What are the possible side effects of Flextra (Apap/Caffeine/Phenyltoloxamine)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects: fast or pounding heartbeat easy bruising, unusual bleeding or weakness feeling light-headed, fainting urinating less than usual increased thirst and increased urination muscle weakness, lack of coordination; or jaundice (yellowing of the skin or eyes) Other less serious side effects are more likely to occur, such as: feeling nervous or irritable sleep problems (insomnia) dizziness or drowsiness dry mouth, nose or throat mild itching or skin rash upset stomach, nausea, cramps, or diarrhea trouble concentrating; or blurred vision Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
