Dexwin 20mg Tablet

Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS

Last updated on 07 Jan 2026 | 01:58 PM (IST)

Dexwin 20mg Tablet is an antitussive medicine. It is used for the treatment of dry cough. It helps by reducing the activity of the cough center in the brain.

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General Information

Contains

Dextromethorphan Hydrobromide (20mg)

Marketer

Dr Arvind Lifescience Pvt Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

This medicine is taken by mouth with or without food. You should take it in a proper dose and duration as advised by the doctor. Remember, dosage is decided on the basis of the type of medicine (syrup or lozenge), age and the present medical condition of the person. It is important to finish the full course of treatment even if you feel better. In case you have missed a dose, take it as soon as you remember it. It is beneficial to have plenty of fluids while taking this medication.

Dexwin 20mg Tablet may cause dizziness as a side effect, so do not drive or do anything that requires mental focus. Rashes and diarrhea may also occur in many individuals.

It is important to note that you should never support self medication or recommend your medicine to another person. Keep out of reach of children, as an overdose of this medicine can be dangerous.

Uses of Dexwin Tablet

Dry cough

Benefits of Dexwin Tablet

Dry cough
A dry cough, also known as non-productive cough, is a cough where no phlegm or mucus is produced. This is irritating, usually associated with a tickly throat and may be caused due to cold, flu, allergies or throat irritants. Dexwin 20mg Tablet suppresses dry, hacking coughs. It will help you carry out your daily activities more easily.

This medicine is safe and effective. Dexwin 20mg Tablet usually starts to work within a few minutes and the effects can last up to several hours. Take it as prescribed by the doctor. Do not stop using it unless you are advised to by your doctor.

Side effects of Dexwin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Dexwin

Confusion
Sleepiness
Dizziness
Nausea

How to use Dexwin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Dexwin 20mg Tablet may be taken with or without food.

How Dexwin Tablet works

Dexwin 20mg Tablet is an antitussive (cough suppressant). It suppresses cough by reducing the activity of the cough centre in the brain.

Quick tips

You have been prescribed Dexwin 20mg Tablet for the symptomatic relief of dry cough.
It is usually taken for a short time, until the symptoms clear up.
Allow the lozenge or disintegrating strip to dissolve in your mouth. Do not chew or swallow.
Measure the syrup with a special dose-measuring spoon or cup, not a regular table spoon.
Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.
It should not be administered to patients with chronic cough or where cough is accompanied by excessive secretions.
Inform your doctor if your cough lasts more than 7 days, comes back, or occurs with fever, rash or headache. These could be signs of a serious condition.

Safety advice

Alcohol

UNSAFE

Do not drink alcohol while you are taking this medicine. Dexwin 20mg Tablet may cause excessive drowsiness when taken with alcohol.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Dexwin 20mg Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Dexwin 20mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Dexwin 20mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Dexwin 20mg Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Dexwin 20mg Tablet in patients with liver disease.

Interaction with drugs

Taking Dexwin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Life-threatening

Moclobemide (Oral Route)

Do not consume Moclobemide with Dextromethorphan Hydrobromide. Moclobemide may decrease the metabolism of Dextromethorphan Hydrobromide.

Life-threatening

Tranylcypromine (Oral Route)

Do not consume Tranylcypromine with Dextromethorphan Hydrobromide. If Tranylcypromine is essential, ensure a gap of at least 2 weeks after discontinuing Dextromethorphan Hydrobromide. Please consult your doctor.

Severe

Ziprasidone (Oral Route)

Watch out for symptoms such as tremors, fever, diarrhea or agitation and consult your doctor if you experience them. Your doctor may discontinue the medicines accordingly.

Severe

Desvenlafaxine (Oral Route)

Watch out for symptoms such as tremors, fever, dizziness, lightheadedness, drowsiness, nervousness, restlessness, nausea, vomiting, diarrhea or agitation and consult your doctor if you experience them. Your doctor may discontinue the medicines accordingly. Desvenlafaxine may raise blood levels of Dextromethorphan Hydrobromide.

