Telfast (Fexofenadine)

Telfast is an oral, non-sedating prescription-only medication for allergies and hay fever. It belongs to a class of drugs known as antihistamines and contains an active ingredient called fexofenadine hydrochloride. The dosage varies according to the severity of the allergy.
Telfast 120mg & 180mg
Picture of Telfast (Fexofenadine)
Telfast 120mg & 180mg
Picture of Telfast (Fexofenadine)
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Telfast (Fexofenadine)

Telfast is an oral, non-sedating prescription-only medication for allergies and hay fever. It belongs to a class of drugs known as antihistamines and contains an active ingredient called fexofenadine hydrochloride. The dosage varies according to the severity of the allergy.


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Telfast is an antihistamine drug that helps treat the symptoms of allergic conditions such as rhinitis, urticaria and hay fever. Some symptoms that are well managed by fexofenadine include sneezing, itching or a runny nose.

Telfast tablets are used to treat seasonal allergic rhinitis, also known as hay fever. Telfast can also be used to manage allergic reactions, and skin conditions such as hives.

Telfast contains a form of non-sedating chemical as its active ingredient, known as fexofenadine hydrochloride. This ingredient prevents the actions of histamine, a substance that is naturally produced by the body as a response to foreign particles such as pollen or dust. Histamine acts on the histamine receptors in the cells, resulting in a chain reaction that causes allergy.

This allergy can lead to symptoms such as inflammation of the eyes, nose or airways passages, resulting in a runny or blocked nose, watery or itchy eyes and sneezing.

Fexofenadine hydrochloride blocks the histamine receptors and thus stops the chain reaction which results in allergy symptoms. It usually starts showing its effect within half an hour to an hour after taking a dose.

Fexofenadine also helps relieve the itchy skin rash called idiopathic urticaria, a form of skin reaction that you get without any apparent cause. Fexofenadine blocks the actions of histamine, thereby reducing the rash and relieving the itching.

The main benefit of Telfast is that its active ingredient, which is Fexofenadine, helps relieve the symptoms of hay fever such as:

  • Inflammation

  • Itching

  • Running or inflamed nasal passages

  • Watery eyes

  • Runny or blocked nose

For children (aged 6 to 11 years) suffering from hay fever, the recommended Telfast dose is one 30 mg tablet taken twice a day, once in the morning and once in the evening.

For adults and adolescents above 12 years with hay fever, the recommended Telfast dose is one 120 mg tablets taken once daily.

For patients suffering from chronic idiopathic urticaria in adults and adolescents above 12 years, the recommended Telfast dose is one 180 mg tablet taken once daily.

Telfast is usually taken only during seasonal rhinitis to reduce the symptoms of occasional allergies. However, it may also be taken as a precautionary medicine if you anticipate a higher pollen count in the air which may trigger your allergy.

For chronic urticaria, a regular daily dose will be recommended for a certain period until your skin rash improves.

Telfast tablets should be swallowed whole with a sip of water before taking your meal. Do not take a double dose if you miss one dose.

People with the following conditions should not use Telfast:

  • If you are allergic to Fexofenadine hydrochloride or any other active ingredient

  • If you are taking any other antihistamine medicines

  • If you are taking medicines orally that help treat bacterial or antifungal infections such as erythromycin, ketoconazole

Be careful about taking Telfast if:

  • You have a history of heart disease

  • You have kidney or liver issues

  • You are elderly

  • You take ingesting medicines that contain aluminium or magnesium

Women who are pregnant or breastfeeding must also be careful and consult our team before taking the medicine.

People consuming alcohol while taking the medicine may increase their chances of experiencing side effects while taking the medicine.

Common side effects of Telfast medicine include:

  • Headache

  • Drowsiness

  • Nausea

  • Dizziness

Talk to your pharmacist or GP before taking Telfast if you are taking the following medicines:

  • midodrine (low blood pressure)

  • ketoconazole (fungal infections)

  • erythromycin (antibiotic)

  • ritonavir or lopinavir (medicines used to treat HIV infection)

  • rifampicin (an antibiotic)

  • indigestion medicines that contain aluminium or magnesium (keep a gap of about 2 hours between fexofenadine and your indigestion medicine)

  • medicines that make you feel sleepy, give a dry mouth or makes it difficult to urinate (Telfast might worsen these side effects)

You can safely purchase Telfast online at MedsNow. Firstly, you will have an online consultation with  member of our team. Post consultation, once the prescriber ensures that Telfast is the right drug for you, your order will be supplied to your doorstep.

Is It Okay To Drive After Taking Telfast?
Telfast is classified as a non-drowsy antihistamine drug. However, the side effects could be different for different people. If you are taking this medicine for the first time, see how you feel before choosing to drive. If the medication makes you drowsy you should avoid driving whilst taking it.

Do I Take Telfast Before Or After Food?
Telfast is best taken before food.

How Quickly Does Telfast Work?
Telfast usually starts showing its effect within half an hour to an hour after taking a dose.

Can I Take Telfast Every Day?
Yes, this medicine shows the best results when taken every day.

Is It Okay To Take Indigestion Remedies With Telfast?
If you wish to take ingestion medicines, keep a gap of about 2 hours between Telfast and the indigestion medicines.

Will Telfast Make Me Drowsy?
Telfast is classified as a non-drowsy antihistamine drug. However, some people may experience drowsiness.

How Many Telfast 180 Can I Take?
It is usually recommended to take only one 180 mg Telfast tablet in a day. Consult our team for the dose best suited for you.

Can I Take Telfast When I Am Pregnant Or Breastfeeding?
You should consult our team if you are pregnant or breastfeeding before using Telfast.

Is It Safe To Take Fexofenadine For A Long Time?
Fexofenadine is unlikely to cause harm when taken for a long time. But it's best to take the medicine only for the time duration as recommended to you by your prescription.

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