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What Are Docusate Sodium Capsules Used For?
Constipation is something most people experience at some point — and it can be genuinely uncomfortable. Dioctyl Capsules are an over-the-counter stool softener containing docusate sodium 100mg, designed to relieve constipation by making stools easier to pass. They are available without a prescription and are suitable for adults and children aged 12 and over. If you are looking for a gentle, non-stimulant option to manage occasional constipation, you can browse our full range in the constipation collection at Cured Pharmacy.
Constipation is defined as passing fewer than three stools per week, or passing stools that are hard, dry, and difficult to expel. The NHS notes that constipation is very common and affects people of all ages. Dioctyl Capsules offer a straightforward, well-tolerated approach to managing this condition at home.
How Do Dioctyl Capsules Work?
Docusate sodium is classified as a faecal softener or emollient laxative. Rather than stimulating the bowel muscles to contract, it works by reducing the surface tension of the stool, allowing water and fats to penetrate the faecal mass. The result is a softer, bulkier stool that is easier to pass without straining.
- Docusate sodium lowers surface tension within the intestinal contents
- Water and lipids are drawn into the stool, increasing its moisture content
- The softened stool moves more easily through the colon
- Bowel movement typically occurs within 1 to 3 days of starting treatment
Because it does not stimulate bowel contractions, docusate sodium capsules are generally considered gentler than stimulant laxatives such as senna or bisacodyl, making them a useful choice for people who need to avoid straining — for example, after surgery or childbirth.
Who Should Use Dioctyl Capsules?
Dioctyl Capsules are suitable for a range of people experiencing constipation. They are particularly useful when straining needs to be minimised, or when a stimulant laxative is not appropriate. That said, they are not suitable for everyone — see the contraindications section below.
- Adults and children aged 12 and over with occasional constipation
- People recovering from surgery or childbirth who need to avoid straining
- Individuals taking constipating medicines such as opioid pain relief
- Those who prefer a non-stimulant laxative approach
If you are also experiencing symptoms such as bloating, cramping, or changes in bowel habit alongside constipation, it may be worth exploring our IBS and cramps range, as these symptoms can sometimes indicate a different underlying condition.
How Do Dioctyl Capsules Compare to Other Laxatives?
| Feature | Dioctyl Capsules (Docusate Sodium) | Senna (Stimulant Laxative) |
|---|---|---|
| Mechanism | Stool softener — draws water into stool | Stimulates bowel muscle contractions |
| Onset of action | 1–3 days | 8–12 hours |
| Suitable for post-operative use | Yes — avoids straining | Not usually recommended |
| Risk of cramping | Low | Moderate — cramping more common |
How Should You Store Dioctyl Capsules?
Store Dioctyl Capsules below 25°C in a dry place, away from direct sunlight. Keep them out of reach and sight of children at all times. Do not use the capsules after the expiry date printed on the pack — check this before use.
This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.
Dioctyl Capsules 30 specifications
| Treatment category | Constipation / Laxatives |
| Mechanism of action | Faecal softener (emollient laxative) |
| Effective | Within 1–3 days |
| Suitable for | Adults and children aged 12 and over |
| Active ingredient | Docusate sodium 100mg |
| Pack size | 30 capsules |
| Strength | 100mg per capsule |
| UK classification | General Sale / Pharmacy (P) |
| Drug class | Emollient laxative |
| Preparation | Capsule |
| Route of administration | Oral |
Specifications of Dioctyl Capsules 30
What Are Dioctyl Capsules and What Are They Used For?
Dioctyl Capsules contain docusate sodium 100mg as the active ingredient. Docusate sodium is an emollient laxative — sometimes called a stool softener — used to treat and prevent constipation. It is particularly helpful when passing hard, dry stools is causing discomfort or when straining needs to be avoided. The NHS describes constipation as a very common condition that can usually be managed with lifestyle changes and over-the-counter medicines.
What Do You Need to Know Before Using Dioctyl Capsules?
