
Allerbloc-M Tab
Solariz Healthcare Pvt Ltd - Tablet - 10mg + 5mg - 10 S
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De Allergi Ab Tablet is used for relief of allergy symptoms such as sneezing, runny/blocked nose, itchy/watery eyes, itching and urticaria (hives).
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
This is an anti-allergic medicine (typically an antihistamine). It blocks the action of histamine, a chemical released during allergic reactions, thereby reducing sneezing, itching, watery eyes and runny nose.
Take as prescribed by a doctor. Swallow the tablet whole with water, with or without food. If it causes drowsiness, prefer taking it in the evening and avoid driving/operating machinery.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Take the missed dose of De Allergi Ab as soon as you remember. If it is almost time for the next dose, skip the missed one and carry on with the usual schedule. Do not take two doses together to make up for a missed dose.
Taking more De Allergi Ab than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Most side effects of De Allergi Ab are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Consult doctor |
|---|---|
| Alcohol | Avoid |
| Habit forming | No |
May cause drowsiness—avoid driving or operating machinery if affected. Use with caution in glaucoma, enlarged prostate/urinary retention, liver or kidney disease, and in the elderly. Do not self-medicate for children without medical advice. Seek medical help if breathing difficulty, facial swelling or severe rash occurs.
Alcohol and other CNS depressants (sedatives, sleeping pills, opioids) may increase drowsiness; anticholinergic medicines may worsen dry mouth/urinary retention; some antihistamines have interactions with strong CYP inhibitors—consult doctor/pharmacist with your full medication list.
Store at room temperature (below 25°C), protected from light and moisture. Keep out of reach of children.

Solariz Healthcare Pvt Ltd - Tablet - 10mg + 5mg - 10 S
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Prescription required

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The information on De Allergi Ab Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.