Flu & Severe Cold & Cough Daytime Powder

Applies to acetaminophen / dextromethorphan / phenylephrine: oral capsule, oral liquid, oral powder for reconstitution, oral suspension, oral syrup, oral tablet

Hepatic

Hepatic side effects of acetaminophen have included severe and sometimes fatal dose dependent hepatitis in alcoholic patients. Hepatotoxicity has been increased during fasting.[Ref]

Nervous system

Nervous system side effects of dextromethorphan have included drowsiness and dizziness. Other side effects such as excitation, mental confusion, and opioid like respiratory depression have been rare and occurred at higher dosages. In some cases of abuse, patients experienced euphoria, hyperactivity, mania, and auditory and visual hallucinations.

Nervous system side effects of phenylephrine have included headache, dizziness, nervousness, restlessness, tremor, insomnia, convulsions, and central nervous system depression.[Ref]

Cardiovascular

Cardiovascular side effects of phenylephrine have included palpitations, arrhythmias, and cardiovascular collapse with hypotension.[Ref]

Gastrointestinal

Gastrointestinal side effects of dextromethorphan have included upset stomach.

Gastrointestinal side effects of phenylephrine have included nausea.[Ref]

Hypersensitivity

Hypersensitivity side effects of dextromethorphan have included rare reports of fixed-drug eruptions.[Ref]

Respiratory

Respiratory side effects of phenylephrine have included respiratory difficulty.[Ref]

Genitourinary

Genitourinary side effects of phenylephrine have included dysuria.[Ref]

General

General side effects of phenylephrine have included pallor and weakness.[Ref]

Psychiatric

Psychiatric side effects of phenylephrine have included hallucinations, fear, and anxiety.[Ref]

Dermatologic

Dermatologic side effects associated with acetaminophen includes the risk of rare but potentially fatal serious skin reactions known as Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and acute generalized exanthematous pustulosis (AGEP).

Some side effects of Flu & Severe Cold & Cough Daytime Powder may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.