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Prulastin-M Tablet

Written By Dr. Sakshi Jain, MS, BDS
Reviewed By Dr. Mekhala Chandra, MD, MBBS
Last updated on 06 Apr 2026 | 04:05 PM (IST)
Prulastin-M Tablet is a combination medicine used to treat allergic rhinitis, commonly known as hay fever. It helps relieve symptoms like sneezing, runny or blocked nose, itching, and watery eyes. It provides effective relief from allergy symptoms and improves breathing.
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Product introduction

To get the best results, take Prulastin-M Tablet exactly as prescribed by your doctor. It is usually taken once daily on an empty stomach, at least one hour before or two hours after meals, as food can affect its absorption. Avoid skipping doses, and do not stop the medication abruptly without consulting your doctor. To maximize its benefits, stay away from known allergens, keep your living environment dust-free, and maintain proper hydration.


Common side effects of Prulastin-M Tablet include headache, cough, fatigue, fever, abdominal pain, diarrhea, drowsiness, and otitis media. These symptoms are usually mild and go away on their own. If any of these side effects persist or bother you, let your doctor know. To reduce drowsiness, avoid alcohol and ensure you get enough rest.


While on Prulastin-M Tablet, do not drive or operate heavy machinery as it can cause dizziness or sleepiness. Pregnant or breastfeeding women should consult their doctor before using this medicine. If you have liver or kidney problems, asthma, or a history of mental health conditions, inform your doctor before starting the treatment.

Uses of Prulastin-M Tablet

Benefits of Prulastin-M Tablet

Treatment of Allergic rhinitis
Prulastin-M Tablet provides relief from allergic symptoms such as blocked or runny nose, sneezing, and itchy or watery eyes caused by seasonal hay fever (allergic rhinitis), seasonal allergies, and other allergies. It works by reducing certain substances in the body that are responsible for the allergic symptoms. Prulastin-M Tablet reduces swelling in the airways and gives relief from allergic reactions.

Side effects of Prulastin-M 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 Prulastin-M
  • Sleepiness
  • Allergic conjunctivitis
  • Pharyngitis
  • Sore throat
  • Headache
  • Abdominal pain
  • Upper respiratory tract infection
  • Fever
  • Cough
  • Diarrhea
  • Otitis media (infection of ear)
  • Influenza
  • Runny nose
  • Sinus inflammation

How to use Prulastin-M 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. Prulastin-M Tablet is to be taken on an empty stomach.

How Prulastin-M Tablet works

Prulastin-M Tablet is a combination of two medicines: bilastine and montelukast. Bilastine is an antiallergic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body. Montelukast works by blocking the action of leukotriene, a chemical messenger. This reduces inflammation in the airways to relieve symptoms of allergies.

Quick tips

  • Prulastin-M Tablet helps control allergy symptoms like sneezing, runny nose, and itching but does not cure the condition.
  • Stop taking Prulastin-M Tablet at least three days before taking an allergy test, as it can affect the test results.
  • Do not discontinue use without consulting your doctor, even if you feel better.
  • Taking more than the prescribed amount of Prulastin-M Tablet will not improve effectiveness but may increase side effects.
  • Prulastin-M Tablet should be taken before a meal, as food can reduce its absorption.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Prulastin-M Tablet. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Prulastin-M 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

CAUTION
Prulastin-M Tablet should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.
Driving

Driving

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

Kidney

CAUTION
Prulastin-M Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Liver

Liver

CAUTION
Prulastin-M Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Frequently asked questions

Prulastin-M Tablet is used to treat allergic rhinitis (runny nose, sneezing, itching, congestion).
You should contact a doctor immediately if you or your child notice serious side effects of Prulastin-M Tablet, such as mood or behavior changes (e.g., aggression, depression, thoughts of self-harm), swelling of the face, tongue, or throat, and severe allergic reactions or breathing problems.
Individuals should not take Prulastin-M Tablet if they are allergic to bilastine, montelukast, or any ingredient present in the Prulastin-M Tablet, have liver or kidney problems (talk to your doctor before using), etc. Also, do not give Prulastin-M Tablet to children under 6 years of age with a minimum body weight of 20 kilograms.
You should avoid consuming alcohol as it may increase drowsiness from Prulastin-M Tablet.
Your doctor will prescribe a tailored dose and duration of Prulastin-M Tablet based on the severity of the condition. You have to stick to the prescribed schedule for safer and faster results.
Stop taking Prulastin-M Tablet and contact your doctor immediately if you experience any serious symptoms. These may include difficulty in breathing, dizziness, or fainting. Also, watch out for swelling of the face, lips, tongue, or throat. Redness and swelling of the skin are other warning signs.
No, never share Prulastin-M Tablet with others, as it is not conclusive whether the other person with similar symptoms to yours is experiencing the same condition. Tell them to consult a doctor for a definitive diagnosis and tailored treatment.
Bilastine (medicine present in Prulastin-M Tablet) generally does not cause drowsiness. However, montelukast (medicine present in Prulastin-M Tablet) may cause dizziness, tiredness, or changes in mood in some people. You should avoid driving or using machines until you know how Prulastin-M Tablet affects you.

Fact Box

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RESPIRATORY
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User feedback

Allergic conditions
62%
Asthma
27%
Others
12%
Poor
47%
Excellent
28%
Average
25%
No Side Effect
70%
Flu-like symptoms
10%
Diarrhea
10%
Headache
10%
With food
100%
Average
61%
Not Expensive
28%
Expensive
11%
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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: Alkem Laboratories Ltd
Address: Alkem Laboratories Limited, Devashish Building, Alkem House, Senapati Bapat Road, Lower Parel, Mumbai - 400 013.

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Prulastin-M Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
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