---
title: "Antihistamine Tablets — £2.5M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/antihistamine-tablets"
last_updated: "2026-07-31T06:34:34.285Z"
locale: en
meta:
description: "Niche score 59/100 · £2.5M/yr market · 1.4M searches/yr · £7.97 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 59/100 · £2.5M/yr market · 1.4M searches/yr · £7.97 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Antihistamine Tablets — £2.5M/yr Amazon UK Niche (2026) - Flapen"
---
# **antihistamine tablets**
**Launch it**
A $2.5M/yr market growing +59.7% this quarter with returns at 0.0% — clears our launch bar.
Market size 95Growth 75Conversion 100Competition 20Returns 100Price range 47Avg price 22Brand share 34Review moat 24Quality gap 23
**Conversion**
**Incredible****22.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****£2.5M**
£2.5M/yr · 1.4M searches
**Growth**
**Good****+59.7%**
90-day search growth — must beat 0% to launch
**Price range**
**Okay****£2.77–£26.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****5,136.09**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£7.97**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, antihistamine tablets is a £2.5M/yr Amazon United Kingdom market (1.4M searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 59/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **antihistamine tablets market data**
- **Units sold / yr**
- **300K–400K**
- avg 15,000–20,000/product
- **Revenue / yr**
- **£2.4M–£3.2M**
- units × avg price
- **Conversion rate**
- **22.3%**
- **Avg BSR**
- **#8**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **73%**
- **Out of stock**
- **4.8%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**95**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**10%**
- Allevia46% - PillPharm15% - Clarityn9% - Amazon Basic Care8% - BESTOPE PRO7% - 6 Months Supply Cetirizine Hayfever Allergy Tablets 30 x 66% - Open — no brand owns it (3 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +59.7% search growth over the last 90 days.
70K50KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/antihistamine-tablets/trend)
## **Top antihistamine tablets search terms**
- **hayfever tablets**321K/yr+110.1%17.2% conv. - **antihistamine tablets**485K/yr+32.5%17.1% conv. - **allevia**164K/yr+100.3%25.2% conv. - **allevia 180mg tablets x 60**49K/yr+145.1%23.7% conv. - **allergy tablet**67K/yr-2.7%14.5% conv. - **antihistamine**46K/yr+27.7%11.3% conv. - **alevia hayfever tablets**30K/yr+97.9%29.4% conv. - **hay fever tablets for adults**23K/yr+103.7%17.0% conv. - **anti histamine tablets**36K/yr+16.4%18.2% conv. - **clarityn allergy tablets**24K/yr+35.0%33.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/antihistamine-tablets/search-terms)
## **Top antihistamine tablets products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%£250K20%£499K30%£749K40%£998K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Allevia Hayfever Allergy Tablets Prescription Strength 120 mg Fexofenadine 24hr Relief Acts Within 1 Hour Including Sneezing Watery Eyes Itchy and Runny Nose 30 Tablets**Allevia**£6.35**4.5★12,899 rev](https://www.amazon.co.uk/dp/B09QQRZ4M5) [2**Cetirizine Hayfever and Allergy Tablets | 12 Months Supply | 30 Tablets x 12**PillPharm**£6.36**4.7★1,075 rev](https://www.amazon.co.uk/dp/B0F2G7TMSF) [3**Clarityn Allergy Relief Tablet | Hayfever Relief Tablet | Loratadine | Antihistamine | All day maximum strength symptom relief with one tablet per day | 30 count (pack of 1)**Clarityn**£4.62**4.6★10,055 rev](https://www.amazon.co.uk/dp/B014V3BOYM) [4**Amazon Basic Care Hayfever & Allergy Relief 10mg Tablets Cetirizine Hydrochloride 30 Tablets (Pack of 1) - Effective Relief from Hayfever Skin Allergies Dust Allergies and Pet Allergies**Amazon Basic Care**£2.77**4.6★398 rev](https://www.amazon.co.uk/dp/B0FBM9PJSJ) [5**Allevia 120mg Allergy Relief Tablets | 90 cts (3 Packs of 30 cts) | 120mg Fexofenadine | 24hr Relief Acts Within 1 Hour | Non-drowsy in Most People | Relieves Hayfever Pet Dust and Mould Allergies**Allevia**£17.44**4.7★1,283 rev](https://www.amazon.co.uk/dp/B0D4ZCDR6C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Amazon Basic Care Hayfever & Allergy Relief 10mg Tablets Cetirizine Hydrochloride 30 Tablets (Pack of 1) - Effective Relief from Hayfever Skin Allergies Dust Allergies and Pet Allergies**Amazon Basic Care**£2.77**398 rev1y ago](https://www.amazon.co.uk/dp/B0FBM9PJSJ) [**Allevia 120mg Allergy Relief Tablets | 90 cts (3 Packs of 30 cts) | 120mg Fexofenadine | 24hr Relief Acts Within 1 Hour | Non-drowsy in Most People | Relieves Hayfever Pet Dust and Mould Allergies**Allevia**£17.44**1,283 rev2y ago](https://www.amazon.co.uk/dp/B0D4ZCDR6C) [**Histallay