Dioctyl

In Stock
Dosage
100mg
+
Package Type
30 Capsules
£4.99
100 Capsules
£14.99
+
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  4. Our team of expert prescribers will assess whether medication is suitable.
  5. If you get the green light and it is deemed suitable, your order will be processed quickly and efficiently.
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Delivery and Packing
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We deliver medications between Monday and Saturday. You can upgrade to Saturday delivery on Friday.

My Order Hasn’t Arrived What Should I Do?

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You can pay for your order using credit, debit card and bank transfer.

Card Payment: Please notify us that you wish to cancel your order. Your refund will show available In 1 - 3 days.

Bank Transfer: A member of our team will contact you requesting for your bank details. These details are only used to transfer the funds back into your account.

Treatment Information

Table of contents:

What is Dioctyl Used For?

Dioctyl contains docusate sodium, which belongs to a group of medicines called surfactant laxatives. It is used to prevent and treat chronic constipation by softening the stool and making it easier to pass. Your doctor may also give it to empty the bowel before an abdominal X-ray.

Laxatives are not a long-term solution for constipation and should only be used for the short term. If you feel you need to use laxatives regularly to relieve constipation, arrange an appointment to speak to your GP.

How Does Dioctyl Work?

The active ingredient in Dioctyl capsules (docusate sodium) reduces the surface tension of hard stools that accumulate in the intestine by allowing water and fats to penetrate them, making the stools softer and easier to pass. Using Dioctyl 100mg can be particularly helpful for people with haemorrhoids (piles) or an anal fissure (a tear in the lining of the anus).

How Long Does Dioctyl Take to Work?

Typically, Dioctyl capsules take 1 to 3 days to work to relieve constipation. They do not provide instant relief and work gradually to increase moisture in your stools, making them easier to pass.

How to Take Dioctyl 100mg Capsules

Always ensure that you take Dioctyl capsules exactly as advised. Check with your clinician or doctor if you're unsure. The maximum dose is 5 capsules, though you may need less to relieve your symptoms.

Take your capsules one at a time at regular intervals throughout the day. Your clinician will advise you exactly when to do this. Swallow the medication whole with a drink of water, and reduce your dose as your condition improves.

If You Forget to Take Dioctyl

If you forget to take Dioctyl when you should, simply take your next capsule as normal. Do not take a double dose to make up for one you have forgotten.

If You Take Too Many Dioctyl Capsules

If you take more Dioctyl than you should, drink lots of water and go immediately to your nearest accident and emergency department or your doctor. Take the Patient Information Leaflet and any remaining capsules with you.

Dioctyl Side Effects and Cautions

Dioctyl capsules may cause side effects, though not everyone will experience them. If you experience the following adverse reactions, stop using the medication and tell your clinician as soon as possible:

These symptoms are rare and may affect up to 1 in 1,000 people. Skin rash and itching have also been recorded, though their frequency cannot be estimated from available data.

Dioctyl Warnings and Interactions

Dioctyl capsules may not be suitable for everyone, so it's important to review the medication thoroughly before starting treatment and seek medical advice if you're unsure whether you should take them.

Do not take Dioctyl 100mg if you:

  • Are allergic to docusate sodium or any of the other ingredients in the medication
  • Are suffering from stomach pains
  • Are feeling sick or have been sick in the last 24 hours
  • Have a blocked bowel
  • Have been told you are unable to take fructose

Tell your clinician if you are taking any other medicine, including over-the-counter treatments, mineral oil, or herbal remedies. You should also seek medical advice before starting Dioctyl if you:

  • Need to take a laxative every day
  • Have regular or constant stomach pain

This is because other health conditions should be excluded before taking the medication. Treating constipation with Dioctyl should only be done in addition to a healthy lifestyle and diet.

Pregnancy and Breastfeeding

If you are pregnant or breastfeeding, think you may be pregnant, or are planning to have a baby, speak to your clinician or doctor before starting treatment. This is because it has not been proven how safe it is to take Dioctyl during pregnancy.

Docusate sodium is excreted in breast milk, so breastfeeding mothers should use it with caution.

