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Dec Tablet

Written By Dr. Syeda Aafia, MBA, BDS
Reviewed By Dr. Lalit Kanodia, MBA, MD Pharmacology
Last updated on 19 Sep 2025 | 03:31 PM (IST)
Dec Tablet is a combination medicine that is used in the treatment of parasitic infections. It works by decreasing the muscular activity and paralysing the worms. It also increases the stickiness of mucus, thereby helping in its removal from the airways.
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₹47.1 MRP ₹51.569% off 
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General Information

Contains

Guaifenesin (250mg)+ Diethylcarbamazine (NA)+ Chlorpheniramine Maleate (NA)

Marketer

Commonwealth Pharmaceuticals

Storage

Store below 30°C
The content is shown in English
Dec Tablet image
Dec Tablet image

Product introduction

Dec Tablet is taken with food in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects are nausea, loss of appetite, headache, and allergic reactions. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. This medicine may also cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can make dizziness worse.

Before taking it, you should tell your doctor if you have any liver diseases so that your doctor can prescribe a suitable dose for you. Pregnant or breastfeeding women should also consult their doctor before taking this medicine.

Uses of Dec Tablet

  • Parasitic infections

Benefits of Dec Tablet

Parasitic infections
Dec Tablet helps treat parasitic worm infections. It works by killing and stopping the further growth of parasites causing the infection. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all parasites are killed and do not become resistant.

Side effects of Dec 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 Dec
  • Nausea
  • Loss of appetite
  • Sleepiness
  • Headache
  • Allergic reaction

How to use Dec 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. Dec Tablet is to be taken with food.

How Dec Tablet works

Dec Tablet is a combination of three medicines: Guaifenesin, Diethylcarbamazine and Chlorpheniramine Maleate which treat parasitic infections. Guaifenesin is an expectorant which decreases the stickiness of mucus (phlegm), helping in its removal from the airways. Diethylcarbamazine is an antiparasitic medicine which works by decreasing the muscular activity and causing paralysis of the worms. Chlorpheniramine Maleate is an antiallergic which decreases the raised eosinophil count (white blood cells) and controls allergic symptoms like cough and breathlessness.

Quick tips

  • You have been prescribed Dec Tablet to treat a variety of parasitic worm infections.
  • Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment.
  • Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection.
  • Always wash your hands: 
    1. After using the toilet.
    2. Before, during, and after preparing food.
    3. Before eating food.
    4. Before and after caring for a person who is sick.
    5. After touching an animal or animal waste.
  • Cook food to its recommended internal temperature.
  • Always boil your water to make it safe to drink.

Safety advice

Alcohol

Alcohol

UNSAFE
Dec Tablet may cause excessive drowsiness with alcohol.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Dec Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Dec Tablet during breastfeeding is not available. Please consult your doctor.
Driving

Driving

UNSAFE
Dec Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

SAFE IF PRESCRIBED
Dec Tablet is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Dec Tablet may not be needed in these patients. Please consult your doctor.
Use of Dec Tablet may cause excessive sleepiness in patients with end stage kidney disease.
Liver

Liver

CAUTION
Dec Tablet should be used with caution in patients with liver disease. Dose adjustment of Dec Tablet may be needed. Please consult your doctor.
Limited information is available on the use of Dec Tablet in these patients.

Fact Box

Habit Forming

No

Therapeutic Class

ANTI INFECTIVES

References

  1. ScienceDirect. Guaifenesin. [Accessed 09 Apr. 2019] (online) Available from:
  2. PubChem. Guaifenesin. [Accessed 09 Apr. 2019] (online) Available from:
  3. DailyMed. Chlorpheniramine maleate. [Accessed 09 Apr. 2019] (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: Commonwealth Pharmaceuticals
Address: NO. 12, 19TH AVENUE, ASHOKNAGAR, MADRAS 600 083. NAGAR, MADRAS 600 083. Chennai TN 000000 IN , - , .

Vendor Details

Country of origin: India

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