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Pentasa/Mesalazine Sachets

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Pentasa/Mesalazine Sachets
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Please note that whilst you are able to request the medicine strength and size required,
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Starts at £60.00
Price Comparison

Select your preferred options and see the best price

Pack Price (£)
Pentasa MR Granules 1000mg (1g) 50 Sachets 1 Pack 60.00
Pentasa MR Granules 1000mg (1g) 50 Sachets 2 Packs 108.00
Pentasa MR Granules 1000mg (1g) 50 Sachets 3 Packs 156.00
Pentasa MR Granules 2000mg (2g) 60 Sachets 1 Pack 120.00
Pentasa MR Granules 2000mg (2g) 60 Sachets 2 Packs 222.00
Pentasa MR Granules 2000mg (2g) 60 Sachets 3 Packs 324.00
Pentasa MR Granules 4000mg (4g) 30 Sachets 1 Pack 132.00
Pentasa MR Granules 4000mg (4g) 30 Sachets 2 Packs 234.00
Pentasa MR Granules 4000mg (4g) 30 Sachets 3 Packs 336.00

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Pentasa Sachets | Mesalazine Granules for Ulcerative Colitis & Crohn's Disease

Managing gut inflammation is not just about easing symptoms; it's about restoring balance so your daily life feels normal again. Pentasa sachets offer a flexible and effective way to control inflammation in the bowel, especially for those who prefer an alternative to tablets.

Formulated with mesalazine, these sachets (used where inflammation is involved) deliver targeted gut anti-inflammatory action, supporting long-term digestive health and reliable symptom control.

What Are Pentasa / Mesalazine Sachets Used For?

Pentasa sachets are used to treat ulcerative colitis and may be prescribed in some cases of Crohn's disease, depending on disease location and severity. They are commonly prescribed for:

  • Ulcerative colitis flare-ups.
  • Long-term prevention of inflammation.
  • Ongoing bowel inflammation treatment.
  • Managing symptoms like diarrhoea, abdominal pain, and bleeding.

Although sometimes searched under IBS, Pentasa sachets are used when inflammation is the underlying cause.

How Pentasa / Mesalazine Sachets Work in the Gut

Pentasa sachets work by reducing inflammation directly in the lining of the bowel. The active ingredient mesalazine acts on the cells of the intestine to reduce inflammatory activity. This results in:

  • Reduced swelling and irritation.
  • Healing of the bowel lining.
  • Improved bowel function.
  • Better long-term colon care.

The granules in the sachet release medicine gradually throughout the gut, providing consistent gut inflammation relief.

How to Take Pentasa / Mesalazine Sachets

Pentasa sachets should be taken exactly as prescribed to control inflammation effectively and maintain long-term bowel stability.

General guidance:

  • Open the sachet and pour the granules onto your tongue.
  • Swallow with water or juice without chewing.
  • Alternatively, mix with yoghurt and take immediately.
  • Do not crush or chew the granules, as this affects how the medicine is released.

Typical dosage for ulcerative colitis: Active flare-ups: Up to 4g daily, taken either as a single dose or divided doses. Maintenance phase: Usually up to 2g daily to prevent symptoms returning.

Typical dosage for Crohn's disease: Active disease: Up to 4g daily in divided doses. Maintenance: Up to 4g daily depending on symptom control and response.

How often to take: Taken once daily or split into 2–3 doses depending on your prescription. Take at the same time each day to maintain steady levels in your body.

If you miss a dose: Take it when you remember. Skip it if your next dose is due soon. Do not take two doses together.

Important tips: Stay well hydrated, especially during diarrhoea or illness. Continue taking regularly, even if symptoms improve. Do not stop suddenly without guidance, as symptoms may return.

Following the correct dose and schedule ensures Pentasa sachets deliver consistent anti-inflammatory action across the bowel for effective long-term control.

Who Can Use Pentasa / Mesalazine Sachets?

Pentasa sachets are suitable for adults and some children with inflammatory bowel conditions, depending on individual assessment. They may be appropriate for:

  • Adults with ulcerative colitis or Crohn's disease.
  • Patients who prefer sachets over tablets.
  • Individuals needing long-term colon care.

This prescription bowel medication is used under professional supervision to ensure safe treatment.

