Slight drowsiness/dizziness, nausea, or vomiting may occur. Rarely, some people may experience severe drowsiness/dizziness with normal doses. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Does dextromethorphan hydrobromide make you sleepy?

Slight drowsiness/dizziness, nausea, or vomiting may occur. Rarely, some people may experience severe drowsiness/dizziness with normal doses. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Does dextromethorphan put you to sleep?

Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine) can help you get a good night's sleep and stop coughing, but you can have a hard time waking up if you don't give yourself enough time to sleep.