Hayfever & Allergy Relief Tablets 30 Tablets 120mg Fexofenadine Antihistamine 24hr Relief Acts Within 1hr Relieves Hayfever Pet Dust and Mould Allergies**HISTALLAY**£5.48**1,263 rev2y ago](https://www.amazon.co.uk/dp/B0CQP98Z2Z) [**Cetirizine Hayfever and Allergy Tablets | 12 Months Supply | 30 Tablets x 12**PillPharm**£6.36**1,075 rev2y ago](https://www.amazon.co.uk/dp/B0F2G7TMSF) [**Crescent 6 Months Supply Cetirizine Hayfever Allergy Tablets 30 x 6 Packs | 180 Tablets**6 Months Supply Cetirizine Hayfever Allergy Tablets 30 x 6**£3.76**3,940 rev2y ago](https://www.amazon.co.uk/dp/B0CPJM6MV7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Galpharm Treathay Hayfever Relief Fexofenadine Hydrochloride Tablets 120mg Up to 24hrs Relief from Hayfever Sneezing Itchy Eyes and Runny Noses 30 Tablets**Galpharm**£4.93**4.7★**▲ 26%**](https://www.amazon.co.uk/dp/B09X5MCT4D) [**Allevia 120mg Allergy Relief Tablets | 90 cts (3 Packs of 30 cts) | 120mg Fexofenadine | 24hr Relief Acts Within 1 Hour | Non-drowsy in Most People | Relieves Hayfever Pet Dust and Mould Allergies**Allevia**£17.44**4.7★**▲ 16%**](https://www.amazon.co.uk/dp/B0D4ZCDR6C) [**Cetirizine Hayfever and Allergy Tablets | 12 Months Supply | 30 Tablets x 12**PillPharm**£6.36**4.7★**▲ 14%**](https://www.amazon.co.uk/dp/B0F2G7TMSF) [**Allevia Hayfever Allergy Tablets Prescription Strength 120 mg Fexofenadine 24hr Relief Acts Within 1 Hour Including Sneezing Watery Eyes Itchy and Runny Nose 30 Tablets**Allevia**£6.35**4.5★**▲ 10%**](https://www.amazon.co.uk/dp/B09QQRZ4M5) [**Piriteze Hayfever & Allergy Antihistamine Tablets Cetirizine for Allergy Symptom Relief Adults & Children 6+ 30 Tablets**Piriteze**£5.77**4.6★**— 10%**](https://www.amazon.co.uk/dp/B001RYUBU2)
**~~View all trending →~~**
## **What buyers say about antihistamine tablets**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**38%
*“They are affordable”*
**Advertised Vs Actual Product**10%
*“DID THE JOB AS EXPECTED”*
**Allergies**10%
*“Allergy free”*
**Quality-Overall**10%
*“I like this product its well made”*
**Fever Relief**9%
*“Great for hayfever”*
**Efficiency**7%
*“Works effectively”*
**Dosage**2%
*“Great pills”*
**Ease Of Chewing/Swallowing**2%
*“Easy to swallow”*
**Side Effects**1%
*“No side effects”*
**Strength**1%
*“Effective”*
### **What buyers complain about **
**Functionality-Overall**24%
*“Didn't work”*
**Allergies**15%
*“making his skin bleed”*
**Value For Money**10%
*“Half the price as expensive ones same results”*
**Fever Relief**9%
*“Doesn't relieve hay-fever symptoms at all”*
**Side Effects**4%
*“cetirizine have very little effect for them”*
**Quality-Overall**3%
*“Cheap and the same as branded”*
**Sinus Relief**2%
*“still cant breathe out my nose”*
**Size-Overall**2%
*“Quite a big tablet compared to others”*
**Sleep Quality**2%
*“do make me sleepy”*
**Dosage**1%
*“really dont work well for me...taking 4x dose daily and still not stopping runny nose and itchy eyes”*
### **Top return reasons **
**Advertised Vs Actual Product**67%
**Dosage**33%
## **Common questions**
- **Is antihistamine tablets profitable to sell on Amazon United Kingdom?**
- The niche generates £2.5M/yr across 11 tracked products. 90-day search growth is +59.7%. Flapen's verdict: Launch it (59/100).
- **How competitive is the antihistamine tablets niche?**
- 9 brands and 95 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in antihistamine tablets?**
- Top complaints mined from reviews: Functionality-Overall, Allergies, Value For Money. The return rate is 0.0%.
- **When does demand for antihistamine tablets peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the antihistamine tablets niche?**
- Listings span £2.77–£26.04; the average listing price is £7.97 (sweet spot $15–$100). The average incumbent carries 5,136 reviews — the moat a new listing must climb.
## **Related niches in Health & Personal Care**
- 69 [**ear plugs**](https://flapen.com/research/uk/health-personal-care/ear-plugs)£3.4M/yr-1.1%**Worth a look**- 70 [**collagen**](https://flapen.com/research/uk/health-personal-care/collagen)£6.6M/yr-20.1%**Worth a look**- 70 [**dry skin remover feet**](https://flapen.com/research/uk/health-personal-care/dry-skin-remover-feet)£236K/yr+78.2%**Worth a look**- 70 [**stryde knee strap**](https://flapen.com/research/uk/health-personal-care/stryde-knee-strap)£112K/yr>1,000%**Worth a look**- 70 [**cinnamon tablets**](https://flapen.com/research/uk/health-personal-care/cinnamon-tablets)£62K/yr+118.2%**Worth a look**- 70 [**water retention tablets**](https://flapen.com/research/uk/health-personal-care/water-retention-tablets)£470K/yr+47.2%**Worth a look**[**All Health & Personal Care niches **](https://flapen.com/research/uk/health-personal-care)