Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Pentoxifylline improves blood flow in circulation problems of the legs. It belongs to the Peripheral vascular medicine group. These improve blood flow in the legs in peripheral artery disease and related conditions.
Leg pain on walking from poor circulation (claudication)
Improving walking distance
Some circulation-related conditions
Common brand names
India: Trental, Flexital, Ptx
Worldwide: Trental, Pentoxil
Common side effects
Headache
Palpitations (cilostazol)
Tummy upset
Before taking it — precautions
Cilostazol is avoided in heart failure
Combine with stopping smoking and exercise
Report palpitations
When to see a doctor urgently
Chest pain or palpitations
Breathlessness or swelling (heart failure)
Signs of bleeding
Not a prescription — no dose shown. The right dose of pentoxifylline depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
What helps leg pain from poor circulation?
Stopping smoking, supervised walking exercise, and managing cholesterol/BP are key; medicines like cilostazol can improve walking distance for some.
Is cilostazol safe for everyone?
No — it must be avoided in heart failure and used cautiously with certain heart conditions, so a doctor assesses suitability.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.