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Allevia Tablets

From £2.95 See Prices

Allevia tablets are an antihistamine containing fexofenadine 120mg. They are used to treat the symptoms of hay fever and allergy.

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Allevia Tablets PRICES

Medicine x7 Tablets x15 Tablets x30 Tablets x60 Tablets x90 Tablets x180 Tablets
Allevia 120mg Tablets £2.95 £5.45 £9.49 £18.89 £27.99 £49.99

About Allevia

Key points

  • Works within 1 hour
  • Lasts for up to 24 hours
  • Non-drowsy antihistamine


Buy Allevia online

You can buy Allevia tablets online from Chemist Click. We offer next-day delivery from our UK-based pharmacy.

What is Allevia?

Allevia is a hay fever tablet which contains the ingredient fexofenadine hydrochloride. It helps to control symptoms such as:

  • Sneezing
  • Itchy, runny or a blocked nose
  • Itchy and watery eyes
  • Itchy skin


Allevia works by blocking the release of histamine, a chemical produced by the body in response to an allergen, such as pollen or dust.

How long does Allevia take to work?

It takes one hour for Allevia tablets to work, but the full effect may not be seen until a few a days of consistent use.

The effects last for up to 24 hours.

Allevia dosage instructions

Take one tablet daily with water, before a meal.

Important note: The maximum dose is one tablet daily. You should not exceed the stated dose.

Suggested reading: What dose of fexofenadine should I take?

Can you get Allevia 180mg?

Allevia is only available as 120mg tablets.

If you require a higher strength, visit our fexofenadine 180mg product page.

Allevia ingredients

Active ingredient: Fexofenadine hydrochloride

Inactive ingredients: Pregelatinized maize starch, magnesium stearate, croscarmellose sodium, microcrystalline cellulose, hypromellose, povidone K30, colloidal anhydrous silica, macrogol 400, titanium dioxide (E171), red iron oxide (E172) and yellow, iron oxide (E172).

Can I take these tablets if I am lactose intolerant?

Allevia tablets do not contain lactose and are safe to take if you are lactose intolerant.

Allevia side effects

Like all medication, side effects are possible, although not everyone gets them. Allevia side effects include:

Common: Affecting up to 10% of users:

  • Headache
  • Drowsiness
  • Dizziness
  • Nausea


Uncommon: Affecting up to 1% of users:

  • Fatigue


Seek medical assistance if you experience:

  • Swelling of the face, mouth, lips, throat, or tongue
  • Difficulty breathing


You should always report side effects to your doctor or pharmacist.

Suggested reading: What are the side effects of fexofenadine?

Does Allevia make you drowsy?

Allevia is a non-drowsy antihistamine. However, around 10% of users will be affected by drowsiness.

Allevia warnings

Do not take Allevia if:

  • You are allergic to any of the ingredients


Speak to your doctor or pharmacist if you want to take Allevia and:

  • You have kidney or liver problems
  • You have heart disease
  • You are elderly

Allevia and pregnancy

Do not take Allevia if you are pregnant, unless advised by your doctor.

Allevia and breastfeeding

Most of the time, Allevia is safe to take whilst breastfeeding. However, you should always check with your doctor or pharmacist beforehand.

Allevia interactions

Allevia can interact with the following medicines:

  • Some anticancer medicines (such as tepotinib, apalutamide, vemurafenib)
  • Heartburn medication which contains magnesium and aluminum
  • Some antidepressants – such as phenelzine, isocarboxazid, tranylcypromine
  • Some medication used to treat an irregular heartbeat – such as dronedarone
  • Some antivirals – such as pribentasvir, velpatasvir
  • Some antifungals – such as ketoconazole
  • Some antibiotics – such as rifampicin, erythromycin
  • Some medication used to treat arthritis – such as filgotinib, leflunomide
  • Teriflunomide – used in the treatment of multiple sclerosis
  • Letermovir – used in stem cell transplants

Allevia alternatives

Allevia vs fexofenadine

  • Both contain the same ingredient, fexofenadine hydrochloride
  • There may be differences in the non-active ingredients
  • This is the case for other brands of OTC fexofenadine such as Allegra and Treathay


Other antihistamine tablets include:


  1. Electronic Medicines Compendium. (n.d.). Fexofenadine 180mg film-coated Tablets - Summary of Product Characteristics (SmPC). Retrieved February 22, 2024, from

  2. NHS UK. (n.d.). Fexofenadine. Retrieved February 22, 2024, from

Yes, you can buy Allevia over the counter.

To find out more, visit our article: Can you buy Fexofenadine over the counter?

You should only take one tablet a day.

No, the maximum dose is one tablet daily.

Yes, but in moderation. Excess alcohol consumption can cause drowsiness.

Product Reviews For Allevia Tablets

Summary For Allevia Tablets

Medication class Non-drowsy antihistamine
Mechanism of action Blocks histamine release
Active ingredient Fexofenadine
Strength 120mg
Effective within 1 hour
Dosage instructions Take one tablet daily
Manufacturer Sanofi
Use with alcohol In moderation


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