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Allevia Tablets 7 to 180 tablets
from
£2.95
Allevia tablets are an antihistamine containing fexofenadine 120mg. They are used to treat the symptoms of hay fever and allergy.
Allevia Tablets 7 to 180 tablets
Buy Allevia online
You can buy Allevia tablets online from Chemist Click. We offer next-day delivery from our UK-based pharmacy.
Allevia Tablets Prices
| Name & Dosage | x7 Tablets | x15 Tablets | x30 Tablets | x60 Tablets | x90 Tablets | x180 Tablets |
|---|---|---|---|---|---|---|
| Allevia Tablets 120mg Tablets | £2.95 | £5.45 | £9.49 | £18.89 | £27.99 | £49.99 |
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 |
About Allevia
Key points
- Works within 1 hour
- Lasts for up to 24 hours
- Non-drowsy antihistamine
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.
Important note: The maximum dose is one tablet daily. You should not exceed the stated dose.
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.
Does Allevia make you drowsy?
Allevia is a non-drowsy antihistamine. However, around 10% of users will be affected by drowsiness.
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:
Allevia Dosage Instructions
Take one tablet daily with water, before a meal.
Suggested reading: What dose of fexofenadine should I take?
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?
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 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 and Pregnancy/Breastfeeding
Do not take Allevia if you are pregnant, unless advised by your doctor.
Most of the time, Allevia is safe to take whilst breastfeeding. However, you should always check with your doctor or pharmacist beforehand.
Frequently Asked Questions
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
Superintendent Pharmacist
Written by Chemist Click
First created 28th April 2025
Last reviewed 2nd October 2025
Sources
- Electronic Medicines Compendium. (n.d.). Fexofenadine 180mg film-coated Tablets - Summary of Product Characteristics (SmPC). Retrieved February 22, 2024, from https://www.medicines.org.uk/emc/product/13208/
- NHS UK. (n.d.). Fexofenadine. Retrieved February 22, 2024, from https://www.nhs.uk/medicines/fexofenadine/
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