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💥 Fast fizz, faster relief—because cold days don’t wait!
Alka-Seltzer Cold & Flu + Congestion Severe Fast Dissolve Tablets deliver rapid, multi-symptom relief with a unique effervescent formula that dissolves quickly in water. Designed for adults, this citrus-flavored medicine tackles headache, body aches, fever, nasal congestion, cough, sore throat, runny nose, and sneezing. Clinically proven to start working within 15 minutes, it offers a convenient, portable solution with 24 individually wrapped doses per box. Trusted by millions and HSA/FSA eligible, it’s your go-to for severe cold and flu symptom management.









| ASIN | B0C79Y6S4P |
| Active Ingredients | Aspirin, Dextromethorphan, Phenylephrine |
| Age Range Description | Adult |
| Best Sellers Rank | #6,272 in Health & Household ( See Top 100 in Health & Household ) #25 in Cold & Flu Medicine |
| Brand | ALKA-SELTZER PLUS |
| Brand Name | ALKA-SELTZER PLUS |
| Customer Reviews | 4.8 out of 5 stars 2,690 Reviews |
| Flavor | Citrus Flavor |
| Global Trade Identification Number | 00016500598831 |
| Item Dimensions | 2.68 x 1.97 x 3.31 inches |
| Item Form | Tablet |
| Item dimensions L x W x H | 2.68 x 1.97 x 3.31 inches |
| Manufacturer | Bayer Healthcare LLC |
| Net Content Count | 1 count |
| Number of Items | 1 |
| Product Benefits | Cough Relief, Headache Relief, Nasal Relief |
| Specific Uses For Product | Alka-Seltzer Plus Severe, Cold & Flu Medicine, Citrus Effervescent Tablets, Nasa |
| UPC | 016500598831 |
| Unit Count | 24 Count |
I**N
Alka‑Seltzer Plus Severe Cold & Flu – Citrus Effervescent Tablets
1. First Impressions & Packaging Box design: The carton is bright, with a citrus‑colored stripe that instantly signals the “lemon‑lime” flavor inside. The front panel lists the major symptoms it tackles (nasal & sinus congestion, sneezing, runny nose, cough, sore throat) in large, easy‑to‑read type. Tablet count: 24 tablets per bottle – enough for a full 8‑day course if you take the recommended dosage (two tablets every 4–6 hours, not to exceed four doses per day). Convenience: The bottle is a standard, flip‑top plastic that opens easily but seals tightly enough to keep the tablets dry. I appreciate the small “pop‑up” insert that explains the “plop plop fizz fizz” – the reaction that makes the tablets dissolve quickly. Verdict: The packaging is practical, portable, and clearly communicates what the product does. No frills, but it works. 2. The “Plop Plop Fizz Fizz” Experience Dissolution: Drop two tablets into a glass of water. Within ~30 seconds they start bubbling (the classic Alka‑Seltzer fizz), and within a minute the solution becomes a mildly effervescent, citrus‑tasting drink. Flavor: The citrus flavor is bright but not overpowering. It’s sweetened just enough to mask the medicinal taste without feeling like a sugary soda. For those sensitive to strong menthol or menthol‑like flavors (common in many cold medicines), this is a welcome change. Palatability: I can comfortably drink the whole glass in ~10 seconds. No choking on foam, no lingering after‑taste once the liquid is swallowed. Verdict: The “plop plop fizz fizz” isn’t just a marketing gimmick; it genuinely makes the medicine feel like a quick‑acting, refreshing sip rather than a gritty tablet. 3. How Quickly Does It Work? Onset: Within 5‑10 minutes after drinking the solution, I felt a noticeable easing of the “tight” feeling in my sinuses. The “pressure” around my forehead and cheeks dulled, and my throat irritation softened. Peak Relief: Around the 30‑minute mark, the combination of acetaminophen (pain/fever relief), chlorpheniramine (antihistamine), and phenylephrine (decongestant) hits its stride. Nasal passages feel clearer, the cough becomes less forceful, and the sneezing frequency drops dramatically. Verdict: The effervescent delivery system appears to speed up absorption compared with standard tablets or caplets, giving a perceptible relief in under 10 minutes.
D**E
Good product
This always works for me when I am sick. It doesn’t taste too bad because of the orange flavor.
G**E
Very helpful product
Such a great product. If you start taking this the second you feel something, it will work. It's my go to for my family. Orange is the best flavor
S**3
My favorite
What more can I say but Alka-Seltzer is the best for severe flu and cold
J**T
Essentials
Love this brand! These are nice to keep in my house and easy to travel with. i start feeling better immediately when I need to use these. An old brand with quality products, a medicine cabinet necessity for sure.
C**.
Plop, Plop, Fizz, Fizz
I've never had any issue with this product. It's always come through when I was sick and it's very effective. Seems to work much better than a pill. It doesn't taste too bad and very easy to use. I would recommend it.
B**A
Better Than I Thought!
It does the job easing my cold symptoms. Nice effervescent flavor and I add it with ginger ale when I drink it. Good price here...stopped looking for it at the drugstore.
K**K
Stellar product, always reliable when I’m sick
Great product for helping me and my family through this cold or flu virus going around. But I also want to comment on Amazon‘s customer service. My family and I are pretty sick and we just wanted to feel a little bit better and as delivery mistakes can happen which is completely normal, there was a delay and the customer service representative helped me get things back on track by ensuring swift shipment of a replacement. They were so very helpful and I’m so very thankful to have such great customer service representatives at Amazon. Also stellar medicine in helping me function throughout the day without too much ‘medicine-head’ or grogginess. Also recommend the night time version of this!
Trustpilot
2 months ago
2 days ago