Before taking Dioctyl Capsules, it is important to check whether they are appropriate for you. Do not take these capsules if any of the following apply:
- You are allergic to docusate sodium or any other ingredient in the capsules
- You have an intestinal obstruction or suspected bowel blockage
- You have undiagnosed abdominal pain, nausea, or vomiting
- You have a condition causing difficulty swallowing
- You are under 12 years of age (unless directed by a doctor)
Speak to your GP or pharmacist before use if you are pregnant, breastfeeding, or have a chronic bowel condition such as Crohn's disease or ulcerative colitis. Long-term or excessive use of laxatives can lead to electrolyte imbalances and dependence on laxatives for normal bowel function.
Known drug interactions to be aware of:
- Mineral oil laxatives — concurrent use with docusate sodium is not recommended, as docusate may increase absorption of mineral oil
- Some medicines that cause constipation as a side effect (e.g. opioid analgesics) — docusate may be used alongside these under medical guidance
How Should You Use Dioctyl Capsules?
Always read the patient information leaflet supplied with your pack before taking Dioctyl Capsules. Take the capsules orally with a full glass of water. Do not crush or chew the capsules.
- Check the expiry date on the pack before use
- Swallow the capsule whole with a full glass of water
- Take at the same time each day to help establish a routine
- Increase your fluid intake while taking this medicine
- Continue for up to one week unless directed otherwise by your doctor
| Indication | Age Group | Dose | Frequency |
|---|---|---|---|
| Constipation relief | Adults and children 12+ | 1–3 capsules (100–300mg) | Up to three times daily |
| Constipation prevention | Adults | 1 capsule (100mg) | Once or twice daily |
| Under 12 years | Children under 12 | Only under medical supervision | As directed by doctor |
What Are the Possible Side Effects of Dioctyl Capsules?
Like all medicines, Dioctyl Capsules can cause side effects, although not everyone experiences them. If you are concerned about any side effect, stop taking the capsules and speak to your pharmacist or GP. You can also find related digestive health products in our IBS and cramps section if you need additional support.
Common side effects (may affect up to 1 in 10 people):
- Nausea
- Abdominal cramps or discomfort
- Diarrhoea (particularly if the dose is too high)
- Throat irritation (if capsule is not swallowed whole)
Less common side effects (may affect up to 1 in 100 people):
- Skin rash or itching
- Electrolyte disturbances with prolonged use
- Rectal irritation
Stop taking Dioctyl Capsules and seek immediate medical advice if you experience rectal bleeding, severe abdominal pain, or no bowel movement after one week of use. These may indicate a more serious underlying condition.
How Should You Store Dioctyl Capsules?
Correct storage helps maintain the quality and safety of your medicine. Follow these guidelines:
- Store below 25°C in a cool, dry place
- Keep away from direct sunlight and moisture
- Keep out of reach and sight of children
- Do not use after the expiry date printed on the pack
- Do not store in a bathroom cabinet — humidity can affect the capsules
- Dispose of unused medicines via your local pharmacy — do not flush down the toilet or throw in household waste
If you are managing other digestive health concerns alongside constipation, our haemorrhoids and piles range may also be relevant, as straining during constipation is a common contributing factor to piles.
References
- https://www.nhs.uk/conditions/constipation/
- https://www.nhs.uk/conditions/laxatives/
- https://www.nhs.uk/medicines/docusate-sodium/
- https://www.nhs.uk/conditions/constipation/treatment/
- https://bnf.nice.org.uk/drugs/docusate-sodium/
Written and reviewed by our qualified team
Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.
Frequently Asked Questions
Where can I buy Dioctyl Capsules online in the UK?
You can buy Dioctyl Capsules 30 online from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £5.99. No prescription is required, as docusate sodium is available over the counter. Simply add to your basket and choose your preferred delivery option at checkout.
How do Dioctyl Capsules work in the body?
Dioctyl Capsules contain docusate sodium, which works by reducing the surface tension of the stool, allowing water and fats to penetrate the faecal mass and soften it. This makes the stool easier to pass without straining. Unlike stimulant laxatives, docusate sodium does not cause the bowel muscles to contract, so it tends to be gentler on the digestive system.
How long do Dioctyl Capsules take to work?
Dioctyl Capsules typically take between 1 and 3 days to produce a bowel movement. They are not designed for immediate relief — if you need faster results, a stimulant laxative may be more appropriate. Speak to your pharmacist if you are unsure which type of laxative suits your situation best.
