Amoxicillin
Sold as Amoxil
Amoxicillin is a broad-spectrum penicillin antibiotic used for ear, sinus, throat, urinary tract, skin, and dental infections.
As of August 2026, Amoxicillin (500 mg) cash prices on BetterBuyRx start at $4.00 across 7 verified sources (lowest at H-E-B Pharmacy). The free BetterBuyRx discount card recently showed $6.28 in the 750xx ZIP area (checked Aug 20, 2026); card prices vary by ZIP, so enter yours on the drug page for local pharmacy prices. Prices change; confirm at the counter.
What it treats
Common bacterial infections, dental prophylaxis, H. pylori (combo therapy).
Typical dosing
Typical adult dose: 500 mg every 8 hours or 875 mg every 12 hours for 7-10 days.
Side effects
Diarrhea, nausea, rash, yeast infections.
Interactions to know
Reduces effectiveness of some birth control pills. May increase warfarin effect.
Pregnancy & breastfeeding
Generally considered safe.
Live price snapshot
| Source | Type | Cash price |
|---|---|---|
| H-E-B Pharmacy | program | $4.00 |
| Costco Pharmacy | pharmacy | $4.00 |
| Amazon Pharmacy RxPass | program | $5.00 |
| Mark Cuban Cost Plus | pharmacy | $6.33 |
| BetterBuy Rx | coupon | $7.79 |
| Honeybee Health | pharmacy | $10.00 |
Save with the free BetterBuyRx card
The BetterBuyRx discount card is free, no signup, no insurance needed. It recently showed $6.28 for Amoxicillin at a partner-network pharmacy in the 750xx ZIP area, card prices vary by ZIP, so enter yours on the drug page for local pharmacy prices. Show the card at the pharmacy counter; it can't be combined with insurance.
Frequently asked questions
- How much does Amoxicillin cost without insurance?
- As of the latest check, the lowest verified cash price we've found for Amoxicillin is $4.00 at H-E-B Pharmacy, across 7 verified sources. Cash prices are unregulated and vary by pharmacy, so compare before you fill and confirm the price at the counter.
- Is there a generic for Amoxicillin?
- Yes. Amoxicillin is the generic; it is also sold under brand names such as Amoxil. The generic is typically far cheaper than brand and is what our verified cash prices reflect.
- Can I use the free BetterBuyRx discount card for Amoxicillin?
- Yes. The free BetterBuyRx discount card recently showed $6.28 for this medication at a partner-network pharmacy in the 750xx ZIP area (checked Aug 20, 2026). Card prices vary by ZIP, enter yours on the drug page to see local pharmacy prices. Show the card (BIN, PCN, Group, and Member ID where required) at the counter; it can't be combined with insurance.
- Why does the price of Amoxicillin vary so much between pharmacies?
- U.S. cash prescription prices are unregulated, each pharmacy sets its own markup, and discount programs and mail-order sources widen the spread further (this is common across the Penicillin antibiotic class). That's why comparing verified prices before you fill can save money.
Clinical content reviewed by the BetterBuyRx clinical team.
Educational only. Not medical advice. Always confirm with your prescriber or pharmacist.