Dextromethorphan

Uses	Dry cough
Therapy	Cough Cold Preparation
Side Effects	Dizziness, drowsiness

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Molecule Description

Dextromethorphan is used to treat dry cough. It works as a cough suppressant for patients suffering from dry cough. Take it as directed by the doctor.

Uses

For the treatment of dry cough.

Contraindications

When should one not use Dextromethorphan

If you are allergic to dextromethorphan or any other ingredients of this medicine.

Side effects

Common side effects of this drug are:

Sleepiness (drowsiness)
Unsteadiness (dizziness)
Excitation
Mental confusion
Difficulty in breathing
Sickness and abdominal discomfort
Rashes and allergic reaction

Precautions and Warnings

Pregnancy

Dextromethorphan should not be given to pregnant women. Consult your doctor and ask for safer alternatives.

Breast Feeding

It is not known whether Dextromethorphan is passed into the breastmilk or not. However, you should not take it if you breastfeed your child. Consult your doctor regarding the use of this medicine.

Driving

It is not safe to drive if you have taken Dextromethorphan. This medicine affects your ability to drive as it causes dizziness and drowsiness. Make sure you take this medicine as prescribed by your doctor and drive only when you feel completely alert and oriented.

Alcohol

It is not advisable to consume alcohol if you are taking Dextromethorphan, as it may worsen the side effects.

Other General Warnings

Talk to your doctor if

You have asthma, difficulty in breathing or cough with secretions.
You are giving it to a child with severe allergies.
You are taking any other medicines for cough or cold.
You are taking it for a long duration, you might become dependent on this medicine.
You may experience some serious complications if you are on medicines like selective serotonin reuptake inhibitor, MAO inhibitor or CYP2D6 inhibitors.

Mode of Action

How Does It Work?

Dextromethorphan acts on the cough centre of the brain and suppresses cough. It offers good relief in dry cough and should not be consumed if you have a cough with secretions.

Interactions

Interactions with other medicines

Dextromethorphan can cause serious complications when given concomitantly or even within 14 days of last administration of some medicines used to treat psychotic disorders eg. phenelzine, selegiline, procarbazine (MAO inhibitors) or SSRI's (eg. escitalopram, paroxetine, sertraline, etc.)
Medicines acting on the brain can alter the effect of Dextromethorphan.
Some anti-allergic medicines and medicines for mental illness should be used with caution.
The use of quinidine, a medicine used for the treatment of irregular heart rhythm can increase the effect of this medicine. Hence, concomitant use should be avoided. In case the use is unavoidable the patient should be closely monitored during the treatment.

Dosage

Overdose

If you have taken too much of this medicine, you may experience drowsiness, dizziness, unconsciousness, nausea, difficulty in breathing. Contact your doctor or reach out to the nearest hospital immediately.

Missed a Dose

If you have missed taking any dose of this medicine, then take it as soon as you remember. If it's already time for the next dose then skip the missed dose and follow the regular dosing schedule.

Frequently Asked Questions (FAQs)

Yes, Dextromethorphan can make you sleepy. Take this medicine after consulting your doctor.

Use Dextromethorphan exactly as directed by your doctor or as described in the patient information leaflet.

It may be unsafe to give Dextromethorphan to a patient with Schizophrenia because some of the ongoing medicines may interact with Dextromethorphan and cause serious complications. It is highly recommended that you do not give a Schizophrenic patient any medicine without consulting his/her doctor. Avoid self-medication.