How do I take Dioctyl Capsules step by step?
Taking Dioctyl Capsules correctly is straightforward. Follow these steps:
- Check the expiry date on the pack
- Swallow the capsule whole with a full glass of water — do not crush or chew
- Take at the same time each day
- Drink plenty of fluids throughout the day to support the stool-softening effect
What is the correct dose of Dioctyl Capsules for adults?
The usual adult dose is one to three 100mg capsules taken up to three times daily, depending on the severity of constipation. For prevention of constipation — for example, when taking constipating medicines — one capsule once or twice daily is typically sufficient. Always follow the patient information leaflet and do not exceed the maximum stated dose.
Can children take Dioctyl Capsules?
Dioctyl Capsules are not recommended for children under 12 years of age without specific medical advice. For children aged 12 and over, the adult dose applies. If your child is under 12 and experiencing constipation, speak to your GP or pharmacist for age-appropriate treatment options.
Can I take Dioctyl Capsules during pregnancy?
Docusate sodium is sometimes considered during pregnancy, but you should always consult your GP or midwife before taking any medicine while pregnant or breastfeeding. Constipation is common in pregnancy, and your healthcare provider can advise on the safest management approach for you and your baby.
What are the side effects of Dioctyl Capsules and how do I manage them?
The most common side effects include nausea, abdominal cramps, and diarrhoea — these are usually mild and resolve on their own. Reducing your dose often helps if cramping or loose stools occur. If you experience rectal bleeding, severe abdominal pain, or symptoms that do not improve, stop taking the capsules and contact your GP promptly.
Who is eligible to use Dioctyl Capsules?
Dioctyl Capsules are suitable for adults and young people aged 12 and over who are experiencing occasional constipation. They are particularly well-suited to people who need to avoid straining — such as those recovering from surgery, childbirth, or haemorrhoids. They are not suitable for people with intestinal obstruction, undiagnosed abdominal pain, or known allergy to docusate sodium.
What happens if I miss a dose of Dioctyl Capsules?
If you forget to take a dose, simply take it as soon as you remember — unless it is nearly time for your next dose, in which case skip the missed one. Do not take a double dose to make up for a missed one. Maintaining a regular routine and drinking plenty of water will help the medicine work as intended.
How long can you take Dioctyl Capsules for?
Dioctyl Capsules are intended for short-term use only — generally no longer than one week without medical supervision. If constipation persists beyond this period, it is important to see your GP, as prolonged constipation can sometimes indicate an underlying health condition. Long-term laxative use without medical guidance can also affect normal bowel function.
What are alternatives to Dioctyl Capsules for constipation?
There are several types of laxative available over the counter in the UK. Alternatives include bulk-forming laxatives such as ispaghula husk (Fybogel), osmotic laxatives such as lactulose or macrogol, and stimulant laxatives such as senna or bisacodyl. You can explore the full range in our constipation collection. Your pharmacist can help you choose the most appropriate option based on your symptoms.
Can Dioctyl Capsules interact with other medicines?
The main known interaction is with mineral oil laxatives — docusate sodium can increase the absorption of mineral oil, which is not recommended. If you are taking any other medicines, including prescription drugs, always check with your pharmacist before starting Dioctyl Capsules. This is especially important if you are taking opioid pain relief, which commonly causes constipation as a side effect.
Are there any lifestyle changes that can help alongside Dioctyl Capsules?
Yes — the NHS recommends increasing your fibre intake (fruits, vegetables, wholegrain foods), drinking at least 6–8 glasses of fluid per day, and taking regular physical activity to support healthy bowel function. These changes work well alongside stool softeners and may reduce the need for ongoing laxative use. If you are also experiencing digestive discomfort, our indigestion range may offer additional support.
What are the latest findings on docusate sodium for constipation?
Docusate sodium has been used as a stool softener for decades and remains a recognised option in UK clinical guidelines for the management of constipation. Some studies have questioned whether it is as effective as osmotic laxatives for certain patient groups, which is why your pharmacist or GP may recommend a different laxative type depending on your individual circumstances. It continues to be widely used, particularly in post-operative and palliative care settings where avoiding straining is a priority.
