What are the possible side effects of KneeRelief (Apap/Caffeine/Magnesium Salicylate)?
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 any of these serious side effects: black, bloody, or tarry stools coughing up blood or vomit that looks like coffee grounds nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes) easy bruising or bleeding agitation, confusion, or hallucinations; or seizure (convulsions) Keep taking the medication and talk with your doctor if you have any of these less serious side effects: mild nausea, vomiting, indigestion, or upset stomach ringing in your ears; or trouble sleeping (insomnia) 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.
