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Pentasa

Pentasa

Mesalazine

Mesalazine as a 400mg prolonged-release tablet, used in the management of ulcerative colitis and Crohn's disease. The release is spread along the gut.

Active ingredient
Mesalazine
Route
Oral use
Form
Prolonged-release tablet
Strengths
400mg

You will receive a quality generic equivalent, depending on stock.

No prescription needed: we place your order for Pentasa on your behalf.

Alternative names
Salofalk
Therapeutic class
5-Aminosalicylic Acid Derivative
Pharmacological class
Aminosalicylate
Precautions and warnings
monitor renal function; may cause blood dyscrasias
Minor side effects
headache; abdominal pain; diarrhoea; nausea
Moderate side effects
rash; fever; alopecia
Dosage forms
Prolonged-release tablet
Administration route
Oral use
Originator
Ferring Pharmaceuticals
Onset time
1–2 weeks
Duration
24 hours
Storage instructions
Store below 25°C.
Drug interactions
azathioprine; mercaptopurine
Pregnancy and breastfeeding
Pregnancy: Use with caution. Breastfeeding: Use with caution; monitor infant.
Contraindications

hypersensitivity to salicylates; severe renal impairment; severe hepatic impairment

Serious side effects

nephrotoxicity, requires immediate medical attention; blood dyscrasias, requires immediate medical attention

Patient summary

Mesalazine as a 400mg prolonged-release tablet, used in the management of ulcerative colitis and Crohn's disease. The release is spread along the gut.

Mechanism of action

Mesalamine is an aminosalicylate that acts locally in the gastrointestinal tract, inhibiting the production of prostaglandins and leukotrienes, which reduces mucosal inflammation in conditions like ulcerative colitis.

Pentasa contains mesalazine, an active ingredient used to manage conditions such as ulcerative colitis and Crohn’s disease. The same medication is also sold under the brand name Salofalk, which is supplied as a 400mg tablet. This treatment is designed to assist with the management of chronic inflammation in the digestive tract.

Buying Pentasa online

For expats or residents living far from established supply chains, ordering this medication online is a reliable way to maintain consistent therapy across the region. Generic mesalazine often serves as a more affordable alternative to the original branded product for those managing long-term gut health.

Is Pentasa the original brand?

Yes, Pentasa is the originator brand name, made by Ferring Pharmaceuticals. Yasabai uses it to identify the medicine; what you receive is a generic with the same active ingredient (mesalazine) at the same dose, mostly a recognised Indian branded generic. The exact brand depends on stock.

How much does Pentasa cost?

The price varies with strength and pack size. Pentasa comes in a 400mg strength, in packs of 30 to 180 tablets, and the price per tablet for every option is shown above, in US dollars or the currency you choose. Larger packs cost less per tablet. Paying with Bitcoin or Ethereum gives you an extra 10% off.

Is Pentasa sold under other names?

Other brands of mesalazine include Salofalk. On Yasabai the same ingredient comes as Asacol.

What is Pentasa used for?

Pentasa contains mesalazine, used for ulcerative colitis and Crohn's disease. Mesalamine is an aminosalicylate that acts locally in the gastrointestinal tract, inhibiting the production of prostaglandins and leukotrienes, which reduces mucosal inflammation in conditions like ulcerative colitis.

When does Pentasa start working?

Mesalazine usually starts to work within 1 to 2 weeks. The exact timing differs between people.

Does Pentasa have side effects?

Yes. The common side effects of mesalazine are headache, abdominal pain, diarrhoea and nausea. Less common ones include rash, fever and alopecia. Serious but less common side effects include nephrotoxicity and blood dyscrasias, which need urgent medical attention.

Can I take Pentasa with other medicines?

Mesalazine can interact with azathioprine and mercaptopurine. Tell your doctor or pharmacist about every medicine you take before you start Pentasa.

Is Pentasa available over the counter in Thailand?

Yes. In Thailand mesalazine is sold by pharmacists without a prescription, and Yasabai does not ask for one either. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.

Ordering without a prescription →

Do you deliver Pentasa to Thailand?

Yes. Our pharmacy partners ship from India to Thailand and across Asia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.

How ordering works →

What you will receive

Pentasa is the originator brand name, made by Ferring Pharmaceuticals. We use it here to identify the medicine only; we are not affiliated with Ferring Pharmaceuticals and do not ship the original Pentasa.

  • You receive a generic equivalent: the same active ingredient (Mesalazine) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
  • The exact brand supplied depends on what is in stock at the dispatching warehouse.
  • A regulated generic matches the original ingredient for ingredient by legal standard.

Are all generics really the same? Read the honest answer.