Cough DM

Generic name: Dextromethorphan
Drug class: Antitussives

Usage of Cough DM

Cough DM is a cough suppressant that is used to treat cough caused by the common cold or flu.

Cough DM will not treat a cough caused by smoking, asthma, or emphysema.

There are many brands and forms of dextromethorphan available. Not all brands are listed on this leaflet.

Cough DM may also be used for purposes not listed in this medication guide.

Cough DM side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Cough DM may cause serious side effects. Stop using Cough DM and call your doctor at once if you have:

severe nervousness, confusion;

severe dizziness or drowsiness;

blurred vision; or

painful or difficult urination.

Common side effects of Cough DM may include:

nausea, diarrhea, loss of appetite;

dizziness;

tingling; or

feeling restless.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Before taking Cough DM

Do not use Cough DM if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

You should not use Cough DM if you are allergic to it.

Ask a doctor or pharmacist if this medicine is safe to use if you have any medical conditions.

Cough DM should not be given to a child younger than 12 years old.

Ask a doctor before using this medicine if you are pregnant or breast-feeding.

This medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).

Relate drugs

How to use Cough DM

Use exactly as directed on the label, or as prescribed by your doctor. Cold or cough medicine is only for short-term use until your symptoms clear up.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.

If you need surgery or medical tests, tell your surgeon or doctor ahead of time that you have taken Cough DM in the past few days.

Store at room temperature away from moisture, heat, and light. Do not freeze.

Warnings

Do not use Cough DM if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

What other drugs will affect Cough DM

Avoid using this medicine with other drugs that cause drowsiness or slow your breathing (such as opioid medicine, a muscle relaxer, or medicine for anxiety or seizures). Ask a doctor or pharmacist before using any other medication, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed in this medication guide.

Disclaimer

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