Entex T Side Effects

Generic name: guaifenesin / pseudoephedrine

Medically reviewed by Drugs.com. Last updated on Apr 23, 2024.

Note: This document provides detailed information about Entex T Side Effects associated with guaifenesin / pseudoephedrine. Some dosage forms listed on this page may not apply specifically to the brand name Entex T.

Applies to guaifenesin / pseudoephedrine: oral capsule, oral liquid, oral tablet, oral tablet extended release.

Important warnings This medicine can cause some serious health issues

Do not use guaifenesin and pseudoephedrine if you have used an MAO inhibitor in the past 14 days.

A dangerous drug interaction could occur.

MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.

Taking more than your recommended dose will not make this medicine more effective, and may cause serious side effects.

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Stop using guaifenesin and pseudoephedrine and call your doctor at once if you have:

• nervousness, dizziness, 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 guaifenesin / pseudoephedrine: oral capsule, oral capsule extended release, oral liquid, oral syrup, oral tablet, oral tablet chewable, oral tablet extended release.

Cardiovascular adverse events

• Frequency not reported: Tachycardia, palpitations, other cardiac dysrhythmias, hypertension^[Ref]

Nervous system

• Frequency not reported: Headache, dizziness, tremor, excitability^[Ref]

Psychiatric

• Frequency not reported: Irritability, tolerance and dependence (with prolonged pseudoephedrine administration), anxiety, restlessness, insomnia, hallucinations (particularly in children), paranoid delusions, sleep disturbance^[Ref]

Hypersensitivity

• Frequency not reported: Hypersensitivity reactions, cross-sensitivity with other sympathomimetics^[Ref]

Genitourinary

• Frequency not reported: Difficulty in micturition (including urinary retention)^[Ref]

Dermatologic

• Frequency not reported: Skin reactions (including rash, sweating), severe skin reactions including acute generalized exanthematous pustulosis (AGEP)^[Ref]

Gastrointestinal

• Frequency not reported: Nausea, vomiting, gastrointestinal discomfort, dry mouth^[Ref]

Musculoskeletal

• Frequency not reported: Muscular weakness^[Ref]

Metabolic

• Frequency not reported: Thirst^[Ref]

Further information

Entex T side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

Medical Disclaimer