Telfast is a prescription-only antihistamine tablet taken once a day to treat hay fever. BuyTelfast from Click Pharmacy today.


6/15/2025 1:48:35 PM



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Telfast (Fexofenadine)

Telfast, containing fexofenadine, relieves allergy symptoms by blocking histamine action.

Medication features:

  • A prescription-only oral antihistamine
  • Treats the symptoms of hay fever and seasonal rhinitis
  • A non-sedating medication

Next Day Delivery Available

UK Registered Pharmacy

Price Match Guarantee

Expected Delivery: Tuesday

If you order within: 12h36m

Telfast (Fexofenadine) Prices

  • Medicine prices
  • Delivery Information
Medicine 30 tablets 60 tablets 90 tablets
Telfast (Fexofenadine) Generic £12.99 £21.99 £29.99
Telfast (Fexofenadine) Brand £16.99 £26.99 £35.99

Prices include free private prescription.

Delivery charges

Orders approved by our medical team before 3pm Monday – Friday are dispatched the same day via Royal mail. All orders are sent using a tracked and signed for service. Orders are not dispatched on weekends and bank holidays.

Royal Mail 1st Class | £3.95

Delivered within 1-3 working days. Excludes bank holidays. A tracked service with signature required on delivery.

Royal Mail Special Delivery Guaranteed before 1pm | £6.95

Delivered within 1 working day before 1pm. Excludes Sundays and bank holidays. A tracked service with signature required on delivery.

Find out more about our delivery service.

Refunds and returns – Read further information on return and refunds.

  • Overview
  • Directions
  • Cautions
  • FAQ

Buy Telfast online in the UK

You can order Telfast through our online UK pharmacy. Complete the online medical test before doing so. One of our prescribers will review your responses. If approved, our pharmacy team will post the medicine to you for next-day delivery.

About Telfast (Fexofenadine)

Telfast is used to treat the symptoms of both hay fever and rhinitis.

Hay fever is caused by breathing in pollen in the air. The reaction releases histamine in the body, which can cause:

  • Sneezing

  • Runny nose

  • Watery/itchy eyes

  • Hives

Rhinitis is inflammation inside the nose. It happens when the body reacts to pollen, dust or animal skin. Rhinitis may look like the common cold, but its symptoms can also include:

  • Dry cough

  • Facial pains

  • Tiredness

  • Watery/itchy eyes

Hay fever and rhinitis are common. They affect one in five people in the UK. Telfast helps to ease the symptoms of both. Its active ingredient is fexofenadine.

Telfast summary information

Type of medicine

Allergy relief


Relieves allergy symptoms

How it works

Blocks histamine action

Active Ingredient


Directions of use

Taken by mouth once a day.

Available strengths


Side effects

Feeling sleepy or sick, headaches, feeling dizzy



The information above is very general. It is important to talk to a GP or nurse before starting any allergy treatment.

How effective is Telfast?

Telfast is very good at dealing with hay fever symptoms. It can start working in 30 minutes. It is suitable for people who suffer from hay fever or rhinitis often.

How does Telfast work?

Hay fever and seasonal rhinitis occur when the body produces a chemical called histamine. This medicine blocks the histamine action and prevents it from affecting the body.

What's in Telfast?

The active ingredient in Telfast is fexofenadine. It is a type of antihistamine.

The tablets also contain some inactive ingredients.

Alternatives to Telfast

There are other medicines you can take for hay fever.

Over-the-counter options are:

  • Piriton. This comes as a syrup or tablet. It can make you feel sleepy.

  • Loratadine. This comes as a tablet. It shouldn’t make you feel sleepy. It is usually taken once a day.

  • Cetirizine. This comes as a tablet. It shouldn’t make you feel sleepy. It is usually taken once a day.

Prescription options are:

  • Optilast eye drops. These treat the symptoms of hay fever that affect the eyes.

  • Avamys. This is a steroidal nasal spray. It helps to reduce inflammation in the nose. You can take this with an antihistamine such as Telfast.

Do not mix Telfast with other antihistamines.

Name Jana Abelovska
Role Superintendent Pharmacist
GPhc Number 2220953

What dose should I choose?

You can take up to two 60 mg tablets a day. Please read the instructions that come with your medicine. You can also talk to your GP or one of the ClickPharmacy team.

We also have 120 mg and 180 mg tablets for the more challenging symptoms, such as hives and rashes. You must talk to your GP before deciding how much to take.

How should I take Telfast?

You should take Telfast with water. You can take it with or without food.

You should take Telfast for as long as you are told to by your GP.

If you are being treated for other medical issues, you must tell your GP before taking this medicine.

If you are going to have surgery that requires a general anaesthetic, you must tell your surgeon that you have been taking Telfast.

Do not take Telfast if you are:

  • Under 12 years old

  • Pregnant

  • Breastfeeding

  • Allergic to fexofenadine

  • Advised not to take it by your GP or pharmacist.

Side effects

Telfast does have some side effects. These are usually mild and should disappear over time. They may include:

  • Feeling sleepy

  • Feeling sick

  • Headaches

  • Feeling dizzy

What is the difference between Telfast and Fexofenadine?

Telfast is the brand name. Fexofenadine is the active ingredient in Telfast.

Can I drink alcohol while taking Telfast?

You should avoid alcohol while taking Telfast.

Can children use Telfast?

Telfast should not be taken by children under the age of six.

Can older people use Telfast?

Telfast tablets are not suitable for people over 65. This is because there is not enough research on the effect of this medicine for this age group. Talk to your GP about other medicines you can take.

Telfast (Fexofenadine) Reviews

How to order medications from us

Order your medication in a few clicks. Our process is easy, fast and secure.

Step 1

Short Medical Assessment

Fill out a questionnaire so our prescriber can assess if the treatment is suitable for you.

Step 2

Select Preferred Medication

Choose the medication you require from the range offered by our online pharmacy.

Step 3

Next Day

Add delivery details and complete payment process.

Price £12.99

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Available options:

Generic Brand


Price £12.34

Includes free private prescriptions

In stock

2024/06/15 2024/06/16

Order before 15:00pm (Monday to Friday) for next day delivery