Description
What Are Docusate Sodium Capsules Used For?
Constipation is something most people experience at some point — and it can be genuinely uncomfortable. Dioctyl Capsules are an over-the-counter stool softener containing docusate sodium 100mg, designed to relieve constipation by making stools easier to pass. They are available without a prescription and are suitable for adults and children aged 12 and over. If you are looking for a gentle, non-stimulant option to manage occasional constipation, you can browse our full range in the constipation collection at Cured Pharmacy.
Constipation is defined as passing fewer than three stools per week, or passing stools that are hard, dry, and difficult to expel. The NHS notes that constipation is very common and affects people of all ages. Dioctyl Capsules offer a straightforward, well-tolerated approach to managing this condition at home.
How Do Dioctyl Capsules Work?
Docusate sodium is classified as a faecal softener or emollient laxative. Rather than stimulating the bowel muscles to contract, it works by reducing the surface tension of the stool, allowing water and fats to penetrate the faecal mass. The result is a softer, bulkier stool that is easier to pass without straining.
- Docusate sodium lowers surface tension within the intestinal contents
- Water and lipids are drawn into the stool, increasing its moisture content
- The softened stool moves more easily through the colon
- Bowel movement typically occurs within 1 to 3 days of starting treatment
Because it does not stimulate bowel contractions, docusate sodium capsules are generally considered gentler than stimulant laxatives such as senna or bisacodyl, making them a useful choice for people who need to avoid straining — for example, after surgery or childbirth.
Who Should Use Dioctyl Capsules?
Dioctyl Capsules are suitable for a range of people experiencing constipation. They are particularly useful when straining needs to be minimised, or when a stimulant laxative is not appropriate. That said, they are not suitable for everyone — see the contraindications section below.
- Adults and children aged 12 and over with occasional constipation
- People recovering from surgery or childbirth who need to avoid straining
- Individuals taking constipating medicines such as opioid pain relief
- Those who prefer a non-stimulant laxative approach
If you are also experiencing symptoms such as bloating, cramping, or changes in bowel habit alongside constipation, it may be worth exploring our IBS and cramps range, as these symptoms can sometimes indicate a different underlying condition.
How Do Dioctyl Capsules Compare to Other Laxatives?
| Feature | Dioctyl Capsules (Docusate Sodium) | Senna (Stimulant Laxative) |
|---|---|---|
| Mechanism | Stool softener — draws water into stool | Stimulates bowel muscle contractions |
| Onset of action | 1–3 days | 8–12 hours |
| Suitable for post-operative use | Yes — avoids straining | Not usually recommended |
| Risk of cramping | Low | Moderate — cramping more common |
How Should You Store Dioctyl Capsules?
Store Dioctyl Capsules below 25°C in a dry place, away from direct sunlight. Keep them out of reach and sight of children at all times. Do not use the capsules after the expiry date printed on the pack — check this before use.
This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.
Dioctyl Capsules 30 specifications
| Treatment category | Constipation / Laxatives |
| Mechanism of action | Faecal softener (emollient laxative) |
| Effective | Within 1–3 days |
| Suitable for | Adults and children aged 12 and over |
| Active ingredient | Docusate sodium 100mg |
| Pack size | 30 capsules |
| Strength | 100mg per capsule |
| UK classification | General Sale / Pharmacy (P) |
| Drug class | Emollient laxative |
| Preparation | Capsule |
| Route of administration | Oral |
Specifications of Dioctyl Capsules 30
What Are Dioctyl Capsules and What Are They Used For?
Dioctyl Capsules contain docusate sodium 100mg as the active ingredient. Docusate sodium is an emollient laxative — sometimes called a stool softener — used to treat and prevent constipation. It is particularly helpful when passing hard, dry stools is causing discomfort or when straining needs to be avoided. The NHS describes constipation as a very common condition that can usually be managed with lifestyle changes and over-the-counter medicines.
What Do You Need to Know Before Using Dioctyl Capsules?
