---
title: "Kirkland Allergy Medicine — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/kirkland-allergy-medicine"
last_updated: "2026-08-12T15:00:07.562Z"
locale: en
meta:
  description: "Amazon product research for kirkland allergy medicine: $33K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for kirkland allergy medicine: $33K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Kirkland Allergy Medicine — Amazon US Product Research"
---

# **Kirkland Allergy Medicine**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 55Growth 44Conversion 98Competition 24Returns 100Price range 85Avg price 89Brand share 0Review moat 18Quality gap 15

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****16.2%**

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

**Avg price**

**Great****$20.68**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.60–$51.46**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Good****$396K**

$396K/yr · 118K searches

**Growth**

**Okay****+15.0%**

90-day search growth — must beat 0% to launch

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Review moat**

**Bad****16,862.07**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.8★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Is kirkland allergy medicine profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, kirkland allergy medicine is a $396K/yr Amazon United States market (118K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 49/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **kirkland allergy medicine market size & sales**

Units sold, revenue, conversion and listing quality across the tracked shelf.

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 1,250–1,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$310K–$414K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**16.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#234**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**50%**</dd>

<dt>**Sponsored**</dt><dd>**43%**</dd>

<dt>**Out of stock**</dt><dd>**2.4%**</dd>

<dt>**Avg brand age**</dt><dd>**86 months**</dd>

<dt>**Avg seller age**</dt><dd>**165 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**4 **▼falling

**Sellers**

**95**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**71%**

Top 20: 100%

**Open market**

**0%**

- KIRKLAND63% - ValuMeds19% - Amazon Basic Care16% - GoodMeds2% - Open — no brand owns it (0%)

## **kirkland allergy medicine demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +15.0% search growth over the last 90 days.

3K2KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 2.1×

[**Open Trend **](https://flapen.com/research/us/health-household/kirkland-allergy-medicine/trend)

## **Top kirkland allergy medicine search terms shoppers use**

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

- **allertec**30K/yr+19.6%14.3% conv. - **kirkland allergy medicine**25K/yr+33.0%8.5% conv. - **allertec kirkland 365**17K/yr-2.9%12.9% conv. - **aller tec**6K/yr+19.6%8.6% conv. - **aller-tec**7K/yr+2.9%11.1% conv. - **alertec**4K/yr+46.5%11.9% conv. - **aller-tec 365 tablets kirkland prime**5K/yr+14.9%13.4% conv. - **kirkland allergy pills**4K/yr+51.4%7.2% conv. - **kirkland allertec**6K/yr-33.3%9.2% conv. - **kirkland allergy**3K/yr+37.3%7.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/kirkland-allergy-medicine/search-terms)

## **Top kirkland allergy medicine products & what they sell for**

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$40K20%$79K30%$119K40%$158K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Kirkland Signature Aller-tec 10mg Tablets - 365 ct - 3 pk](https://m.media-amazon.com/images/I/412v3G2xQ8L.jpg)**Kirkland Signature Aller-tec 10mg Tablets - 365 ct - 3 pk**KIRKLAND**$51.46**4.8★165 rev](https://www.amazon.com/dp/B01FXMOVZ4) [2![ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (300 Count)](https://m.media-amazon.com/images/I/41BmHsVUpJL.jpg)**ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (300 Count)**ValuMeds**$11.04**4.7★36,515 rev](https://www.amazon.com/dp/B07KFPLDGB) [3![Amazon Basic Care All Day Allergy Cetirizine Hydrochloride Tablets 10 mg 24-Hour Relief for Allergy 300 Count (Packaging may vary)](https://m.media-amazon.com/images/I/41MCz57UzoL.jpg)**Amazon Basic Care All Day Allergy Cetirizine Hydrochloride Tablets 10 mg 24-Hour Relief for Allergy 300 Count (Packaging may vary)**Amazon Basic Care**$11.79**4.7★70,891 rev](https://www.amazon.com/dp/B074F145Y1) [4![Kirkland Signature Aller-tec 10mg Tablets - 365 ct](https://m.media-amazon.com/images/I/41UvdkGb05L.jpg)**Kirkland Signature Aller-tec 10mg Tablets - 365 ct**KIRKLAND**$16.06**4.8★3,800 rev](https://www.amazon.com/dp/B0036DEALS) [5![ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (500 Count)](https://m.media-amazon.com/images/I/41EmMF2Sl5L.jpg)**ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (500 Count)**ValuMeds**$15.77**4.7★36,515 rev](https://www.amazon.com/dp/B0F1V9N7ZT)

**~~View all top sellers →~~**

### **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)](https://m.media-amazon.com/images/I/41vIbxJpwOL.jpg)**GoodMeds Allergy Medicine Antihistamine Diphenhydramine HCl 25 mg | Children and Adults | Relieve Itchy Eyes Runny Nose Sneezing (25 mg 600 Tablets)**GoodMeds**$9.60**534 rev6mo ago](https://www.amazon.com/dp/B0GF3BCLGY) [![ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (500 Count)](https://m.media-amazon.com/images/I/41EmMF2Sl5L.jpg)**ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (500 Count)**ValuMeds**$15.77**36,515 rev8mo ago](https://www.amazon.com/dp/B0F1V9N7ZT) [![Amazon Basic Care All Day Allergy Cetirizine Hydrochloride Tablets 10 mg 24-Hour Relief for Sneezing Runny Nose Itchy Eyes & Throat Indoor & Outdoor Allergy Relief 365 Count](https://m.media-amazon.com/images/I/41XxbkhwxbL.jpg)**Amazon Basic Care All Day Allergy Cetirizine Hydrochloride Tablets 10 mg 24-Hour Relief for Sneezing Runny Nose Itchy Eyes & Throat Indoor & Outdoor Allergy Relief 365 Count**Amazon Basic Care**$14.50**70,891 rev4y ago](https://www.amazon.com/dp/B08ZF5GN5B) [![Kirkland Signature Aller-Tec 365 Tablets](https://m.media-amazon.com/images/I/41qF1j4L5CL.jpg)**Kirkland Signature Aller-Tec 365 Tablets**KIRKLAND**$20.97**1,823 rev7y ago](https://www.amazon.com/dp/B07R5G8PYR) [![ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (300 Count)](https://m.media-amazon.com/images/I/41BmHsVUpJL.jpg)**ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (300 Count)**ValuMeds**$11.04**36,515 rev7y ago](https://www.amazon.com/dp/B07KFPLDGB)

