Acetaminophen / caffeine / phenyltoloxamine Side Effects
Applies to acetaminophen/caffeine/phenyltoloxamine: oral capsule
Dermatologic side effects have included urticaria and rash. Acetaminophen has been associated with a risk of rare but potentially fatal serious skin reactions know as Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and acute generalized exanthematous pustulosis (AGEP).[Ref]
Musculoskeletal side effects have included muscular weakness.[Ref]
Ocular side effects have included blurred vision.[Ref]
Renal side effects have included nephrotoxicity.[Ref]
Metabolic side effects have included hyperglycemia.[Ref]
1. "Product Information. Flextra (APAP/caffeine/phenyltoloxamine)." Poly Pharmaceuticals Inc, Quitman, MS.
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Some side effects may not be reported. You may report them to the FDA.