Before taking Dioctyl Capsules, it is important to check whether they are appropriate for you. Do not take these capsules if any of the following apply:
- You are allergic to docusate sodium or any other ingredient in the capsules
- You have an intestinal obstruction or suspected bowel blockage
- You have undiagnosed abdominal pain, nausea, or vomiting
- You have a condition causing difficulty swallowing
- You are under 12 years of age (unless directed by a doctor)
Speak to your GP or pharmacist before use if you are pregnant, breastfeeding, or have a chronic bowel condition such as Crohn's disease or ulcerative colitis. Long-term or excessive use of laxatives can lead to electrolyte imbalances and dependence on laxatives for normal bowel function.
Known drug interactions to be aware of:
- Mineral oil laxatives — concurrent use with docusate sodium is not recommended, as docusate may increase absorption of mineral oil
- Some medicines that cause constipation as a side effect (e.g. opioid analgesics) — docusate may be used alongside these under medical guidance
How Should You Use Dioctyl Capsules?
Always read the patient information leaflet supplied with your pack before taking Dioctyl Capsules. Take the capsules orally with a full glass of water. Do not crush or chew the capsules.
- Check the expiry date on the pack before use
- Swallow the capsule whole with a full glass of water
- Take at the same time each day to help establish a routine
- Increase your fluid intake while taking this medicine
- Continue for up to one week unless directed otherwise by your doctor
| Indication | Age Group | Dose | Frequency |
|---|---|---|---|
| Constipation relief | Adults and children 12+ | 1–3 capsules (100–300mg) | Up to three times daily |
| Constipation prevention | Adults | 1 capsule (100mg) | Once or twice daily |
| Under 12 years | Children under 12 | Only under medical supervision | As directed by doctor |
What Are the Possible Side Effects of Dioctyl Capsules?
Like all medicines, Dioctyl Capsules can cause side effects, although not everyone experiences them. If you are concerned about any side effect, stop taking the capsules and speak to your pharmacist or GP. You can also find related digestive health products in our IBS and cramps section if you need additional support.
Common side effects (may affect up to 1 in 10 people):
- Nausea
- Abdominal cramps or discomfort
- Diarrhoea (particularly if the dose is too high)
- Throat irritation (if capsule is not swallowed whole)
Less common side effects (may affect up to 1 in 100 people):
- Skin rash or itching
- Electrolyte disturbances with prolonged use
- Rectal irritation
Stop taking Dioctyl Capsules and seek immediate medical advice if you experience rectal bleeding, severe abdominal pain, or no bowel movement after one week of use. These may indicate a more serious underlying condition.
How Should You Store Dioctyl Capsules?
Correct storage helps maintain the quality and safety of your medicine. Follow these guidelines:
- Store below 25°C in a cool, dry place
- Keep away from direct sunlight and moisture
- Keep out of reach and sight of children
- Do not use after the expiry date printed on the pack
- Do not store in a bathroom cabinet — humidity can affect the capsules
- Dispose of unused medicines via your local pharmacy — do not flush down the toilet or throw in household waste
If you are managing other digestive health concerns alongside constipation, our haemorrhoids and piles range may also be relevant, as straining during constipation is a common contributing factor to piles.
References
- https://www.nhs.uk/conditions/constipation/
- https://www.nhs.uk/conditions/laxatives/
- https://www.nhs.uk/medicines/docusate-sodium/
- https://www.nhs.uk/conditions/constipation/treatment/
- https://bnf.nice.org.uk/drugs/docusate-sodium/
Written and reviewed by our qualified team
Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.
Frequently Asked Questions
Where can I buy Dioctyl Capsules online in the UK?
You can buy Dioctyl Capsules 30 online from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £5.99. No prescription is required, as docusate sodium is available over the counter. Simply add to your basket and choose your preferred delivery option at checkout.
How do Dioctyl Capsules work in the body?
Dioctyl Capsules contain docusate sodium, which works by reducing the surface tension of the stool, allowing water and fats to penetrate the faecal mass and soften it. This makes the stool easier to pass without straining. Unlike stimulant laxatives, docusate sodium does not cause the bowel muscles to contract, so it tends to be gentler on the digestive system.
How long do Dioctyl Capsules take to work?
Dioctyl Capsules typically take between 1 and 3 days to produce a bowel movement. They are not designed for immediate relief — if you need faster results, a stimulant laxative may be more appropriate. Speak to your pharmacist if you are unsure which type of laxative suits your situation best.