Frequently Asked Questions About Dioctyl 100mg

Is Dioctyl a Laxative?

Yes, Dioctyl is a surfactant laxative containing 100 mg of docusate sodium per capsule. It treats constipation by softening stools and helping them move through your bowel, making them easier to pass. The capsules usually take one to three days to work, so relief is not immediate.

Is Dioctyl a Stool Softener?

Yes, Dioctyl is a stool softener. Its active ingredient, docusate sodium, allows more water and fat into stools, making them softer and easier to pass. Dioctyl can also be taken to prevent the buildup of hard, dry stools, leading to constipation.

Is Dioctyl the Same as Dulcolax?

No, Dioctyl is different from Dulcolax tablets. Dioctyl contains docusate sodium, which softens stools and helps bowel movements. Dulcolax tablets contain bisacodyl, a stimulant laxative that usually works within six to twelve hours. Dioctyl contains the same active ingredient as DulcoEase capsules, which are a different product from Dulcolax tablets.

How Long Can You Take Dioctyl For?

You can take Dioctyl for up to five consecutive days. If your condition does not improve after five days, consult your doctor or a pharmacist for further advice.

Can You Drink Alcohol While Taking Dioctyl?

Yes, you can drink alcohol while taking Dioctyl. The Patient Information Leaflet does not advise that you must avoid alcohol when using docusate sodium. However, drink plenty of water to help keep stools soft. Alongside treatment, increasing dietary fibre gradually and staying active may help improve constipation.

Can You Buy Dioctyl Over the Counter?

Yes, you can buy Dioctyl over the counter from a pharmacy without a prescription. A pharmacist can advise whether it suits your symptoms and if it is safe for you to take based on your medical history and any other medicines you are taking. Dioctyl capsules are for adults and adolescents aged 12 and over; they are not suitable for children under 12.

Can You Buy Dioctyl Online?

Yes, you can buy Dioctyl online from a trusted and registered UK online pharmacy service like Prescription Doctor. To get it, you'll need to complete a short online medical questionnaire for our clinician to review to ensure it is safe for you.

If your order is approved, our General Pharmaceutical Council-registered pharmacy will dispatch your medication to your chosen address in plain, discreet packaging to maintain your confidentiality. Orders approved before 3pm Monday to Friday are also available for next-day delivery.

How Do You Store Dioctyl Capsules?

Store Dioctyl capsules below 25°C in their original packaging to protect them from moisture. Keep them out of the sight and reach of children, and do not use them after the expiry date on the label. Ask your pharmacist how to dispose of any capsules you no longer need.

Treatment information

  • Product Name: Dioctyl
  • Manufacturer: Teofarma
  • Active Ingredient(s): Docusate sodium
  • Administration: Oral
  • Presentation: Capsule
  • Available Strength: 100mg
  • Exemption: Pharmacy
  • Dosage: Take 1 capsule at regular intervals throughout the day. Do not take more than 5 capsules a day.
  • Description: Dioctyl is a laxative which is used to treat constipation.
  • Drug Class: Laxative
  • Alcohol Consumption: Avoid excessive alcohol consumption while treating constipation to prevent exacerbated symptoms.
  • When Pregnant: Speak to our clinicians before taking Dioctyl if you are pregnant or think you might be pregnant
  • When Breastfeeding: Speak to our clinicians before taking Dioctyl if you are breastfeeding.
  • Price: 4.99 GBPhttps://www.prescriptiondoctor.com/storage/product_images_th/Dioctyl_100mg_30_tablets.jpg
Click here to view the Dioctyl - Patient Information Leaflet

Authored By

Leanne

Leanne Edermaniger

Medical Content Writer
Leanne is a science and health content writer focusing on human health and biology while utilising her solid academic background.

Published on: 02/12/2020 Re-Published on: 02/10/2026

Reviewed By

Mohamed Imran Lakhi

Mohamed Imran Lakhi

MPharm - Lead Pharmacist
Imran Lakhi is the superintendent pharmacist and founder at Prescription Doctor. He has been at the core of our team.

Reviewed on: 02/10/2026

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