Severe

Vortioxetine (Oral Route)

Watch out for symptoms such as tremors, fever, diarrhea or agitation and consult your doctor if you experience them. Your doctor may discontinue the medicines accordingly.

Frequently asked questions

Is dextromethorphan a steroid/an opiate/an antihistamine/ a narcotic/an NSAID/a controlled substance/contain alcohol/have codeine?

Dextromethorphan is a decongestant and not a steroid, antihistamine, opiate, NSAID or narcotic, but can have addictive effects if taken at large doses than recommended. It does not contain codeine or alcohol. It is not a controlled substance

Does dextromethorphan work/ how much dextromethorphan can I take for cough?

Dextromethorphan works for most of the patient. It should be taken in amounts exactly as directed on the label, or as prescribed by your doctor. Cough medicine is usually taken only for a short time until your symptoms clear up. Do not use the medication in larger amounts, or use it for longer than recommended

Is dextromethorphan safe/ does dextromethorphan makes you sleepy/make you tired/ raise blood sugar?

Dextromethorphan causes mild sedation effect thus can make you feel sleepy. It does not raise blood sugar or make you tired. Dextromethorphan is generally safe if taken at recommended doses and duration

Can i take dextromethorphan with high blood pressure/ safe for high blood pressure/ raise blood pressure/ thin blood?

Though it isn't reported, but it should be used carefully in people with high blood pressure, as dextromethorphan may cause high blood pressure and the effectiveness of dextromethorphan is decreased by high blood pressure medications

Can I take dextromethorphan with benzonatate/acetaminophen/codeine/ibuprofen/ diphenhydramine/pseudoephedrine/guaifenesin/Tamiflu/Benadryl?

Drug interaction with any of the above mentioned drugs is not documented, but it can occur. Always follow your doctor's advice before taking any medicine with dextromethorphan.

Fact Box

Chemical Class

Morphinans

Habit Forming

Therapeutic Class

RESPIRATORY

Action Class

Cough Suppressants

References

Schumacher MA, basbaum AI, Way WL. Opioid Analgesics & Antagonists. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 547.
ScienceDirect. Dextromethorphan Hydrobromide. [Accessed 01 Apr. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
Dextromethorphan hydrobromide [EMC SmPC]. High Wycombe, Buckinghamshire: McNeil Products Limited; 2022. [Accessed 06 Apr. 2024] (online) Available from:
Dextromethorphan hydrobromide. Dublin, Ireland: Haleon Ireland Ltd.; 2025. [Accessed 07 Jan. 2026] (online). Available from:

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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Dr Arvind Lifescience Pvt Ltd
Address: 703, Swagat Building, Lal Bungalow Cross Road, C G Road, Ahmedabad - 380009, Near Lal Bunglow

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Provide right medicines

Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose

In accordance with the law

Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Dexwin 20mg Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Dexwin Tablet

Benefits of Dexwin Tablet

Side effects of Dexwin Tablet

How to use Dexwin Tablet

How Dexwin Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Moclobemide (Oral Route)

Tranylcypromine (Oral Route)

Ziprasidone (Oral Route)

Desvenlafaxine (Oral Route)

Vortioxetine (Oral Route)

Frequently asked questions

Is dextromethorphan a steroid/an opiate/an antihistamine/ a narcotic/an NSAID/a controlled substance/contain alcohol/have codeine?

Does dextromethorphan work/ how much dextromethorphan can I take for cough?

Is dextromethorphan safe/ does dextromethorphan makes you sleepy/make you tired/ raise blood sugar?

Can i take dextromethorphan with high blood pressure/ safe for high blood pressure/ raise blood pressure/ thin blood?

Can I take dextromethorphan with benzonatate/acetaminophen/codeine/ibuprofen/ diphenhydramine/pseudoephedrine/guaifenesin/Tamiflu/Benadryl?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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