Telfast (Fexofenadine Hydrochloride)


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Telfast is an antihistamine to treat the symptoms of seasonal allergic rhinitis or hay fever. The active ingredient in Telfast tablets is Fexofenadine Hydrochloride.

  • Treats hay fever and seasonal allergies
  • Relieves sneezing and itching
  • Doesn't cause drowsiness
  • Genuine medication
  • All drugs sourced in the UK
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Type of drugantihistamine
Health conditions prescribed forhay fever, allergic rhinitis
Active ingredientFexofenadine Hydrochloride
Brand nameTelfast
Available strength120mg, 180mg
Available asTablets
Possible side effectsheadache, dizziness, tiredness, nausea

Fexofenadine Hydrochloride

Telfast is an antihistamine to treat the symptoms of seasonal allergic rhinitis or hay fever. Telfast is an effective antihistamine especially if you have previously tried other non-prescription antihistamines without success. The active ingredient in Telfast tablets is Fexofenadine Hydrochloride. You can take Telfast alongside a nasal spray for hay fever and eyed drops when necessary.

Telfast is used to treat hay fever in adults and children who are six years of age and over. It is also used for the treatment of long-term itchy nettle-type hives or rash in adults and adolescents twelve years old and over.

Telfast is only available on prescription in the UK. You cannot purchase this medication over the counter.

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For more information on the prescription medication patients should refer to the Telfast 120 and Telfast 180 patient information leaflet.

Telfast works by preventing the actions of histamine, a substance naturally produced by the body in response to foreign substances such as pollen. Histamine acts on the histamine receptors in the cells, causing a chain reaction that results in allergy symptoms.

In allergic reactions such as hay fever, histamine usually leads to the inflammation of the nose, eyes, or airways, which results in watery, itchy eyes, a runny or blocked nose, and sneezing. In allergic skin reactions, histamine causes the skin to be inflamed, to form rashes, and become itchy.

Telfast blocks the histamine receptors and effectively stops the chain reaction that causes the allergy symptoms. Telfast usually starts becoming effective within half an hour to an hour after taking a dose.

Telfast also relieves itchy skin rash called idiopathic urticaria, which is similar to the nettle-type of hives or rash that is a common symptom when you get a skin reaction for no apparent cause. Telfast blocks the actions of histamine to relieve the itching and reduces the rash that is common with this condition.

The main benefit of using Telfast is the relief it provides against the symptoms of hay fever and other allergic reactions. Telfast effectively blocks the action of histamine to effectively prevent the inflammation, itching, and other symptoms of hay fever.

Telfast Tablet

For allergic rhinitis, your doctor may suggest that you take a dose of Telfast only when needed in order to reduce the occasional allergy symptoms. Your doctor may also suggest that you take a dose if you anticipate that you will get the symptoms of hay fever, such as when you became aware that there is an impending high pollen count. If the symptoms of allergic rhinitis are more persistent or frequent, your doctor may recommend that you take Telfast regularly every day during the pollen season in order to prevent your symptoms.

For chronic urticaria, your doctor will ask you to regularly take a dose every day for a certain period of time until the rash shows improvement.

Telfast tablets should be swallowed whole with a sip of water before you eat your meal. This medication is most effective if taken every day for persistent symptoms of allergic reactions. Do not double the dose of Telfast if you miss a dose. Do not compensate for a missed dose.

For hay fever in children aged six to eleven years the recommended Telfast dose is one 30 mg tablet taken twice a day, one in the morning and another one in the evening.

Telfast 120

For hay fever in adults and adolescents aged 12 years and over the recommended dose is one 120 mg tablets taken once daily.

Telfast 180

For the treatment of chronic idiopathic urticaria in adults and adolescents aged 12 years and over the recommended dose is one 180 mg tablet taken once daily.

Buy Telfast

You can safely buy Telfast online at UK Meds. You will need to have first an online consultation with a pharmacist independent prescriber before your order will be supplied. The online consultation will ensure that Telfast is the right medication for your medical condition.

Telfast Boots

No. At the time of writing, Telfast is not available at Boots in the UK. However, should you wish to purchase Telfast, you can do so at UK Meds. Additionally, if you would like to purchase more than lot of Telfast tablets, you can benefit from further savings at UK Meds.


Content author

Scott Weaver

Medical Content Writer • Bachelor of Arts Degree

Scott is an experienced, skilled content writer dedicated to creating helpful and accessible medical content for UK Meds.

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