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Nighttime Sleepaid Side Effects

Generic Name: doxylamine

Note: This document contains side effect information about doxylamine. Some of the dosage forms listed on this page may not apply to the brand name Nighttime Sleepaid.

For the Consumer

Applies to doxylamine: oral tablets

Side effects include:


For Healthcare Professionals

Applies to doxylamine: compounding powder, oral tablet, oral tablet chewable


Most side effects are mild and short-lived; serious side effects are rare.[Ref]


Frequency not reported: Muscle weakness[Ref]

Nervous system

Frequency not reported: Sedation, dizziness, impaired coordination, paradoxical excitation, drowsiness, headache, anticholinergic effects (e.g., dry mouth, nose, and/or throat)[Ref]


Frequency not reported: Thicker nasal discharge[Ref]


1. Cerner Multum, Inc. "Australian Product Information." O 0

2. "Product Information. Unisom (doxylamine)." Pfizer U.S. Pharmaceuticals Group, New York, NY.

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.

More about Nighttime Sleepaid (doxylamine)

Consumer resources

Other brands: Sleep Aid, Unisom SleepTabs

Professional resources

Related treatment guides