Diphenhydramine HCl and Dextromethorphan HBr are the active ingredients in many over-the-counter cough and cold medications. Here are some indications for their use:
Cough: Dextromethorphan is a cough suppressant that helps to reduce coughing.
Cold: Diphenhydramine is an antihistamine that helps to relieve symptoms of the common cold, such as sneezing, runny nose, and watery eyes.
Allergies: Diphenhydramine is also used to relieve symptoms of allergies, such as itching, rash, and hives.
Insomnia: Diphenhydramine can also be used as a sleep aid due to its sedative effect.
Dosage:
For adults: The usual dose of diphenhydramine is 25-50 mg every 4-6 hours as needed, and the usual dose of dextromethorphan is 10-20 mg every 4-6 hours as needed.
For children: The dosages for children will vary based on age and weight, so it is important to follow the dosing instructions provided on the label or by your healthcare provider.
Content
Diphenhydramine HCl 25 mg + Dextromethorphan HBr 10 mg per teaspoon (5 mL) of oral solution.
Diphenhydramine HCl 50 mg + Dextromethorphan HBr 30 mg per tablet or capsule.
Do not use Diphenhydramine HCl + Dextromethorphan HBr if you are taking a monoamine oxidase inhibitor (MAOI) or have taken one within the past 14 days.
Precautions
Do not use Diphenhydramine HCl + Dextromethorphan HBr if you are taking a monoamine oxidase inhibitor (MAOI) or have taken one within the past 14 days.