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Phenergan

Fail

Shoppers spend only $11K a year here, so Phenergan is a Fail.

Flapen Score
40
40 / 100
Ranks 1,670 of 2,035 Health & Personal Care niches · −8 vs the category median of 48
Market size
£11K/yr117K searches / yr
90-day growth
+29.6%search demand this quarter
Competition
54%top-5 click share · 16 brands · 118 sellers

Flapen Score

Phenergan against its category

The dotted line is the Health & Personal Care average. Past it, Phenergan is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Phenergan market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Phenergan 117K times last year and spent an estimated £11K. The top 5 brands take 71% of clicks. Demand peaks in Sep–Oct. Flapen scores it 40 out of 100, a Fail.

01 · Demand

1.3% of searches ended in a purchase last week.

Shoppers searched for this 117K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 1.3% of those searches ended in a purchase. Searches in the last 90 days moved +29.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £11K a year.

Searches, last 12 months
117K
Growth, 90 days vs prior 90
+29.6%
Conversion, latest week
1.3%
Market size, estimated
£11Ka year
Peak month
October2.7× the quietest month
Top search term
chlorphenamine antihistamine tablets26K searches a year

02 · Price

A sale here is worth £7.30.

Listings sell for £7.30 on average, from £1.97 to £16.99. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £7.30 that is £730 to £2K a year per listing.

Average price
£7.30under the $15 to $100 sweet spot
Price range
£1.97–£16.99
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
£730–£2K
Returns
0.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

61% of listings pay for placement with sponsored ads. 74% ship with Prime. On an average day, 8.6% of listings are out of stock. The average listing ranks #50 within Allergy & Asthma Relief. It carries 2,329 reviews at 4.68 stars, so a new listing needs social proof before a better product.

Sponsored listings
61%
Prime listings
74%
Out of stock, average day
8.6%
Average rank
#50in Allergy & Asthma Relief
Average rating
4.68 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,329per listing
Listings tracked
23

04 · Newcomers

Amazon counts 4 of last year's 5 launches as successful.

5 products launched here in the last 12 months. Amazon counts 4 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 49 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
4Amazon's first-year sales bar
Average brand age
49 months

Products

Top Phenergan products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 54% of clicks. Leaders hold, but buyers still shop past them.

£0£1K£2K£3K£4K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

16 rising

Sellers

118

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

54%

Top 20: 96%

Open market

25%

  • Generic32%
  • Benadryl17%
  • Amazon Basic Care8%
  • Vividrin7%
  • Galpharm6%
  • Sentanase4%

Demand

Phenergan search demand

Weekly searches over the year, seasonality beneath. Pick a range.

8K6KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 2.7×

Search terms

Top Phenergan search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • chlorphenamine antihistamine tablets26K/yr
  • chlorphenamine37K/yr
  • chlorphenamine maleate15K/yr
  • chlorphenamine maleate 4mg22K/yr
  • chlorphenamine tablets4K/yr
  • chlorphenamine 4mg5K/yr
  • piriton chlorphenamine maleate3K/yr
  • chlorpheniramine3K/yr

Reviews and returns

What reviews say buyers love and hate about Phenergan

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Functionality-Overall18%−0.15

Didn't work

Not very effective

Don't work, do absolutely nothing

Allergies17%−0.02

Itching

Allergy

making his skin bleed

Fever Relief8%+0.60

Doesn't manage my hay fever completely

Hay-fever tablets

Hay fever

Value For Money7%+1.59

expensive

Highly overpriced

Expensive

Side Effects5%−0.04

leave me feeling incredibly unwell

Side effects unpleasant

I think she is quite susceptible to the drowsy side effects of this sort of medication

Love

Value For Money24%+1.59

Excellent value for money

Great value

Fair price

Fever Relief12%+0.60

Great for hayfever

Perfect for my Hay fever

Goodbye Hay Fever

Quality-Overall12%+0.69

Ive found them to be reliable

I like this product its well made

Excellent product

Allergies11%−0.02

Great allergy relief, very effective

Good for allergies

No more itching

Advertised Vs Actual Product9%+0.88

As described

Work as they should

Does what it says i does works

FAQ

Common Phenergan questions

Answered from the same tracked data.