**~~View all new products →~~**

### **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)](https://m.media-amazon.com/images/I/41vIbxJpwOL.jpg)**GoodMeds Allergy Medicine Antihistamine Diphenhydramine HCl 25 mg | Children and Adults | Relieve Itchy Eyes Runny Nose Sneezing (25 mg 600 Tablets)**GoodMeds**$9.60**4.8★**▲ 215%**](https://www.amazon.com/dp/B0GF3BCLGY) [![Kirkland Brand Diphenhydramine HCI 25 Mg (1 800 Count)-Allergy Medicine and AntihistamineCompare to Active Ingredient of Benadryl Allergy Generic](https://m.media-amazon.com/images/I/51Ie+oIU1RL.jpg)**Kirkland Brand Diphenhydramine HCI 25 Mg (1 800 Count)-Allergy Medicine and AntihistamineCompare to Active Ingredient of Benadryl Allergy Generic**KIRKLAND**$32.48**5.0★**▲ 199%**](https://www.amazon.com/dp/B07CJ2TV2P) [![Diphenhydramine HCI 25 Mg - Kirkland Brand - Allergy Medicine and AntihistamineCompare to Active Ingredient of Benadryl Allergy Generic - 600 Count Personal Healthcare / Health Care](https://m.media-amazon.com/images/I/41IVQJnf-WL.jpg)**Diphenhydramine HCI 25 Mg - Kirkland Brand - Allergy Medicine and AntihistamineCompare to Active Ingredient of Benadryl Allergy Generic - 600 Count Personal Healthcare / Health Care**KIRKLAND**$9.78**4.8★**▲ 107%**](https://www.amazon.com/dp/B00EXPTGHG) [![Kirkland Signature Aller-tec 10mg Tablets - 365 ct - 3 pk](https://m.media-amazon.com/images/I/412v3G2xQ8L.jpg)**Kirkland Signature Aller-tec 10mg Tablets - 365 ct - 3 pk**KIRKLAND**$51.46**4.8★**▲ 27%**](https://www.amazon.com/dp/B01FXMOVZ4) [![ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (300 Count)](https://m.media-amazon.com/images/I/41BmHsVUpJL.jpg)**ValuMeds 24-Hour Allergy Medicine Antihistamine for Pollen Hay Fever Dry Itchy Eyes Allergies | Cetirizine HCl 10mg Caplets Compare to Leading Brand (300 Count)**ValuMeds**$11.04**4.7★**▲ 20%**](https://www.amazon.com/dp/B07KFPLDGB)

**~~View all trending →~~**

## **What reviews say buyers love and hate about kirkland allergy medicine**

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

### **What buyers love **

**Value For Money**31%

*“Great deal”*

**Allergies**18%

*“Good allergy relief”*

**Efficiency**11%

*“it does a pretty great job”*

**Advertised Vs Actual Product**11%

*“As advertised”*

**Quality-Overall**8%

*“Just as good as the name brand”*

**Dosage**3%

*“dosage as my usual one”*

**Sinus Relief**2%

*“Sinus Relief”*

**Ease Of Chewing/Swallowing**1%

*“Great value and love that they are chewable for the kiddos with flavor”*

**Ingredients-Overall**1%

*“This has the exact same active ingredients”*

**Fever Relief**1%

*“these pills really help reduce symptoms”*

### **What buyers complain about **

**Allergies**29%

*“my skin was itchy”*

**Functionality-Overall**14%

*“Not as effective as other brands”*

**Advertised Vs Actual Product**6%

*“Not as pictured”*

**Dosage**5%

*“No info on the dosage”*

**Sleep Quality**3%

*“It does not make me sleepy”*

**Value For Money**3%

*“Cheaper isnt always better unfortunately”*

**Side Effects**2%

*“This medicine made me sick”*

**Quality-Overall**2%

*“Not as good as the Name brands”*

**Durability**1%

*“will start to break at about 18 hours”*

**Strength**1%

*“Need stronger”*

## **Common kirkland allergy medicine questions**

<dl>

<dt>**Is kirkland allergy medicine profitable to sell on Amazon United States?**</dt><dd>The niche generates $396K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.0%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the kirkland allergy medicine niche?**</dt><dd>4 brands and 95 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in kirkland allergy medicine?**</dt><dd>Top complaints mined from reviews: Allergies, Functionality-Overall, Advertised Vs Actual Product. The return rate is 0.0%.</dd>

<dt>**When does demand for kirkland allergy medicine peak?**</dt><dd>Demand peaks in Mar–Apr; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the kirkland allergy medicine niche?**</dt><dd>Listings span $9.60–$51.46; the average listing price is $20.68 (sweet spot $15–$100). The average incumbent carries 16,862 reviews — the moat a new listing must climb.</dd>

</dl>

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