Dextromethorphan Pharmacology

Dextromethorphan

About Dextromethorphan
A synthetic morphine (((dextrorotatory methyl ether of Levorphanol))) derivative,A synthetic narcotic antitussive.
Mechanism of Action of Dextromethorphan
Dextromethorphan hydrobromide is a selective antitussive which raises threshold of cough centre and suppresses the cough reflex by direct action on the cough centre in the medulla. It does not depress mucociliary function of the airway mucosa and is also devoid of constipating and addicting actions. (((Its antitussive action is not exerted through opioid receptors)))
Pharmacokinets of Dextromethorphan
Absorption: Well absorbed orally, Metabolism: Extensively metabolized by liver, Excretion: Excreted primarily through urine as metabolites; about 7 to 10% is excreted through faeces.
Onset of Action for Dextromethorphan
Below ? an hour
Duration of Action for Dextromethorphan
3 to 6 hours
Half Life of Dextromethorphan
11 hours
Side Effects of Dextromethorphan
1. Dizziness
2. Nausea
3. Vomiting
4. Stomach pain
5. Drowsiness
6. Ataxia.
Contra-indications of Dextromethorphan
Patients currently taking MAO inhibitors or within two weeks of discontinuing MAO inhibitors.
Special Precautions while taking Dextromethorphan
1. Atopic children
2. Sedated or deliberate patients
3. Those patients confined to the supine position
4. Patients sensitive to aspirin
Pregnancy Related Information
Contraindicated
Old Age Related Information
N/A
Breast Feeding Related Information
N/A
Children Related Information
May be used
Children below 2 years: Syrup, tablets, or lozenges are contraindicated
Indications for Dextromethorphan
Chronic nonproductive cough.
Interactions for Dextromethorphan
N/A
Typical Dosage for Dextromethorphan
Oral:
Chronic nonproductive cough:
Adults and children above 12 years: 10 to 20mg every 4 hours; or 30mg three to four times daily.
Maximum dose: 120mg daily.
Children (((age 6 to 12))): 5 to 10mg every four hours
Maximum dose: 60mg daily
Children (((age 2 to 6))): 2.5 to 5mg every four hours.
Maximum dose: 30mg daily.
Schedule of Dextromethorphan
N/A
Storage Requirements for Dextromethorphan
Store at room temperature in a well closed light resistant container. Protect from excess heat and moisture. Keep out of reach of children.
Effects of Missed Dosage of Dextromethorphan
Take the missed dose as soon as noticed and if it is the time for next dose then skip the missed dose. Continue the regular schedule. Do not double the dose.
Effects of Overdose of Dextromethorphan
Remove drug from the body by administration of activated charcoal and provide symptomatic treatment and supportive measures.

Home Delivery for Dextromethorphan in Your City

Medicine India is just a publishing medium for medicine related information and does not provide services or sales of medicines including dextromethorphan.

However, we do publish a comprehensive directory of Pharmacies, Chemists and Druggists in cities all over India. You can use this directory to find the medicine stores in your city (or area) that provide home delivery services for dextromethorphan and other medicines and health products. Home delivery services for dextromethorphan may be free or they may cost you depending on the pharmacy and the minimum order requirements. It would be best to get this clarified while placing the order.

Please be aware that you should take dextromethorphan only if a doctor has recommended or prescribed it. Some or all pharmacies who provide a home delivery service for medicines might insist on a prescription for dextromethorphan before they complete the sale. You can get this information while placing the order for dextromethorphan with the pharmacy.

Dextromethorphan is a generic medicine name and there are several brands available for it. Some of the brands for dextromethorphan might be better known than dextromethorphan itself. If the pharmacy that's willing to deliver medicines to your home doesn't have dextromethorphan in stock, you can ask for one of the branded alternatives for dextromethorphan.