What are the possible side effects of Q Flex (Acetaminophen 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. Stop using this medication and call your doctor at once if you have a serious side effect such as: fast, pounding, or uneven heartbeat nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms Less serious side effects may include: dry eyes, nose, and mouth drowsiness or dizziness blurred vision urinating less than usual; or feeling restless or excited (especially in children) This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.