Phentermine (the generic name; brand names include Adipex‑P, Phentermine, and others) is sold in several dose strengths—most commonly 15 mg and 30 mg tablets. Because it’s a prescription drug, the price you pay depends on a few factors:
| Factor | What it does to the cost |
|--------|--------------------------|
| Brand vs. generic | Brand‑name versions can be 2–3× higher than the generic. |
| Dose strength | Higher dose tablets (e.g., 30 mg) usually cost a bit more per pill, but the overall cost per dose can be similar when you take two 15 mg tablets. |
| Quantity | Bulk purchases (e.g., 30‑pill bottles) often bring the per‑pill cost down compared to single‑pill purchases. |
| Insurance & copays | Most health plans cover some or all of the cost; a copay or coinsurance may apply. |
| Pharmacy & location | Prices can vary between retail chains, independent pharmacies, and online sources. |
| Discounts & coupons | Manufacturer coupons, pharmacy discount cards, or patient assistance programs can lower out‑of‑pocket costs. |
Typical price ranges (2024–2026)
| Dose | Generic (per pill) | Brand (per pill) |
|------|-------------------|------------------|
| 15 mg | $0.50 – $1.50 | $1.50 – $5.00 |
| 30 mg | $1.00 – $3.00 | $3.00 – $8.00 |
These ranges are estimates based on recent wholesale and retail data. Actual prices can differ.
How to get the exact price you’ll pay
1. Ask your prescriber: They can often provide a “preferred” pharmacy or tell you if a certain pharmacy has a lower cost for the medication.
2. Check with your pharmacy: Call or use the pharmacy’s website to request a price quote. If you’re using a health insurance plan, they usually provide an online portal or call center that can give you the copay amount.
3. Use pharmacy benefit managers (PBMs): If you have a PBM‑managed plan, it may negotiate discounts that are applied automatically.
4. Explore coupons & assistance: The manufacturer (Pfizer) offers a discount card for eligible patients. Many large pharmacy chains also have their own discount programs.
Quick tip
If you’re on a tight budget and have insurance, most plans will cover a generic 15 mg tablet. If you’re paying cash, buying a 30‑day supply (usually a 30‑pill bottle) will often reduce the per‑pill cost compared to buying a 10‑day supply.
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Bottom line: Expect roughly $0.50–$5.00 per pill depending on brand, dose, quantity, and your insurance or discount programs. For the most accurate, up‑to‑date price, check directly with the pharmacy that will fill your prescription.