Generic name: Dextromethorphan
Pregnancy & Lactation: Risk data not available
What is Dayquil Cough?
Dextromethorphan is a cough suppressant that is used to treat cough caused by the common cold or flu.
There are many brands and forms of dextromethorphan available. Not all brands are listed on this leaflet.
Dextromethorphan may also be used for purposes not listed in this medication guide.
Dextromethorphan will not treat a cough caused by smoking, asthma, or emphysema.
Warnings
Do not use dextromethorphan 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.
Ask a doctor or pharmacist if this medicine is safe to use if you have any medical conditions.
This medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).
You should not use dextromethorphan if you are allergic to it.
Dextromethorphan 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.
How should I use Dayquil Cough
Use Dayquil Cough (Oral) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
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 carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). liquid medicine
If you need surgery or medical tests, tell your surgeon or doctor ahead of time that you have taken dextromethorphan in the past few days.
Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.
Store at room temperature away from moisture, heat, and light. Do not freeze.
Since cough or cold medicine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. use two doses at one time. Do not
Dayquil Cough side effects
Get emergency medical help if you have hives; difficult breathing; swelling of your face, lips, tongue, or throat. signs of an allergic reaction:
Stop using dextromethorphan and call your doctor at once if you have:
- severe nervousness, confusion;
- severe dizziness or drowsiness;
- blurred vision; or
- painful or difficult urination.
- nausea, diarrhea, loss of appetite;
- dizziness;
- tingling; or
- feeling restless.
Common side effects may include:
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.
What other drugs will affect Dayquil Cough?
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Drinking alcohol can increase certain side effects of this medicine.
Ask a doctor or pharmacist before using over-the-counter medicines that may contain ingredients similar to dextromethorphan.