Information about Loratadine

Loratadine Uses

Loratadine is used in the treatment of allergic conditions.

How Loratadine works

Loratadine is an antihistaminic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.

Common side effects of Loratadine

Sleepiness, Headache, Increased appetite
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Reviewed By
MBA, MD Pharmacology
Last updated
13 Jun 2023 | 11:26 AM (UTC)

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Available Medicine for Loratadine

LormegAlembic Pharmaceuticals Ltd
25 to ₹542 variant(s)
AlortiMohrish Pharmaceuticals
701 variant(s)
LadEmpiai Pharmaceuticals Pvt Ltd
521 variant(s)
LordilPsychotropics India Ltd
401 variant(s)
BecotabIntas Pharmaceuticals Ltd
111 variant(s)
ClaridinMorepen Laboratories Ltd
19 to ₹482 variant(s)
FozilIntel Pharmaceuticals
501 variant(s)
LorzetMedicowin Remedies (P) Ltd
451 variant(s)
OnlordElder Pharmaceuticals Ltd
431 variant(s)
AlastinLeeford Healthcare Ltd
491 variant(s)

Expert advice for Loratadine

  • Your doctor has prescribed Loratadine to help relieve allergy symptoms such as itching, swelling, and rashes.
  • As compared to other similar medications, it is much less likely to make you feel sleepy.
  • Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
  • Do not drink alcohol while taking this medication as it may cause increased sleepiness.
  • Stop taking Loratadine at least three days before taking an allergy test as it can affect the test results.
  • Loratadine should not be given to children under 12 years of age.
  • Patients with underlying medical conditions like liver, kidney disorders, diabetes, convulsions, etc. should consult their treating doctor before consuming Loratadine.

Frequently asked questions for Loratadine


Q. How quickly does Loratadine work?

Loratadine starts working within an hour of taking it. The maximum benefit of this medicine is seen within 6 hours and the effect lasts for 24 hours.

Q. Is Loratadine effective?

Loratadine is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Loratadine too early, the symptoms may return or worsen.

Q. Can Loratadine cause heart problems?

Yes, Loratadine may cause fast or irregular heartbeat and palpitations, especially in patients with heart problems. Patients who are already suffering from heart disease should remain careful while taking Loratadine. Therefore, inform your doctor if you have heart problems.

Q. What if I forget to take a dose of Loratadine?

If you have missed a dose of Loratadine, take it as soon as you remember it. However, if it is almost time for your next dose, take it in the regular schedule instead of taking the missed dose. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Q. Does Loratadine relieve symptoms of outdoor and indoor allergies?

Yes, Loratadine relieves the symptoms of upper respiratory allergies or hay fever which can be caused by outdoor and indoor allergens. It relieves the symptoms of itchy or watery eyes, runny nose, and sneezing, or itching of the nose or throat.

Q. Can Loratadine make you sleepy?

Yes, drowsiness is a common side effect of this medicine. However, it does not affect everyone. But in case the drowsiness starts hampering your daily life, consult your doctor who might suggest another anti-allergic medicine which does not cause sleepiness.

Q. Can you overdose on Loratadine?

No, never take an overdose of any medicine. Overdose of Loratadine may cause dizziness, drowsiness, fatigue and dry mouth. If you accidentally take more than the recommended dose of Loratadine, seek emergency medical service in a nearby hospital or contact your doctor immediately.


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