Pentoxifylline is a prescription medication used to improve blood flow and reduce symptoms of chronic venous insufficiency (CVI). CVI is a condition in which the veins in the leg are unable to carry enough blood back to the heart. Symptoms of CVI include pain, swelling, cramps, and heaviness in the leg. Pentoxifylline works by thinning the blood and improving circulation, which helps reduce the symptoms of CVI. It is typically taken in the form of an oral tablet, but is also available in an intravenous form.
Pentoxifylline is a medication used to improve blood flow, particularly in the legs and arms. Here's a breakdown of its key uses and effects:
Main Use:
- Improves symptoms of intermittent claudication. This is a condition where leg cramping and pain occur due to narrowed arteries limiting blood flow during exercise. Pentoxifylline can help increase walking distance and reduce pain by improving blood flow.
How it Works:
- The exact mechanism isn't fully understood, but it's thought to work in a few ways:
- Improves blood flow by making red blood cells more flexible and less likely to clump together.
- Relaxes blood vessels, allowing for better circulation.
- May improve oxygen delivery to tissues.
Important to Note:
- Pentoxifylline is not a cure for intermittent claudication but can help manage symptoms.
- It may not be as effective as other options like exercise programs or medications like cilostazol.
- It can cause side effects like dizziness, headache, and stomach upset.
Off-Label Uses:
- In some cases, pentoxifylline may be used off-label for other conditions where blood flow is impaired, such as venous ulcers or severe alcoholic hepatitis. However, there's less research on its effectiveness for these uses.
Anatomical Therapeutic Chemical Classification
C - Cardiovascular system
C04 Peripheral vasodilators
C04A - Peripheral vasodilators
C04AD Purine derivatives
ATC Code
External Links
Pentoxifylline