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Pentoxifylline

Pentoxifylline is an approved active ingredient.

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Chemical compound

Informational only — not medical advice. Ask a doctor or pharmacist; never change a dose on your own.

What it is used for

TRENTAL is indicated for the treatment of patients with intermittent claudication on the basis of chronic occlusive arterial disease of the limbs.

US label

How it works

Common side effects

Clinical trials were conducted using either extended-release TRENTAL tablets for up to 60 weeks or immediate-release TRENTAL capsules for up to 24 weeks. Dosage ranges in the tablet studies were 400 mg bid to tid and in the capsule studies, 200-400 mg tid.

US label

Who should not take it

TRENTAL should not be used in patients with recent cerebral and/or retinal hemorrhage or in patients who have previously exhibited intolerance to this product or methylxanthines such as caffeine, theophylline, and theobromine.

US label

Pregnancy and breastfeeding

Category C. Teratogenicity studies have been performed in rats and rabbits using oral doses up to 576 and 264 mg/kg, respectively.

Pentoxifylline and its metabolites are excreted in human milk.

Excerpts from the US prescribing label (public domain), copied without changes.

Interactions

Recorded interactions from open sources (Wikidata, US labels). The list is not complete — ask a pharmacist.

Brand names

United States

Trental

Canada

Apo-Pentoxifylline · Jamp Pentoxifylline

Other trade names

Neotren mr · Pentoxil · Trental 100 · Trental 400

Approval status

US Food and Drug Administration
prescription · since 1984
Health Canada
prescription · marketed
First approval anywhere
1984

Codes

ATC
C04AD03
RxNorm CUI
8013
ChEMBL
CHEMBL628
PubChem CID
4740
UNII
SD6QCT3TSU
Wikidata
Q416331

Frequently asked questions

What is Pentoxifylline used for?

Pentoxifylline is used for: Intermittent claudication, Silent stroke, Vasculitis, Diabetic angiopathy, Brain ischemia, Diabetic polyneuropathy, Cerebrovascular disease, and Cerebral malaria.

What are the brand names of Pentoxifylline?

Brand names of Pentoxifylline include Trental, Apo-Pentoxifylline, Jamp Pentoxifylline, Neotren mr, Pentoxil, Trental 100, and Trental 400.

Sources and licences

Updated November 15, 2026