By the RxGuide Editorial Team | Reviewed by Sarah Chen, PharmD, BCPS
Published July 20, 2026 | Data sourced from ClinCalc DrugStats Database (2023 prescriptions) and GoodRx (2025–2026 pricing)
More than 6.6 billion prescriptions are filled in the United States every year — roughly 20 prescriptions for every American adult.1 Yet for the tens of millions of people who are uninsured or underinsured, the sticker price at the pharmacy counter can be a shock that has nothing to do with what the drug actually costs to manufacture.
This analysis ranks the 25 most prescribed drugs in America by total prescription count in 2023, sourced from the ClinCalc DrugStats Database, and pairs each with its retail cash price and the lowest available price using a free discount card — a number that most patients never see. The gap between these two figures is, in many cases, extraordinary.
The Full Dataset: 25 Most Prescribed Drugs and Their Costs
The table below presents each drug ranked by total 2023 prescriptions, with retail cash price (the price a pharmacy charges without insurance or a discount card) and the GoodRx discount price (the lowest widely available price using a free coupon, as of mid-2026). All prices are for a 30-day supply at the most commonly prescribed dose.
| Rank | Generic Name | Brand Name | 2023 Prescriptions | Retail Price | GoodRx Price | Savings |
|---|---|---|---|---|---|---|
| 1 | Atorvastatin | Lipitor | 115,271,514 | $82.61 | $7.48 | 91% |
| 2 | Metformin | Glucophage | 85,685,925 | $9.00 | $4.00 | 56% |
| 3 | Levothyroxine | Synthroid | 80,930,390 | $11.34 | $4.00 | 65% |
| 4 | Lisinopril | Zestril | 76,055,039 | $11.22 | $4.00 | 64% |
| 5 | Amlodipine | Norvasc | 68,743,650 | $22.00 | $6.00 | 73% |
| 6 | Metoprolol | Lopressor | 59,547,256 | $16.85 | $7.00 | 58% |
| 7 | Albuterol | ProAir HFA | 59,546,183 | $65.00 | $18.00 | 72% |
| 8 | Losartan | Cozaar | 56,174,734 | $11.00 | $4.00 | 64% |
| 9 | Gabapentin | Neurontin | 45,964,505 | $104.06 | $7.20 | 93% |
| 10 | Omeprazole | Prilosec | 45,290,895 | $22.00 | $6.00 | 73% |
| 11 | Sertraline | Zoloft | 42,578,018 | $39.13 | $7.53 | 81% |
| 12 | Rosuvastatin | Crestor | 42,103,429 | $86.20 | $14.00 | 84% |
| 13 | Pantoprazole | Protonix | 37,101,751 | $158.00 | $8.00 | 95% |
| 14 | Escitalopram | Lexapro | 37,088,584 | $55.00 | $8.00 | 85% |
| 15 | Amphetamine salts | Adderall | 32,566,892 | $220.00 | $29.00 | 87% |
| 16 | Hydrochlorothiazide | Microzide | 31,775,977 | $14.00 | $4.00 | 71% |
| 17 | Bupropion | Wellbutrin | 30,349,390 | $45.00 | $9.00 | 80% |
| 18 | Fluoxetine | Prozac | 27,518,944 | $24.00 | $4.00 | 83% |
| 19 | Semaglutide | Ozempic / Wegovy | 25,954,066 | $1,349.00 | $199.00† | 85%† |
| 20 | Montelukast | Singulair | 25,893,501 | $94.78 | $8.00 | 92% |
| 21 | Trazodone | Desyrel | 24,708,571 | $28.00 | $6.00 | 79% |
| 22 | Simvastatin | Zocor | 24,585,762 | $18.00 | $4.00 | 78% |
| 23 | Amoxicillin | Amoxil | 23,510,711 | $16.00 | $4.00 | 75% |
| 24 | Tamsulosin | Flomax | 22,898,080 | $32.00 | $8.00 | 75% |
| 25 | Hydrocodone/APAP | Vicodin | 21,506,768 | $26.00 | $9.00 | 65% |
†Semaglutide GoodRx price reflects compounded semaglutide via telehealth platforms such as Ro. The brand-name Ozempic and Wegovy list price is $968–$1,349/month. Compounded versions are not FDA-approved.
Five Findings That Deserve Attention
1. The Most Prescribed Drug in America Costs $7.48 a Month
Atorvastatin — sold as Lipitor — was prescribed 115 million times in 2023, making it the single most prescribed drug in the country by a wide margin. It has been off-patent since 2011. The retail price at a pharmacy without insurance is $82.61 for a 30-day supply. With a free GoodRx coupon, the same prescription costs $7.48 — a 91% reduction.
The retail price is not a real price. It is a list price that exists primarily as a starting point for negotiation between pharmacy benefit managers and insurers. Patients who pay it are paying a price that almost no one else pays. The $7.48 figure is the actual market-clearing price for generic atorvastatin in the United States in 2026.
2. Fourteen of the Top 25 Are Available for $4 at Walmart
Walmart's $4 Generic Prescription Program, launched in 2006, covers 14 of the 25 drugs on this list: metformin, lisinopril, amlodipine, losartan, metoprolol, hydrochlorothiazide, simvastatin, fluoxetine, sertraline, amoxicillin, trazodone, montelukast, tamsulosin, and bupropion.2 A 30-day supply of any of these drugs costs $4 at Walmart pharmacies nationwide. A 90-day supply costs $10.
