usefulHQ Guide
Almost every medicine on the shelf has a store brand sitting right beside it that is the exact same drug, because the FDA requires it to be. Omeprazole is Prilosec, loperamide is Imodium, guaifenesin is Mucinex, cetirizine is Zyrtec. The active ingredient is identical; the price is not. Here is the full map of what is really the same, and how much you keep by ignoring the famous box.
Reviewed July 2026. General information, not medical advice; always read the label and ask a pharmacist about what suits you.
There is one fact that makes the whole drugstore easier to shop: an over-the-counter store brand must, by law, contain the same active ingredient at the same strength as the national brand it copies, and be just as safe and effective. The store brand is not a knock-off or a similar product. For the part that does the work, it is the same medicine. What you pay extra for on the brand is the advertising, the recognisable box, and decades of being told the name means quality.
So the single most useful habit in the pharmacy is this: read the active ingredient on the brand box, then find the store brand with the same ingredient at the same strength. It is almost always on the same shelf, often directly below, at half the price. Below is the map for the medicines people buy most.
| Brand | The actual drug (buy this) | What it is for | You save |
|---|---|---|---|
| Advil, Motrin | Ibuprofen | Pain, inflammation, fever | ~5× |
| Tylenol | Acetaminophen | Pain and fever, gentle on stomach | ~5× |
| Aleve | Naproxen sodium | Longer-lasting pain relief | ~4× |
| Zyrtec | Cetirizine | Allergies, non-drowsy | up to 15× |
| Claritin | Loratadine | Allergies, non-drowsy | up to 10× |
| Allegra | Fexofenadine | Allergies, non-drowsy | ~6× |
| Flonase | Fluticasone nasal spray | Nasal congestion and allergies | ~2× |
| Prilosec OTC | Omeprazole | Frequent heartburn (24-hour) | ~2× |
| Nexium 24HR | Esomeprazole | Frequent heartburn (24-hour) | ~2× |
| Pepcid | Famotidine | Heartburn and acid relief | ~3× |
| Tums | Calcium carbonate | Fast heartburn relief | ~2× |
| Mucinex | Guaifenesin | Chest congestion, loosens mucus | ~3× |
| Robitussin, Delsym | Dextromethorphan (DM) | Cough suppressant | ~3× |
| Sudafed | Pseudoephedrine | Nasal and sinus decongestant | ~2× |
| Imodium | Loperamide | Anti-diarrhoeal | ~3× |
| Pepto-Bismol | Bismuth subsalicylate | Upset stomach, indigestion | ~2× |
| Benadryl | Diphenhydramine | Allergy and itch, also drowsy aid | ~4× |
| ZzzQuil, Unisom | Diphenhydramine or doxylamine | Occasional sleeplessness | ~4× |
| Neosporin | Triple antibiotic ointment | Minor cuts and scrapes | ~3× |
| Cortizone-10 | Hydrocortisone 1% cream | Itch, rash, bites | ~3× |
| Lotrimin | Clotrimazole | Athlete's foot, fungal itch | ~3× |
| Miralax | Polyethylene glycol 3350 | Occasional constipation | ~2× |
| Metamucil | Psyllium husk fibre | Fibre supplement, regularity | ~2× |
The clearest one. Ibuprofen is Advil, acetaminophen is Tylenol, naproxen is Aleve, for about a fifth of the price. Buy a large bottle of the store brand and you are set for a year.
Value pain relief →The widest gap on the shelf: brand Zyrtec can be over ten times the generic cetirizine, the identical antihistamine. A year of generic costs a few dollars.
Value allergy relief →Omeprazole is Prilosec, famotidine is Pepcid, esomeprazole is Nexium. The store-brand 24-hour omeprazole is FDA-approved as identical and roughly half the price.
Value heartburn relief →Guaifenesin is Mucinex, loperamide is Imodium, triple antibiotic ointment is Neosporin, hydrocortisone is Cortizone. All store-brand, all the same drug.
Value cabinet basics →We costed the two biggest categories dose by dose. The savings are real and the drugs are identical.
Yes. The FDA requires an OTC store brand to have the same active ingredient at the same strength and to be equally safe and effective. Omeprazole is Prilosec, loperamide is Imodium, cetirizine is Zyrtec. You pay extra on the brand only for packaging and marketing.
The brand builds development and heavy advertising costs into its price. Once the formula is standard, any maker can produce the same active ingredient to the same FDA standard, so store brands compete on price alone. Same pill, cheaper box, usually 20 to 60 percent less.
Rarely, and never for the active ingredient. Differences are in inactive ingredients (dyes, fillers, flavours). Match a child's exact concentration on the label, and check extended-release or combination products match. Otherwise the store brand is the default.
Roughly 100 to 250 dollars a year across pain, allergy, antacid, cold and first-aid, for the exact same drugs. The easiest move is to read the active ingredient on the brand box and buy the store brand with the same one beside it.