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Buckley's Mixture Cough Suppressant Side Effects

Generic name: dextromethorphan

Medically reviewed by Drugs.com. Last updated on Sep 11, 2023.

Note: This document provides detailed information about Buckley's Mixture Cough Suppressant Side Effects associated with dextromethorphan. Some dosage forms listed on this page may not apply specifically to the brand name Buckley's Mixture Cough Suppressant.

Applies to dextromethorphan: oral capsule liquid filled, oral elixir, oral liquid, oral solution, oral suspension extended release, oral syrup, oral tablet.

Other side effects

Some side effects of dextromethorphan may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

  • confusion
  • constipation
  • dizziness (mild)
  • drowsiness (mild)
  • headache
  • nausea or vomiting
  • stomach pain

Serious side effects

Along with its needed effects, dextromethorphan (the active ingredient contained in Buckley's Mixture Cough Suppressant) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur while taking dextromethorphan:

Symptoms of overdose

For healthcare professionals

Applies to dextromethorphan: compounding powder, oral capsule, oral disintegrating strip, oral drops, oral liquid, oral lozenge, oral solution, oral suspension extended release, oral syrup, oral tablet chewable.

General

Adverse effects have included gastrointestinal disturbances such as stomach upset and diarrhea.[Ref]

Nervous system

Respiratory

Gastrointestinal

Hypersensitivity

Psychiatric

Cases of abuse have been reported.[Ref]

Dermatologic

References

1. Cerner Multum, Inc. "UK Summary of Product Characteristics."

2. Hall RC, Beresford TP, Stickney SK, Nasdahl CS, Coleman JH (1985) "Psychiatric reactions produced by respiratory drugs." Psychosomatics, 26, 605-8,616-7

3. Helfer J, Kim OM (1990) "Psychoactive abuse potential of Robitussin-DM." Am J Psychiatry, 147, p. 672-3

4. Murray S, Brewerton T (1993) "Abuse of over-the-counter dextromethorphan by teenagers." South Med J, 86, p. 1151-3

5. Wolfe TR, Caravati EM (1995) "Massive dextromethorphan ingestion and abuse." Am J Emerg Med, 13, p. 174-6

6. Polles A, Griffith JL (1996) "Dextromethorphan-induced mania." Psychosomatics, 37, p. 71-4

7. Bostwick JM (1996) "Dextromethorphan-induced manic symptoms in a bipolar patient on lithium." Psychosomatics, 37, p. 571-2

8. Stubb S, Reitamo S (1990) "Fixed-drug eruption due to dextromethorphan ." Arch Dermatol, 126, p. 970-1

9. Knowles SR, Weber E (1998) "Dextromethorphan anaphylaxis." J Allerg Clin Immunol, 102, p. 316-7

Frequently asked questions

Further information

Buckley's Mixture Cough Suppressant 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.