- Abdominal pain
- Nervousness or anxiety
- Respiratory depression
- Serotonin syndrome
However, not everyone experiences these side effects. In addition, some people may experience other side effects. So, if you have any concerns about a side effect, please consult your doctor or pharmacist.
What drugs may interact with dextromethorphan?
This medication may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects.
To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist.
Drugs with known interactions:
- Other CNS depressants
If you experience an adverse drug interaction, inform your doctor immediately to reevaluate your treatment plan. Approaches include dose adjustment, drug substitution, or ending therapy.
Does food or alcohol interact with dextromethorphan?
This drug may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Do not consume alcohol while taking this drug. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.
What health conditions may interact with dextromethorphan?
This drug may interact with underlying conditions. This interaction may worsen your health condition or alter the way the drug works. Therefore, it is important to always let your doctor and pharmacist know all the health conditions you currently have, such as:
- Liver disease
The information provided is not a substitute for any medical advice. Therefore, you should always consult with your doctor or pharmacist before using any medication.
What is the dose for an adult?
Take 5 to 10 mL every 4 hours, or as directed by your doctor.
What is the dose for a child?
For children ages 6 to 12 years, give 2.5 to 5 mL every 4 hours, or as directed by a pediatrician. Do not give it to children under 6 years old.
Children ages 12 and older: same as the adult dose.
How is dextromethorphan available?
Dextromethorphan is available in the following dosage forms and strengths:
- Capsule: 15 mg
- Syrup: 10mg/5mL
- Lozenge or cough drop: 5 mg
What should I do in case of an emergency or overdose?
In case of an emergency or an overdose, call your local emergency services or go to the nearest emergency room.
What should I do if I miss a dose?
If you miss a dose, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.