Blood Home > Trental Warnings and Precautions
Who Should Not Take Trental?You should not take Trental if you:
- Are allergic to Trental, pentoxifylline, or any of the inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients.
- Have recently had bleeding in the brain or in the retina (of the eye).
- Have taken pentoxifylline or methylxanthines (caffeine, theophylline, theobromine) in the past and were not able to tolerate them.