For a patient managing hypertension with lisinopril and amlodipine, the annual medication cost at Walmart is $96. The same two prescriptions at retail price, without insurance, would cost approximately $396.
3. Pantoprazole: $158 Retail, $4 at Walmart
Pantoprazole, a proton pump inhibitor used to treat acid reflux and stomach ulcers, has the largest absolute gap between retail and discount price on this list. Its retail price is $158 for a 30-day supply. It is available for $4 at Walmart and for approximately $8 with a GoodRx coupon at most other pharmacies — a 95% reduction from retail.3
This gap is not unusual in the generic drug market, but the scale is striking. A patient filling pantoprazole at retail price 12 times per year spends $1,896. A patient using the Walmart program spends $48. The drug is chemically identical.
4. Gabapentin Costs $7.20 — But Its Retail Price Is $104
Gabapentin, a nerve pain and seizure medication prescribed 46 million times in 2023, has a retail price of $104.06 for a 30-day supply. With a GoodRx coupon, the price drops to $7.20 — a 93% reduction.4 Gabapentin has been generic since 2004. The gap between its retail price and its actual market price is one of the most dramatic on this list.
The drug's rapid rise in prescriptions — it was not in the top 25 a decade ago — reflects its widespread off-label use for anxiety, insomnia, and alcohol withdrawal, in addition to its approved indications for partial seizures and postherpetic neuralgia. Concerns about dependence and misuse have led several states to classify it as a controlled substance, even though it remains unscheduled at the federal level.
5. Semaglutide Is the Outlier — and the Fastest-Growing Drug in History
Every drug on this list except one is a generic. Semaglutide (Ozempic for diabetes, Wegovy for weight loss) is the exception. It entered the top 25 most prescribed drugs in 2023 having barely registered in the top 200 three years earlier — a rate of adoption with no historical precedent for a branded pharmaceutical.
Its list price is $968–$1,349 per month, depending on the indication and dose. There is no generic equivalent. Novo Nordisk's manufacturer savings program reduces the cost to $25/month for commercially insured patients, but uninsured patients face the full list price or must access compounded versions through telehealth platforms at $199–$399/month.5
The contrast with the rest of this list is stark. The 24 generic drugs on this list have a combined average GoodRx price of $8.50/month. Semaglutide, the only branded drug, costs 160 times more.
The Discount Card You Probably Don't Know About
The single most actionable piece of information in this article is this: a GoodRx card is free, requires no registration, and can be used at over 70,000 pharmacies nationwide. It is not insurance. It is a negotiated discount that anyone can access by printing a coupon or showing a QR code on their phone.
For 24 of the 25 drugs on this list, the GoodRx price is substantially lower than the retail price — in many cases, 80–95% lower. Patients who are uninsured, underinsured, or in a high-deductible plan's deductible phase should compare the GoodRx price against their insurance copay before filling any prescription. In a significant number of cases, the cash price is lower than the insurance copay.
The Walmart $4 program requires no card, no registration, and no coupon. It applies at the pharmacy counter automatically for covered generics.
Methodology
Prescription count data is sourced from the ClinCalc DrugStats Database, which aggregates data from the IQVIA National Prescription Audit and the IQVIA Total Patient Tracker. All counts represent 2023 calendar year data and include all dosage forms and strengths of each active ingredient.1
Retail prices represent the average cash price at a national chain pharmacy (CVS, Walgreens, or Rite Aid) for the most commonly prescribed dose and a 30-day supply, as reported by GoodRx and Drugs.com in mid-2026. Prices vary by pharmacy, location, and dose. GoodRx prices represent the lowest widely available coupon price as of July 2026.
Semaglutide pricing reflects brand-name Ozempic (2 mg/1.5 mL pen) list price and Ro telehealth compounded semaglutide pricing. Compounded semaglutide is not FDA-approved and is subject to regulatory changes.
Download the Full Dataset
The complete dataset underlying this analysis — including all 25 drugs, retail prices, GoodRx prices, prescription counts, and savings percentages — is available as a CSV file for researchers, journalists, and patient advocates.
References
Footnotes
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ClinCalc DrugStats Database. Top 300 Drugs by Total Prescriptions, United States, 2023. https://clincalc.com/drugstats/Top300Drugs.aspx ↩ ↩2
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Walmart Pharmacy. $4 Prescriptions Program. https://www.walmart.com/cp/4-prescriptions/1078664 ↩
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MedicalNewsToday. Pantoprazole cost 2026: Coupons and more. https://www.medicalnewstoday.com/articles/drugs-pantoprazole-cost ↩
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GoodRx. Gabapentin 2026 Prices, Coupons & Savings Tips. https://www.goodrx.com/gabapentin ↩
-
Sesame Care. How Much Does Wegovy Cost Without Insurance? April 2026. https://sesamecare.com/blog/wegovy-cost-without-insurance ↩
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About the Author
James Okafor, RPh, MBA
Registered Pharmacist & Health Economics Writer
James Okafor is a registered pharmacist with over 12 years of experience in retail and clinical pharmacy settings. He holds an MBA with a focus on healthcare management and specializes in translating complex drug pricing, formulary, and insurance coverage topics into clear, actionable guidance for patients. Before joining RxGuide, James worked as a clinical pharmacist at a regional hospital system and as a pharmacy benefits consultant for a national PBM. His writing focuses on cost transparency, generic alternatives, and helping patients navigate the U.S. prescription drug system.
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