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Telfast

Telfast

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Telfast Fexofenadine Tablets for Allergy Relief

 

You can rely on Telfast tablets to provide effective relief from allergic reactions including hay fever, pet allergies, and dust mite sensitivities. Each tablet contains fexofenadine hydrochloride, a non-drowsy antihistamine that blocks histamine receptors to reduce your allergy symptoms. Unlike older antihistamines, fexofenadine is designed to work without crossing the blood-brain barrier, which means you can take it during the day without experiencing drowsiness.

Telfast belongs to a class of medicines called second-generation antihistamines. When you're exposed to allergens like pollen, pet dander, or house dust mites, your immune system releases histamine, causing symptoms such as sneezing, runny nose, and itchy eyes. Our allergy and hay fever treatments help you manage these reactions effectively throughout the year.

 

How Fexofenadine Works in Your Body

 

When you take a Telfast tablet, the fexofenadine is absorbed into your bloodstream and begins working within one hour. The medicine selectively blocks H1 histamine receptors in your peripheral tissues, preventing histamine from binding and triggering allergic symptoms. This targeted action means you experience relief from sneezing, nasal congestion, and itchy, watery eyes without the sedating effects associated with first-generation antihistamines.

The effects of telfast fexofenadine typically last for 24 hours, making it suitable for once-daily dosing. Your liver metabolises only a small amount of the medicine, with most being eliminated unchanged through your kidneys and bile, which contributes to its favourable safety profile.

 

Who Should Consider Telfast Antihistamine Treatment

 

Telfast is suitable for adults and children over 12 years who experience seasonal or perennial allergic rhinitis. You may find this treatment particularly helpful if you need to remain alert during work or study, as it doesn't impair cognitive function or cause drowsiness in most people. The medicine is also appropriate for those with chronic urticaria (hives) who require long-term antihistamine therapy.

  • Adults and adolescents over 12 years with hay fever symptoms
  • People who experience year-round allergies to dust mites or pet dander
  • Those who need non-drowsy relief during working hours
  • Individuals with chronic hives requiring daily antihistamine treatment

 

Why Choose Non-Drowsy Antihistamine Therapy

 

The non-sedating properties of fexofenadine make it particularly valuable for maintaining your daily routine while managing allergy symptoms. Clinical studies demonstrate that fexofenadine doesn't significantly affect psychomotor performance, reaction times, or cognitive function at therapeutic doses. This means you can drive, operate machinery, and perform complex tasks safely while taking your medication.

Unlike some antihistamines that may interact with certain foods or other medicines, fexofenadine has fewer drug interactions, though you should still inform your pharmacist about all medicines you're taking. The medicine doesn't typically cause anticholinergic side effects such as dry mouth, constipation, or urinary retention that can occur with older antihistamines.

 

Clinical Suitability and Storage Requirements

 

You should store your Telfast tablets in their original packaging at room temperature, away from moisture and direct sunlight. The tablets remain stable for the duration of their shelf life when stored correctly. If you have kidney problems, your doctor may need to adjust your dose, as fexofenadine is primarily eliminated through the kidneys.

Before starting treatment, inform your healthcare provider if you're pregnant, breastfeeding, or planning to become pregnant. While fexofenadine is generally considered safe during pregnancy, your doctor will assess whether the benefits outweigh any potential risks for your specific situation.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

 

Recommended Telfast Dosage for Adults

You should take one Telfast tablet once daily, preferably at the same time each day to maintain consistent symptom control. Swallow the tablet whole with water, and you can take it with or without food, though taking it on an empty stomach may result in faster absorption. Do not crush, chew, or break the tablet as this may affect how the medicine is released in your body.

When and How to Take Your Medication

For seasonal allergies, you may start taking Telfast before your allergy season begins and continue throughout the period when you're exposed to allergens. If you forget to take a dose, take it as soon as you remember, unless it's almost time for your next dose. In this case, skip the missed dose and continue with your regular schedule. Never take a double dose to make up for a forgotten tablet, as this may increase your risk of side effects.

Understanding Telfast Side Effects

Like all medicines, Telfast can have side effects, although not everyone will experience them. Most people tolerate fexofenadine well, with side effects typically being mild when they do occur. If you're managing multiple health conditions, you may find our skin care products helpful for addressing any skin-related symptoms.

The most commonly reported side effects include headache, drowsiness (though less common than with other antihistamines), and nausea. These effects are usually temporary and may decrease as your body adjusts to the medication.

  • Headache
  • Drowsiness or fatigue
  • Nausea
  • Dizziness
  • Dry mouth
  • Stomach upset or indigestion
  • Back pain
  • Upper respiratory tract infections
  • Menstrual pain in women
  • Muscle pain
  • Fever
  • Sleep disturbances

If you experience these or any other side effects, speak to your doctor or pharmacist right away. For more information about reporting side effects please see the MHRA Yellow Card Scheme.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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