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Dilosyn Tablet

Methdilazine (8mg)
Genuine
Authenticity Assured
Prescription
required
Dilosyn Tablet is an antiallergic medication used in the treatment of various allergic conditions. It provides relief from symptoms such as runny nose, sneezing, congestion, and itchy and watery eyes.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 22 Jul 2026 | 01:05 AM (IST)
₹15.1 MRP ₹18.1417% off 
 
 
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Dilosyn Tablet image
Dilosyn Tablet image

Product introduction

Dilosyn Tablet may be taken with or without food. Take it exactly as prescribed by your doctor. The dose and how often you take it will depend on what you are being treated for. Your doctor will decide how much you need to improve your symptoms. Take it for as long as it is prescribed to you. In case, you have missed any doses, take the next dose as soon as you remember it. However, you should never take a double dose.

Sleepiness is the most common side effect of this medicine. Avoid driving or attention-seeking activity. In some cases, it may cause dryness of mouth. To prevent dry mouth, drink more water and maintain good oral hygiene.

Before taking this medicine, let your doctor know if you have glaucoma or have any gastro-related issues, or have high blood pressure. Inform your doctor if you are pregnant, or breastfeeding. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Generally, it is advised to avoid alcohol while on treatment.

Uses of Dilosyn Tablet

Benefits of Dilosyn Tablet

Treatment of Allergic conditions
Dilosyn Tablet is used to treat many different inflammatory and allergic conditions. It works by lowering your immune system’s response to these conditions and prevents the release of substances in the body that cause inflammation. It helps relieve symptoms such as swelling, pain, itching, and other allergic-type reactions. If you are not sure why you are being given this medicine, ask your doctor.

This medicine is given orally (by mouth). You should always take it as it has been prescribed for you. Do not stop taking it without your doctor’s advice. This can cause unpleasant withdrawal symptoms. Because this medicine weakens your immune system, you should avoid being near people who are ill or have infections.

Side effects of Dilosyn 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 Dilosyn
  • Sleepiness
  • Dryness in mouth

How to use Dilosyn 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. Dilosyn Tablet may be taken with or without food.

How Dilosyn Tablet works

Dilosyn Tablet is an antihistaminic medication. It blocks the action of certain chemical messengers that are responsible for inflammation, congestion, itching, and other allergic reactions.

Quick tips

  • Avoid driving or operating dangerous machinery as it may decrease alertness.
  • Avoid consuming alcohol when taking the Dilosyn Tablet, as it may cause excessive sleepiness or drowsiness.
  • Avoid driving or operating dangerous machinery as it may decrease alertness.
  • Avoid consuming alcohol when taking the Dilosyn Tablet, as it may cause excessive sleepiness or drowsiness.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Dilosyn Tablet.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Dilosyn 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

Breast feeding

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

Driving

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

Kidney

CONSULT YOUR DOCTOR
There is limited data available on the use of Dilosyn Tablet in patients with kidney disease. Please consult your doctor.
Liver

Liver

CONSULT YOUR DOCTOR
There is limited data available on the use of Dilosyn Tablet in patients with liver disease.

Fact Box

Chemical Class

Phenothiazines

Habit Forming

No

Therapeutic Class

RESPIRATORY

Action Class

First-Generation H1 Antihistamines
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User feedback

Twice A Day
50%
Once A Day
43%
Thrice A Day
7%
Allergic conditions
67%
Others
33%
Poor
67%
Average
33%
Sleepiness
50%
No Side Effect
50%
With food
100%
Not Expensive
67%
Average
33%
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Disclaimer

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: Glaxo SmithKline Pharmaceuticals Ltd
Address: Dr. Annie Besant Road, Mumbai - 400 030

Vendor Details

Country of origin: India
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