Telfast (Fexofenadine)

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Telfast (fexofenadine) is a fast acting antihistamine used to treat symptoms associated with hay fever.

What is Telfast and what is in it?

Telfast is an antihistamine medication used to treat symptoms of hay fever, or seasonal allergic rhinitis. It contains the active ingredient fexofenadine hydrochloride, a non-sedating antihistamine also present in generic Fexofenadine. Hay fever is characterised by a runny, itchy and blocked nose; itchy, red and watering eyes; and sneezing.

How should I use Telfast?

For adults, a Telfast tablet should be taken at a dose of 120mg once a day before a meal. If you forget a dose, do not take a double dose to make up for the forgotten one.

How fast does it work?

The antihistamine effects of Telfast can begin to work after about an hour, with the maximum effect 6 hours after taking the tablet with water.

How long does it last?

Telfast can last up to 24 hours.

What is the difference between Telfast and Fexofinadine?

Telfast is the branded and more expensive version of generic Fexofenadine, which both contain the same active ingredient and are medically equivalent.

What is Allegra?

It is another brand name for the active ingredient fexofenadine hydrochloride. Allegra is only available in the US, but it is sold in the UK under the name Telfast.

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Common side effects (may affect up to 1 in 10 people):
headache
drowsiness
feeling sick (nausea)
dizziness
Uncommon side effects (may affect up to 1 in 100 people):
tiredness
sleepiness

 Information Leaflet

Always read the patient information leaflet before commencing treatment.

Telfast Reviews

9.6/ 10
5
244
4
34
3
3
2
1
1
1
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Based on 283 independent customer reviews taken by Feefo (see all Feefo Reviews), Google and Trustpilot (see all Trustpilot Reviews).


left on Trustpilot

Product Review:

"Works perfectly without the drowsy feeling. "

"Very fast"

Product Review:

"Brilliant - much more effective than OTC meds"

Service Review:

"Very fast, easy to use service. OTC meds no longer effective with my all-year-round allergies and my GP always seems to mess up my repeat prescriptions. This may cost a little more but is absolutely hassle free."


(read on Feefo)
"Fast and convenient"

Product Review:

"The only thing that’s worked this hay fever season"

Service Review:

"Great service very fast and convenient"

"In-line this Pharmacy"

Product Review:

"Is amazing medication "

Service Review:

"In-line this Pharmacy, is very efficient."

"Excellent service"

Product Review:

"Does what it says on the tin"

Service Review:

"Excellent service very quick delivery and easy to use web site"

"Fast service and good reduction on bulk…"

Product Review:

"It seems to help more with hayfever and i appear to be less drowsy in the afternoons. "

Service Review:

"Fast service and good reduction on bulk order."

"Great"

Product Review:

"Exactly what I needed. Without hassle. "

Service Review:

"Great. Saved waiting days for a doctor to respond. So much easier to just be able to order online."


(read on Feefo)
"Fexofenadine 120mg"

Product Review:

"Brilliant buying again works after a few days to a week"

Service Review:

"I seriously have bad hay fever and this summer even the kenalog injection didn’t stop the symptoms but no joke after a week these tablets did just about to order more I think there my new go to rapid delivery also keep it up decent company"


(read on Feefo)
"Excellent service, very user friendly iwebsite"

Product Review:

"Truly worked wonders for me, a lot of nasal sprays and on the shelf tablets never helped too much. This has helped me so much; to the point I don’t feel I have any hayfever allergies or symptoms."

Service Review:

"The diversity in products and user friendly website is the perfect place for a lot of things. The deliveries have all arrived promptly. I highly recommend."


(read on Feefo)

Product Review:

"Five star service, quick, hassle free and even turned up earlier than predicted, will use them again"

Service Review:

"Five star service, quick, hassle free and even turned up earlier than predicted, will use them again"

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