Who Should Not Take Pentasa / Mesalazine Sachets?

Pentasa sachets may not be suitable for people with certain conditions. Avoid or take extra care if you:

  • Are allergic to mesalazine or aspirin-like medicines.
  • Have severe kidney or liver problems.
  • Have a history of asthma or bleeding disorders.

A consultation ensures safe and appropriate bowel therapy.

Possible Side Effects of Pentasa / Mesalazine Sachets

Like all medicines, Pentasa sachets can cause side effects, although many people tolerate them well.

Common side effects:

  • Headache.
  • Diarrhoea.
  • Stomach pain.
  • Nausea or vomiting.
  • Mild skin rash.

Serious side effects:

  • Severe abdominal pain or worsening symptoms.
  • Allergic reactions such as swelling or breathing difficulty.
  • Unusual bruising or bleeding.
  • Changes in kidney or liver function.

Seek urgent medical attention if any serious symptoms occur.

Possible Interactions with Pentasa / Mesalazine Sachets

Pentasa sachets can interact with medicines that affect blood clotting, immunity, or blood sugar levels. Inform your prescriber if you take:

  • Blood-thinning medicines.
  • Diabetes medications.
  • Immunosuppressants.
  • Steroid treatments.

This ensures safe and effective digestive health management.

Important Advice Before Taking Pentasa / Mesalazine Sachets

Regular monitoring is recommended during treatment with Pentasa sachets. You may need:

  • Blood tests to monitor overall health.
  • Kidney and liver function checks.

Additional advice:

  • Drink plenty of fluids daily.
  • Do not stop treatment suddenly without guidance.

Why Do People Choose Pentasa / Mesalazine Sachets?

Pentasa sachets are chosen for their flexibility and ease of use compared to traditional tablets. People often prefer them because:

  • They are easier to take if swallowing tablets is difficult.
  • They can be mixed with food or taken with liquids.
  • They provide consistent gut therapy across the bowel.
  • They support structured digestive health plans.

For many, sachets offer a more convenient way to stay consistent with treatment.

Mesalazine & Bowel Inflammation Treatments

These medicines are used to reduce inflammation in the bowel and are commonly prescribed for inflammatory bowel conditions such as ulcerative colitis. The table below compares commonly prescribed bowel inflammation treatments and how they are typically used.

ProductWhat it isWhat it's mainly used forHow you usually use itWhat to expect
Asacol / Mesalazine TabletsMesalazine anti-inflammatory tabletsUlcerative colitis and bowel inflammationTaken regularly as prescribedHelps reduce inflammation inside the bowel.
Mezavant / Mesalazine TabletsLong-acting mesalazine tabletsUlcerative colitisTaken once dailyDesigned for slow release throughout the bowel.
Octasa / Mesalazine TabletsMesalazine tabletsInflammatory bowel conditionsTaken regularlyHelps maintain symptom control and reduce flare-ups.
Pentasa / Mesalazine TabletsMesalazine tabletsBowel inflammationTaken regularlySlow-release treatment for ongoing inflammation control.
Pentasa / Mesalazine SachetsMesalazine granule sachetsUlcerative colitis and bowel inflammationTaken as prescribedSachet form may be easier for some people than tablets.
Salofalk / Mesalazine TabletsMesalazine tabletsInflammatory bowel diseaseTaken regularlyHelps manage bowel inflammation over time.
Salofalk / Mesalazine SachetsMesalazine granule sachetsBowel inflammationTaken as prescribedGranule form designed for bowel delivery.
Colazide / Balsalazide CapsulesAnti-inflammatory bowel capsulesUlcerative colitisTaken regularlyTargets inflammation in the large bowel.
OlsalazineAnti-inflammatory bowel medicineUlcerative colitisTaken regularlyHelps reduce bowel inflammation and maintain remission.
Sulfasalazine / Salazopyrin TabletsAnti-inflammatory bowel tabletsUlcerative colitis and inflammatory bowel conditionsTaken regularlyHelps control bowel inflammation and symptoms.

Important: This comparison is for general information only and does not replace medical advice. A prescriber will decide which treatment is suitable for you following an online consultation.

How to Order Pentasa / Mesalazine Sachets Online from Pharmacy Planet

Ordering Pentasa sachets is simple and secure.

