Trental
Overview
- About Trental
Why should Trental not be prescribed?
Return to topDo not take Trental if you have recently had a stroke or bleeding in the retina of your eye.
If you are sensitive to or have ever had an allergic reaction to Trental, caffeine, theophylline (medication for asthma or other breathing disorders), or theobromine, do not take this medication. Make sure that your doctor is aware of any drug reactions that you have experienced.
Special warnings about Trental
Return to topIf you are taking a blood thinner, or have recently had surgery, peptic ulcers, or other disorders that involve bleeding, the doctor should test your blood periodically.
Most people tolerate Trental well, but there have been occasional cases of crushing chest pain, low blood pressure, and irregular heartbeat in people with heart disease and brain disorders.
Possible food and drug interactions when taking Trental
Return to topIf Trental is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Trental with the following:
- Blood pressure medications such as Vasotec and Cardizem SR
- Blood-thinning drugs such as Coumadin
- Clot inhibitors such as Persantine
- Theophylline (Theo-Dur)
- Ulcer medicines such as Tagamet
Special information if you are pregnant or breastfeeding
Return to topThe effects of Trental during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. Trental appears in breast milk and could affect a nursing infant. If this medication is essential to your health, your doctor may advise you to discontinue breastfeeding until your treatment with this medication is finished.
Recommended dosage for Trental
Return to topADULTS
The usual dosage of Trental in controlled-release tablets is one 400-milligram tablet 3 times a day with meals.
While the effect of Trental may be seen within 2 to 4 weeks, it is recommended that treatment be continued for at least 8 weeks.






