Flextra Side Effects
Generic Name: acetaminophen / caffeine / phenyltoloxamine
Note: This document contains side effect information about acetaminophen / caffeine / phenyltoloxamine. Some of the dosage forms listed on this page may not apply to the brand name Flextra.
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.
Some side effects may not be reported. You may report them to the FDA.