  1. Complete an Online Consultation — Provide details about your symptoms and health.
  2. Prescription Review — A UK-registered prescriber confirms if Pentasa sachets are suitable.
  3. Discreet Delivery — If approved, your treatment is delivered directly to your chosen address.
Pentasa/Mesalazine Sachets

Managing gut inflammation is not just about easing symptoms; it's about restoring balance so your daily life feels normal again. Pentasa sachets offer a flexible and effective way to control inflammation in the bowel, especially for those who prefer an alternative to tablets.

Formulated with mesalazine, these sachets (used where inflammation is involved) deliver targeted gut anti-inflammatory action, supporting long-term digestive health and reliable symptom control.

Pentasa sachets are used to treat ulcerative colitis and may be prescribed in some cases of Crohn's disease, depending on disease location and severity. They are commonly prescribed for:

  • Ulcerative colitis flare-ups.
  • Long-term prevention of inflammation.
  • Ongoing bowel inflammation treatment.
  • Managing symptoms like diarrhoea, abdominal pain, and bleeding.

Although sometimes searched under IBS, Pentasa sachets are used when inflammation is the underlying cause.

Pentasa sachets work by reducing inflammation directly in the lining of the bowel. The active ingredient mesalazine acts on the cells of the intestine to reduce inflammatory activity. This results in:

  • Reduced swelling and irritation.
  • Healing of the bowel lining.
  • Improved bowel function.
  • Better long-term colon care.

The granules in the sachet release medicine gradually throughout the gut, providing consistent gut inflammation relief.

Pentasa sachets should be taken exactly as prescribed to control inflammation effectively and maintain long-term bowel stability.

General guidance:

  • Open the sachet and pour the granules onto your tongue.
  • Swallow with water or juice without chewing.
  • Alternatively, mix with yoghurt and take immediately.
  • Do not crush or chew the granules, as this affects how the medicine is released.

Typical dosage for ulcerative colitis: Active flare-ups: Up to 4g daily, taken either as a single dose or divided doses. Maintenance phase: Usually up to 2g daily to prevent symptoms returning.

Typical dosage for Crohn's disease: Active disease: Up to 4g daily in divided doses. Maintenance: Up to 4g daily depending on symptom control and response.

How often to take: Taken once daily or split into 2–3 doses depending on your prescription. Take at the same time each day to maintain steady levels in your body.

If you miss a dose: Take it when you remember. Skip it if your next dose is due soon. Do not take two doses together.

Important tips: Stay well hydrated, especially during diarrhoea or illness. Continue taking regularly, even if symptoms improve. Do not stop suddenly without guidance, as symptoms may return.

Following the correct dose and schedule ensures Pentasa sachets deliver consistent anti-inflammatory action across the bowel for effective long-term control.

Pentasa sachets are suitable for adults and some children with inflammatory bowel conditions, depending on individual assessment. They may be appropriate for:

  • Adults with ulcerative colitis or Crohn's disease.
  • Patients who prefer sachets over tablets.
  • Individuals needing long-term colon care.

This prescription bowel medication is used under professional supervision to ensure safe treatment.

Pentasa sachets may not be suitable for people with certain conditions. Avoid or take extra care if you:

  • Are allergic to mesalazine or aspirin-like medicines.
  • Have severe kidney or liver problems.
  • Have a history of asthma or bleeding disorders.

A consultation ensures safe and appropriate bowel therapy.

Like all medicines, Pentasa sachets can cause side effects, although many people tolerate them well.

Common side effects:

  • Headache.
  • Diarrhoea.
  • Stomach pain.
  • Nausea or vomiting.
  • Mild skin rash.

Serious side effects:

  • Severe abdominal pain or worsening symptoms.
  • Allergic reactions such as swelling or breathing difficulty.
  • Unusual bruising or bleeding.
  • Changes in kidney or liver function.

Seek urgent medical attention if any serious symptoms occur.

Pentasa sachets can interact with medicines that affect blood clotting, immunity, or blood sugar levels. Inform your prescriber if you take:

  • Blood-thinning medicines.
  • Diabetes medications.
  • Immunosuppressants.
  • Steroid treatments.

This ensures safe and effective digestive health management.

