Complete adverse effect profile including incidence rates and management
Important Safety Information
This is not a complete list of all possible side effects. Contact your healthcare provider if you experience any unexpected symptoms. For serious or life-threatening side effects, seek emergency medical attention immediately.
Warnings for children under 12 years of age with any other product containing diphenhydramine, even one used on skin with other drugs that cause drowsiness such as antihistamines and nighttime cold/flu products do not use with NyQuil a breathing problem such as asthma, emphysema, or chronic bronchitis glaucoma difficulty in urination due to enlargement of the prostate gland heart disease Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers or any other sleep aid avoid alcoholic beverages and other drugs that cause drowsiness drowsiness will occur be careful when driving a motor vehicle or operating machinery Stop use and ask a doctor if sleeplessness persists continuously for more than 2 weeks.
Insomnia may be a symptom of serious underlying medical illness.
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children.
Overdose warning: Taking more than directed can cause serious health problems.
Like all medications, Diphenhydramine Hydrochloride can cause side effects. However, not everyone who takes this medication will experience them. Many side effects are dose-dependent and may improve as your body adjusts to the medication. Others may require dose adjustment or medical attention.
Contact your healthcare provider promptly if you experience:
Seek immediate emergency medical care if you experience signs of: