Tylenol Cold Multi-Symptom Severe Side Effects

Generic name: acetaminophen / dextromethorphan / guaifenesin / phenylephrine

Note: This document contains side effect information about acetaminophen / dextromethorphan / guaifenesin / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name Tylenol Cold Multi-Symptom Severe.

Some side effects of Tylenol Cold Multi-Symptom Severe may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to acetaminophen / dextromethorphan / guaifenesin / phenylephrine: oral liquid, oral tablet

Get emergency medical help if you have any of these signs of an allergic reaction while taking acetaminophen / dextromethorphan / guaifenesin / phenylephrine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

• chest pain, fast, slow, or uneven heart rate;

• severe dizziness, feeling like you might pass out;

• mood changes, confusion, hallucinations;

• tremor, seizure (convulsions);

• fever;

• urinating less than usual or not at all;

• nausea, pain in your upper stomach, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of your skin or eyes); or

• dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, chest pain, uneven heartbeats, seizure).

Common side effects may include:

• dizziness, weakness;

• mild headache;

• mild nausea, diarrhea, upset stomach;

• dry mouth, nose, or throat;

• feeling nervous, restless, irritable, or anxious; or

• sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For Healthcare Professionals

Applies to acetaminophen / dextromethorphan / guaifenesin / phenylephrine: oral liquid, oral tablet

Cardiovascular

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

Gastrointestinal

Gastrointestinal side effects of dextromethorphan have included upset stomach.

Gastrointestinal side effects of guaifenesin have included stomach upset and vomiting with higher than recommended doses. Doses recommended for expectoration have rarely been associated with gastrointestinal upset.

Gastrointestinal side effects of phenylephrine have included nausea.

General

General side effects of phenylephrine have included pallor and weakness.

Genitourinary

Genitourinary side effects of phenylephrine have included dysuria.

Hepatic

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

Hypersensitivity

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

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 guaifenesin have occasionally included dizziness and headache.

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

Psychiatric

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

Respiratory

Respiratory side effects of phenylephrine have included respiratory difficulty.

Dermatologic

Dermatologic side effects of guaifenesin have included rare reports of rash.

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