Wyeth | Dextromethorphan (Medication)
Dextromethorphan is a cough suppressant. It affects the signals in the brain that trigger cough reflex. Dextromethorphan is used to treat a cough.
Dextromethorphan is chemically related to codeine and acts on the brain to suppress cough, but it does not have the pain relieving and addictive properties of codeine….
Dextromethorphan: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using dextromethorphan and call your doctor at once if you have any of these serious side effects: severe dizziness, anxiety, restless feeling, or nervousness; confusion, hallucinations; or slow, shallow breathing.
Less serious side effects are more likely, such as stomach upset….
Do not give dextromethorphan to a child younger than 4 years old.
Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.
Do not use dextromethorphan if you have used an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate) within the past 14 days. Serious, life-threatening side effects can occur if you take dextromethorphan before the MAO inhibitor has cleared from your body.
Do not use any other over-the-counter cough, cold, or allergy medication without first asking your doctor or pharmacist. If you take certain products together you may accidentally take too much of one or more types of medicine. Read the label of any other medicine you are using to see if it contains dextromethorphan. Dextromethorphan will not treat a cough that is caused by smoking, asthma, or emphysema….