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  • Loratadine

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Loratadine is a non-drowsy antihistamine that provides relieve for hay fever (allerfgic rhinitis) and hives. It usually works within 60 minutes and can relieve symptoms for up to 24 hours



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Tuesday, 27th October
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12h 31m 9s

What is Loratadine?

Loratadine is an antihistamine which is used as a hay fever treatment. It blocks the production of histamine, a substance produced by your body during an allergic reaction. It is used to reduce symptoms such as itching, sneezing, hives, a runny nose or watery eyes and other allergy symptoms

How do I take it?

Take Loratadine exactly as you have been advised by your GP or pharmacist. The usual dose is one tablet daily. This medication should be swallowed whole and can be taken before or after eating. If your symptoms have not improved after 3 days of this treatment, contact your GP or pharmacist for advice.

If you miss a dose, take it at as soon as you remember, and take the following dose at the correct time. Do not double dose to make up for a missed dose.

How long does it take for Loratadine to work?

It takes around 1 hour for Loratadine to work and it provides relief for up to 24 hours.

Who should not use Loratadine?

You should not take this medication if you are allergic to loratadine, or any of the ingredients in the tablet which can be found in its patient information leaflet

You should seek advice from your pharmacist or GP before taking Loratadine if:

  • You or any of your family members have a history of liver problems
  • You are about have a skin test
  • You have taken, are currently taking, or are planning to take any other medication
  • You are pregnant, planning to get pregnant, or breast-feeding
  • You have an intolerance to sugars

Loratadine does not cause drowsiness in most people. However, you should ensure that it does not make you feel drowsy before driving or operating machinery.

Does Loratadine interact with other medication?

Medication that may interact with Loratadine include but are not limited to the following:

Moderate Reactions:

  • Amiodarine
  • Bosentan
  • Etravirine
  • Histamine Phosphate
  • Lefamulin
  • Pitolisant
  • Voriconazole

Minor Reactions:

  • Armodafanil
  • Clarithomycin
  • Erythromycin
  • Modafanil

If you take medication and you think there may be an interaction, please ask your pharmacist for advice. 

Can Loratadine make you sleepy?

Loratadine is a non-drowsy antihistamine. However, a small number of people may experience drowsiness after taking a tablet. 

Side Effects of Loratadine

Loratadine may cause side effects for some people. If you notice any side effects, stop treatment and contact your GP or pharmacist for advice. In the case of an emergency, discontinue treatment and go to your nearest hospital.

Commonly reported side effects include but are not limited to:

  • Drowsiness
  • Headaches
  • Difficulty sleeping
  • Increased appetite

Very rare side effects include but are not limited to:

  • Fast or irregular heartbeat
  • Nausea
  • Dry mouth
  • Liver problems
  • Hair loss
  • Tiredness
  • Convulsion

If experience any of these side effects, or side effects that have not been mentioned, discontinue treatment and seek medical advice.

Where can I find out more information?

You can find out more information by reading the Product Information Leaflet

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