Guaibid DM Side Effects
Generic Name: dextromethorphan / guaifenesin
Note: This page contains information about the side effects of dextromethorphan / guaifenesin. Some of the dosage forms included on this document may not apply to the brand name Guaibid DM.
Not all side effects for Guaibid DM may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to dextromethorphan / guaifenesin: capsules, elixir, extended-release liquid, extended-release tablets, granule packets, liquid, solution, suspension, sustained-release tablets, syrup, tablets
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking dextromethorphan / guaifenesin:
Dizziness; drowsiness; stomach upset.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).
For Healthcare Professionals
Applies to dextromethorphan / guaifenesin: oral capsule, oral capsule extended release, oral elixir, oral granule, oral liquid, oral suspension extended release, oral tablet, oral tablet extended release
Nervous system side effects of dextromethorphan have included drowsiness and dizziness. Adverse effects, which have occurred at higher doses, include excitation, mental confusion, and opioid like respiratory depression. In some cases of abuse, patients have experienced euphoria, hyperactivity, mania, and auditory and visual hallucinations.[Ref]
Gastrointestinal side effects have included nausea, vomiting and constipation.[Ref]
Dermatologic side effects have included pruritus and rash.[Ref]
Hypersensitivity side effects of dextromethorphan have included fixed-drug eruptions.[Ref]
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2. Covington TR, Lawson LC, Young LL, eds. "Handbook of Nonprescription Drugs. 10th ed." Washington, DC: American Pharmaceutical Association (1993):
3. Wolfe TR, Caravati EM "Massive dextromethorphan ingestion and abuse." Am J Emerg Med 13 (1995): 174-6
4. Helfer J, Kim OM "Psychoactive abuse potential of Robitussin-DM." Am J Psychiatry 147 (1990): 672-3
5. "Product Information. Tussi-Organidin DM NR (dextromethorphan-guaifenesin)" Wallace Laboratories, Cranbury, NJ.
6. Bostwick JM "Dextromethorphan-induced manic symptoms in a bipolar patient on lithium." Psychosomatics 37 (1996): 571-2
7. Murray S, Brewerton T "Abuse of over-the-counter dextromethorphan by teenagers." South Med J 86 (1993): 1151-3
8. Polles A, Griffith JL "Dextromethorphan-induced mania." Psychosomatics 37 (1996): 71-4
9. Stubb S, Reitamo S "Fixed-drug eruption due to dextromethorphan ." Arch Dermatol 126 (1990): 970-1
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