Medical Services Patients & Visitors Health Information For Medical Professionals Quality About Us
Text Size:  -   +  |  Print Page  |  Email Page

Dextromethorphan (By mouth)

Dextromethorphan (dex-troe-meth-OR-fan)

Treats a cough caused by colds, the flu, and other conditions. This medicine is a cough suppressant.

Brand Name(s):

Babee Cof Syrup, Children's Triaminic Long Acting Cough, Cough DM, Creo-Terpin, Creomulsion Cough, Creomulsion For Children, Delsym, Dexalone, Dextromethorphan Polistirex, EntexPAC, Father John's Medicine, Good Neighbor Pharmacy Cough Relief, Good Neighbor Tussin, Leader Cough DM, Quality Choice Cough Relief

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to dextromethorphan. You should not use this medicine if you are also using an MAO inhibitor (such as Parnate®, Nardil®, or Marplan®) or if you have used one of these medicines in the past 2 weeks. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

How to Use This Medicine:

Chewable Tablet, Lozenge, Liquid, Thin Sheet, Tablet, Capsule, Liquid Filled Capsule

  • Take your medicine as directed.
  • Follow the instructions on the medicine label if you are using this medicine without a prescription.
  • You may take this medicine with or without food.
  • The chewable tablet can be chewed or crushed or swallowed whole. Drink plenty of water after swallowing the tablet.
  • Slowly dissolve the lozenge in your mouth.
  • Shake the oral liquid well just before each use. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

If a dose is missed:

  • Take the missed dose as soon as you remember. It is not usually a concern if you miss one dose.
  • Skip the missed dose if it is almost time for your next dose.
  • You should not use two doses at the same time.

How to Store and Dispose of This Medicine:

  • Store at room temperature, away from heat, light, and moisture. Do not freeze the oral liquid.
  • Keep all medicine away from children.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

  • Make sure your doctor knows if you are pregnant or breastfeeding, or if you have asthma or liver disease.
  • This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

Possible Side Effects While Using This Medicine:

If you notice these less serious side effects, talk with your doctor:

  • Mild drowsiness, dizziness, nervousness, or restlessness
  • Nausea, vomiting, stomach pain

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 7/4/2014


The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites.
Copyright © 1984- Truven Health Analytics. All rights reserved.

Thomson & A.D.A.M
A.D.A.M. content is best viewed in IE9 or above, Fire Fox and chrome browser.