generic benadryl
Skip itStrong incumbent ratings (4.8★) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible19.1%search→purchase rate — share of searches ending in a sale
Growth
Good+21.9%90-day search growth — must beat 0% to launch
Price range
Good$4.12–$26.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$10.67avg listing price — sweet spot $15–$100
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Market size
Bad$82K$82K/yr · 40K searches
Review moat
Bad17,759.77avg incumbent reviews — the moat a new listing must climb
Competition
Bad80%top-5 click share — a locked-up shelf
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, generic benadryl is a $82K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 43/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
generic benadryl market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $85K–$107K
- units × avg price
- Conversion rate
- 19.1%
- Avg BSR
- #143
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.0%
- Avg brand age
- 93 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
69
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
9%
- Amazon Basic Care54%
- GoodMeds12%
- GenCare12%
- Generic6%
- TIME-CAP LABS, INC.4%
- Benadryl4%
- Open — no brand owns it (4 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +21.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top generic benadryl search terms
- generic benadryl27K/yr
- benadryl generic7K/yr
- benadryl bulk4K/yr
- generic benadryl 25 mg2K/yr
- generic benadryl 50 mg 1000 count555/yr
Top generic benadryl 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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basic Care Complete Allergy Relief Diphenhydramine HCl 25 mg Easy to Swallow Mini-Tabs Relieves Sneezing Itchy Eyes Runny Nose Itchy Throat 400 Count
Amazon Basic Care$8.124.8★54,786 rev

Amazon Basic Care Allergy Relief Diphenhydramine HCl 25 mg Antihistamine Tablets for Symptoms Due to Hay Fever and Upper Respiratory Allergies Mini-Tabs 100 Count
Amazon Basic Care$4.124.8★54,786 rev

GoodMeds Allergy Medicine Antihistamine Diphenhydramine HCl 25 mg | Children and Adults | Relieve Itchy Eyes Runny Nose Sneezing (25 mg 600 Tablets)
GoodMeds$9.604.8★534 rev

GenCare Allergy Relief Medicine Bulk Value 600 Count Diphenhydramine 25mg Antihistamines for Adults for Congestion Sneezing Runny Nose Itchy Eyes & Throat Pink Generic Benadryl Tablets 25 mg
GenCare$9.644.8★21,246 rev

MedPlus Allergy Relief Medicine Diphenhydramine HCl 25 mg 1000 Tablets Antihistamine Relief for Indoor & Outdoor Allergies Made in USA
Generic$10.334.8★1,330 rev
Newest
by launch date
GoodMeds Allergy Medicine Antihistamine Diphenhydramine HCl 25 mg | Children and Adults | Relieve Itchy Eyes Runny Nose Sneezing (25 mg 600 Tablets)
GoodMeds$9.60534 rev

A+Health Allergy Relief Diphenhydramine HCl 25mg Tablets 600 Count Antihistamine for Relief of Runny Nose Sneezing Watery Eyes Large Value Size Bottle for Adults and Children 6 Years and Up
A+Health$8.5660 rev

MedPlus Allergy Relief Medicine Diphenhydramine HCl 25 mg 1000 Tablets Antihistamine Relief for Indoor & Outdoor Allergies Made in USA
Generic$10.331,330 rev

HealthA2Z Allergy Relief | Diphenhydramine HCL 25mg | Antihistamine | Relief from Itchy Throat Sneezing Runny Noses | Indoor & Outdoors Allergies (200 Caplets (Pack of 1))
HealthA2Z$5.452,441 rev

TIME-Cap Labs 650 Caplets Diphenhydramine HCl 25mg Allergy Relief Antihistamine for Adults Helps Relieve Sneezing Runny Nose Itchy Watery Eyes & Itchy Throat
TIME-CAP LABS, INC.$8.775,236 rev
Trending
90-day click momentum
GoodMeds Allergy Medicine Antihistamine Diphenhydramine HCl 25 mg | Children and Adults | Relieve Itchy Eyes Runny Nose Sneezing (25 mg 600 Tablets)
GoodMeds$9.604.8★

A+Health Allergy Relief Diphenhydramine HCl 25mg Tablets 600 Count Antihistamine for Relief of Runny Nose Sneezing Watery Eyes Large Value Size Bottle for Adults and Children 6 Years and Up
A+Health$8.564.9★

MedPlus Allergy Relief Medicine Diphenhydramine HCl 25 mg 1000 Tablets Antihistamine Relief for Indoor & Outdoor Allergies Made in USA
Generic$10.334.8★

Amazon Basic Care Complete Allergy Relief Diphenhydramine HCl 25 mg Easy to Swallow Mini-Tabs Relieves Sneezing Itchy Eyes Runny Nose Itchy Throat 400 Count
Amazon Basic Care$8.124.8★

Benadryl Allergy Medicine for Adults and Children 6 Years and Older Ultratablets 25 mg Diphenhydramine HCl for Indoor and Outdoor Allergies Antihistamine Tablets 100 Count Size
Benadryl$13.794.8★
What buyers say about generic benadryl
What buyers praise and complain about, mined from review topics.What buyers love
“much less expensive”
“Great for Allergies”
“Its a great product that delivers exactly what it promises”
“As advertised”
“It works quick and well”
“Sleeping great”
“The tablets are easy to take”
“easy to use”
“Easy to swallow”
“Clears my sinuses”
What buyers complain about
“having allergic reaction to something”
“Not very Effective”
“More than likely a placebo medication”
“It can make you a little sleepy”
“cheaper”
“Very small”
“Hard to open”
“Terrible compared to the regular ones”
“Half as strong as Benadryl”
“The pills have a chemical smell and chemical taste”
Common questions
- Is generic benadryl profitable to sell on Amazon United States?
- The niche generates $82K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +21.9%. Flapen's verdict: Skip it (43/100).
- How competitive is the generic benadryl niche?
- 10 brands and 69 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in generic benadryl?
- Top complaints mined from reviews: Allergies, Functionality-Overall, Dosage. The return rate is 0.0%.
- When does demand for generic benadryl peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the generic benadryl niche?
- Listings span $4.12–$26.12; the average listing price is $10.67 (sweet spot $15–$100). The average incumbent carries 17,760 reviews — the moat a new listing must climb.