Regular monitoring is recommended during treatment with Pentasa sachets. You may need:

  • Blood tests to monitor overall health.
  • Kidney and liver function checks.

Additional advice:

  • Drink plenty of fluids daily.
  • Do not stop treatment suddenly without guidance.

Pentasa sachets are chosen for their flexibility and ease of use compared to traditional tablets. People often prefer them because:

  • They are easier to take if swallowing tablets is difficult.
  • They can be mixed with food or taken with liquids.
  • They provide consistent gut therapy across the bowel.
  • They support structured digestive health plans.

For many, sachets offer a more convenient way to stay consistent with treatment.

Mesalazine & Bowel Inflammation Treatments

These medicines are used to reduce inflammation in the bowel and are commonly prescribed for inflammatory bowel conditions such as ulcerative colitis. The table below compares commonly prescribed bowel inflammation treatments and how they are typically used.

ProductWhat it isWhat it's mainly used forHow you usually use itWhat to expect
Asacol / Mesalazine TabletsMesalazine anti-inflammatory tabletsUlcerative colitis and bowel inflammationTaken regularly as prescribedHelps reduce inflammation inside the bowel.
Mezavant / Mesalazine TabletsLong-acting mesalazine tabletsUlcerative colitisTaken once dailyDesigned for slow release throughout the bowel.
Octasa / Mesalazine TabletsMesalazine tabletsInflammatory bowel conditionsTaken regularlyHelps maintain symptom control and reduce flare-ups.
Pentasa / Mesalazine TabletsMesalazine tabletsBowel inflammationTaken regularlySlow-release treatment for ongoing inflammation control.
Pentasa / Mesalazine SachetsMesalazine granule sachetsUlcerative colitis and bowel inflammationTaken as prescribedSachet form may be easier for some people than tablets.
Salofalk / Mesalazine TabletsMesalazine tabletsInflammatory bowel diseaseTaken regularlyHelps manage bowel inflammation over time.
Salofalk / Mesalazine SachetsMesalazine granule sachetsBowel inflammationTaken as prescribedGranule form designed for bowel delivery.
Colazide / Balsalazide CapsulesAnti-inflammatory bowel capsulesUlcerative colitisTaken regularlyTargets inflammation in the large bowel.
OlsalazineAnti-inflammatory bowel medicineUlcerative colitisTaken regularlyHelps reduce bowel inflammation and maintain remission.
Sulfasalazine / Salazopyrin TabletsAnti-inflammatory bowel tabletsUlcerative colitis and inflammatory bowel conditionsTaken regularlyHelps control bowel inflammation and symptoms.

Important: This comparison is for general information only and does not replace medical advice. A prescriber will decide which treatment is suitable for you following an online consultation.

Ordering Pentasa sachets is simple and secure.

  1. Complete an Online Consultation — Provide details about your symptoms and health.
  2. Prescription Review — A UK-registered prescriber confirms if Pentasa sachets are suitable.
  3. Discreet Delivery — If approved, your treatment is delivered directly to your chosen address.
Frequently Asked Questions

Yes, by reducing inflammation in the bowel lining, Pentasa sachets can reduce bleeding over time and improve overall bowel stability when taken regularly.

Some improvement may be noticed within a few weeks, but full control of diarrhoea linked to inflammation can take longer with consistent daily use.

Yes, you can place the granules directly on your tongue and swallow with a drink or mix them with yoghurt. Do not chew the granules.

Yes, many people find sachets easier, especially if they struggle to swallow tablets. They offer the same treatment in a more flexible form.

Yes, they are used both to control active inflammation and to maintain stability after symptoms improve.

Yes, taking them at the same time daily keeps the medicine levels steady, which improves control over bowel inflammation.

Yes, they can increase the effect of some diabetes medicines and blood thinners. Always mention all medications during your consultation.

Some people notice mild symptoms like nausea or abdominal discomfort at first, but this usually settles as the body adjusts.

Yes, they are often used long-term to maintain control over inflammation and reduce the risk of flare-ups when taken regularly.

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Review By

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Last Updated On : Mar 13 2026

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GPhC Number: 2061107

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Last Reviewed On : Mar 23 2026

BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead

GPhC Number: 2050925