HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Hi i took robitussin dm (guaifenesin and dextromethorphan) about 3 hours ago and it hasn't helped, is it to soon to take some nyquil?

A doctor has provided 1 answer

If you took 2 teaspoons of the RobitussinDM you should wait 4 hours before taking the Nyquil. Your pharmacist can validate this advice.

Answered 1/8/2023

0 views

Thank

Related Questions

A member asked:

Is it ok for me to take 1 dose of Robitussin (dextromethorphan 15mg, not containing acetaminophen) and 1 dose of NyQuil (Acetaminophen 325mg, dextrome?

A doctor has provided 1 answer

A member asked:

I took robitussin Dm and then NyQuil, 8 think around 2 hours later. I know this is ill-advised. Is it safe to fall asleep and let the medicine work or?

A doctor has provided 1 answer

A member asked:

What to do if i got high off Robitussin dm (guaifenesin and dextromethorphan)?

A doctor has provided 1 answer

A member asked:

Can you tell me what is the best way to mask the bitterness of Robitussin dm (guaifenesin and dextromethorphan)?

A doctor has provided 1 answer

A member asked:

Robitussin dm (guaifenesin and dextromethorphan) with blood pressure medication, is this okay?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Hi I took robitussin dm (guaifenesin and dextromethorphan) about 3 hours ago and it hasn't helped, is it to soon to take some NyQuil?
Is it okay to take Robitussin DM (guaifenesin and dextromethorphan) and NyQuil together. I'm kinda worried. I didn't think about it until after I took them.
My son is 10 weighs 143 lbs. Can he take Robitussin dm (guaifenesin and dextromethorphan)?
Why does my stomach ache so bad ( maybe lasts for 3 mins) after I take Robitussin DM (guaifenesin and dextromethorphan)? I took meal before taking this medicine.
Can i take Robitussin dm, (guaifenesin and dextromethorphan) cough and mucus while breaatfeeding? My baby is 14 weeks . I have a chest cold and am worried he will get rsv

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.