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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

Incredible22.3%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.0%

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

Okay85%

top-5 brand share — brands hold most of the demand

Review moat

Bad5,136.09

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.97

avg listing price — sweet spot $15–$100

Competition

Bad76%

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

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 '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.6×

Top antihistamine tablets search terms

  • hayfever tablets321K/yr
  • antihistamine tablets485K/yr
  • allevia164K/yr
  • allevia 180mg tablets x 6049K/yr
  • allergy tablet67K/yr
  • antihistamine46K/yr
  • alevia hayfever tablets30K/yr
  • hay fever tablets for adults23K/yr
  • anti histamine tablets36K/yr
  • clarityn allergy tablets24K/yr
All 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 moat Market 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.

What buyers say about antihistamine tablets

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money38%

“They are affordable”

Advertised Vs Actual Product10%

“DID THE JOB AS EXPECTED”

Allergies10%

“Allergy free”

Quality-Overall10%

“I like this product its well made”

Fever Relief9%

“Great for hayfever”

Efficiency7%

“Works effectively”

Dosage2%

“Great pills”

Ease Of Chewing/Swallowing2%

“Easy to swallow”

Side Effects1%

“No side effects”

Strength1%

“Effective”

What buyers complain about

Functionality-Overall24%

“Didn't work”

Allergies15%

“making his skin bleed”

Value For Money10%

“Half the price as expensive ones same results”

Fever Relief9%

“Doesn't relieve hay-fever symptoms at all”

Side Effects4%

“cetirizine have very little effect for them”

Quality-Overall3%

“Cheap and the same as branded”

Sinus Relief2%

“still cant breathe out my nose”

Size-Overall2%

“Quite a big tablet compared to others”

Sleep Quality2%

“do make me sleepy”

Dosage1%

“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 Product67%
Dosage33%

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.