Robitussin Peak Cold Daytime Cold + Flu Side Effects
Generic Name: acetaminophen / dextromethorphan / phenylephrine
Note: This document contains side effect information about acetaminophen / dextromethorphan / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name Robitussin Peak Cold Daytime Cold + Flu.
For the Consumer
Applies to acetaminophen / dextromethorphan / phenylephrine: oral capsule, oral liquid, oral packet, oral tablet
What are some side effects that I need to call my doctor about right away?
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Not able to pass urine or change in how much urine is passed.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
What are some other side effects of this drug?
- Feeling nervous and excitable.
- Not able to sleep.
For Healthcare Professionals
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.
Gastrointestinal side effects of dextromethorphan have included upset stomach.
Hypersensitivity side effects of dextromethorphan have included rare reports of fixed-drug eruptions.[Ref]
Respiratory side effects of phenylephrine have included respiratory difficulty.[Ref]
General side effects of phenylephrine have included pallor and weakness.[Ref]
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).
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16. Knowles SR, Weber E "Dextromethorphan anaphylaxis." J Allerg Clin Immunol 102 (1998): 316-7
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Some side effects may not be reported. You may report them to the FDA.
More about Robitussin Peak Cold Daytime Cold + Flu (acetaminophen / dextromethorphan / phenylephrine)
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- Drug class: upper respiratory combinations