Dimenhydrinate Side Effects
Medically reviewed by Drugs.com. Last updated on Jun 12, 2023.
Applies to dimenhydrinate: oral solution, oral tablets, parenteral injection.
Side effects include:
Drowsiness, headache, blurred vision, tinnitus, dryness of the mouth and respiratory passages, incoordination, palpitation, dizziness, hypotension.
Paradoxical CNS stimulation in pediatric patients and occasionally in adults.
With IM injection: Pain at the injection site.
Because dimenhydrinate contains diphenhydramine, the possibility of other diphenhydramine-related adverse effects should also be considered.
For Healthcare Professionals
Applies to dimenhydrinate: compounding powder, injectable solution, oral liquid, oral tablet, oral tablet chewable.
General
The most frequently reported adverse reaction is drowsiness.[Ref]
Cardiovascular
Frequency not reported: Tachycardia[Ref]
Dermatologic
Frequency not reported: Skin rash[Ref]
Gastrointestinal
Frequency not reported: Dry mouth, epigastric distress, nausea[Ref]
Genitourinary
Frequency not reported: Difficult or painful urination[Ref]
Metabolic
Frequency not reported: Anorexia[Ref]
Nervous system
Frequency not reported: Drowsiness, dizziness, headache, excitation[Ref]
Ocular
Frequency not reported: Blurred vision[Ref]
Other
Frequency not reported: Lassitude[Ref]
Psychiatric
Frequency not reported: Nervousness, restlessness, insomnia[Ref]
Respiratory
Frequency not reported: Dry nose, dry throat, thickening of bronchial secretions[Ref]
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Other brands
Dramamine, Driminate, Travel-Eze, Triptone
Professional resources
Related treatment guides
References
1. Product Information. Dramamine (dimenhydrinate). Pharmacia and Upjohn. 2001.
Further information
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.