How do I take Dioctyl Capsules step by step?
Taking Dioctyl Capsules correctly is straightforward. Follow these steps:
- Check the expiry date on the pack
- Swallow the capsule whole with a full glass of water — do not crush or chew
- Take at the same time each day
- Drink plenty of fluids throughout the day to support the stool-softening effect
What is the correct dose of Dioctyl Capsules for adults?
The usual adult dose is one to three 100mg capsules taken up to three times daily, depending on the severity of constipation. For prevention of constipation — for example, when taking constipating medicines — one capsule once or twice daily is typically sufficient. Always follow the patient information leaflet and do not exceed the maximum stated dose.
Can children take Dioctyl Capsules?
Dioctyl Capsules are not recommended for children under 12 years of age without specific medical advice. For children aged 12 and over, the adult dose applies. If your child is under 12 and experiencing constipation, speak to your GP or pharmacist for age-appropriate treatment options.
Can I take Dioctyl Capsules during pregnancy?
Docusate sodium is sometimes considered during pregnancy, but you should always consult your GP or midwife before taking any medicine while pregnant or breastfeeding. Constipation is common in pregnancy, and your healthcare provider can advise on the safest management approach for you and your baby.
What are the side effects of Dioctyl Capsules and how do I manage them?
The most common side effects include nausea, abdominal cramps, and diarrhoea — these are usually mild and resolve on their own. Reducing your dose often helps if cramping or loose stools occur. If you experience rectal bleeding, severe abdominal pain, or symptoms that do not improve, stop taking the capsules and contact your GP promptly.
Who is eligible to use Dioctyl Capsules?
Dioctyl Capsules are suitable for adults and young people aged 12 and over who are experiencing occasional constipation. They are particularly well-suited to people who need to avoid straining — such as those recovering from surgery, childbirth, or haemorrhoids. They are not suitable for people with intestinal obstruction, undiagnosed abdominal pain, or known allergy to docusate sodium.
What happens if I miss a dose of Dioctyl Capsules?
If you forget to take a dose, simply take it as soon as you remember — unless it is nearly time for your next dose, in which case skip the missed one. Do not take a double dose to make up for a missed one. Maintaining a regular routine and drinking plenty of water will help the medicine work as intended.
How long can you take Dioctyl Capsules for?
Dioctyl Capsules are intended for short-term use only — generally no longer than one week without medical supervision. If constipation persists beyond this period, it is important to see your GP, as prolonged constipation can sometimes indicate an underlying health condition. Long-term laxative use without medical guidance can also affect normal bowel function.
What are alternatives to Dioctyl Capsules for constipation?
There are several types of laxative available over the counter in the UK. Alternatives include bulk-forming laxatives such as ispaghula husk (Fybogel), osmotic laxatives such as lactulose or macrogol, and stimulant laxatives such as senna or bisacodyl. You can explore the full range in our constipation collection. Your pharmacist can help you choose the most appropriate option based on your symptoms.
Can Dioctyl Capsules interact with other medicines?
The main known interaction is with mineral oil laxatives — docusate sodium can increase the absorption of mineral oil, which is not recommended. If you are taking any other medicines, including prescription drugs, always check with your pharmacist before starting Dioctyl Capsules. This is especially important if you are taking opioid pain relief, which commonly causes constipation as a side effect.
Are there any lifestyle changes that can help alongside Dioctyl Capsules?
Yes — the NHS recommends increasing your fibre intake (fruits, vegetables, wholegrain foods), drinking at least 6–8 glasses of fluid per day, and taking regular physical activity to support healthy bowel function. These changes work well alongside stool softeners and may reduce the need for ongoing laxative use. If you are also experiencing digestive discomfort, our indigestion range may offer additional support.
What are the latest findings on docusate sodium for constipation?
Docusate sodium has been used as a stool softener for decades and remains a recognised option in UK clinical guidelines for the management of constipation. Some studies have questioned whether it is as effective as osmotic laxatives for certain patient groups, which is why your pharmacist or GP may recommend a different laxative type depending on your individual circumstances. It continues to be widely used, particularly in post-operative and palliative care settings where avoiding straining is a priority.
