What other drugs affect Flextra (Apap/Caffeine/Phenyltoloxamine)?
Before taking this medication, tell your doctor if you are using any of the following drugs: a blood thinner such as warfarin (Coumadin) phenobarbital; or aspirin If you are using any of these drugs, you may not be able to take acetaminophen, caffeine, and phenyltoloxamine, or you may need dosage adjustments or special tests during treatment. There may be other drugs not listed that can affect this medication. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.