Phentermine Coupons & Prices

Phentermine is a prescription medication used for short-term weight loss in people who are significantly overweight or obese. It acts as an appetite suppressant and is commonly prescribed as part of a doctor-approved exercise and reduced-calorie diet program. The brand name of Phentermine is Adipex-P. The average retail price of Phentermine is $50.83 for 30, 37.5mg tablets, but this price may be lowered to $9.91 for 30, 37.5mg tablets with a SingleCare Phentermine card. SingleCare Phentermine coupons are accepted at participating pharmacies nationwide.

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Phentermine coupon at Kroger Pharmacy
$12.91
$ 9.91
$3 off with signupwith signup

Show this free card to your pharmacist.

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Phentermine coupon at Harris Teeter Pharmacy
$12.91
$ 9.91
$3 off with signupwith signup

Save an extra $3 on any eligible prescription! Sign up for free

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and it's free to join

Phentermine coupon at Food Lion Pharmacy
$ 14.38
Phentermine coupon at Walgreens Pharmacy
$19.20
$ 16.20
$3 off with signupwith signup
Phentermine coupon at Costco Pharmacy
$ 16.99
Phentermine coupon at Publix Pharmacy
$22.99
$ 19.99
$3 off with signupwith signup
$25.74
$ 22.74
$3 off with signupwith signup
$27.42
$ 24.42
$3 off with signupwith signup
$27.42
$ 24.42
$3 off with signupwith signup

About SingleCare Pricing

SingleCare’s prescription prices are based on multiple sources. The prices we publish are our best estimate, but we cannot guarantee that the price we display will exactly match the price you receive at the pharmacy. For an exact price, please contact your pharmacy and provide the BIN/GRP/PCN numbers shown on your SingleCare card.

Any SingleCare bonus savings, including the $3 signup bonus, may only be used once.

Prices updated: 12/05/2025

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About Phentermine

      Controlled Substance

Phentermine is a prescription medication used for short-term weight loss in people who are significantly overweight or obese. It acts as an appetite suppressant and is commonly prescribed as part of a doctor-approved exercise and reduced-calorie diet program. The brand name of Phentermine is Adipex-P. The average retail price of Phentermine is $50.83 for 30, 37.5mg tablets, but this price may be lowered to $9.91 for 30, 37.5mg tablets with a SingleCare Phentermine card. SingleCare Phentermine coupons are accepted at participating pharmacies nationwide.

Phentermine Price History & Information

Price History for Phentermine Hcl

30 count, tablet, 37.5mg

Our price history metrics are calculated from aggregate prescription data that we receive from all participating pharmacies. This chart updates daily to show new price fluctuations. If a data point is missing from the chart, it is because we do not have enough data to produce a reliable figure.

Average 1-Month Prices for Phentermine Hcl

30 count, tablet, 37.5mg
PharmacyPhentermine Hcl Retail PricePhentermine Hcl SingleCare Price
CVS Pharmacy$39.90$39.31
Walmart$32.09$27.25
Walgreens$50.97$26.95
Kroger Pharmacy$27.91$17.37
Albertsons Pharmacy$38.70$10.50

These prices are based on the last month of SingleCare prescription fill data by major pharmacy. This table updates daily to show the most accurate typical prices by pharmacies. If a data point is missing from the table, it is because we do not have enough data to produce a reliable figure.

About Phentermine

Phentermine is a prescription medication used for short-term weight loss in people who are significantly overweight or obese. It acts as an appetite suppressant and is commonly prescribed as part of a doctor-approved exercise and reduced-calorie diet program. The brand name of Phentermine is Adipex-P. The average retail price of Phentermine is $50.83 for 30, 37.5mg tablets, but this price may be lowered to $9.91 for 30, 37.5mg tablets with a SingleCare Phentermine card. SingleCare Phentermine coupons are accepted at participating pharmacies nationwide.

Phentermine FAQs

Medically reviewed by Gerardo SisonPharm.D.
Licensed Pharmacist

How much does Phentermine cost without insurance?

The average retail cost of Phentermine is $50.83 for 30, 37.5mg tablets. Without insurance, the cost of Phentermine can vary depending on the dosage and quantity prescribed, as well as the pharmacy location. Be sure to ask your pharmacist for help comparing prices and options to get the best deal. With SingleCare, you can find the lowest prices of Phentermine at the pharmacist nearest to you and save on brand-name and generic medications like Phentermine. 

How much does Phentermine cost with insurance?

Phentermine costs with insurance can vary greatly depending on the quantity prescribed, the pharmacy you use, and your insurance plan. Some insurance plans may help cover the cost of generic medications like Phentermine. It’s best to consult your insurance company or pharmacist to determine your coverage for Phentermine with insurance. In some cases, using a prescription discount card could help save you more than you would insurance. A SingleCare savings card may be able to save you up to 80% on your prescription drugs.

Does Medicare cover Phentermine and how much does it cost?

Medicare prescription drug plans generally don’t cover weight-loss medications like Phentermine. Medicare may prefer that other treatments are tried before covering Phentermine. The coverage, copayment, and deductibles can also vary depending on the Medicare plan. Using a SingleCare Phentermine coupon could reduce your prescription price to $9.91 for 30, 37.5mg tablets, which may offer more savings than your Medicare plan.

What is the brand name of Phentermine?

Phentermine is a generic prescription drug manufactured by various pharmaceutical companies. Phentermine is also sold under different brand names, including Adipex-P and Lomaira. Phentermine can also be found combined with other medications under different brand names. Qsymia is a brand-name, weight-loss medication that contains phentermine and topiramate.

What is Phentermine?

Phentermine is a generic prescription tablet used to help with weight loss. It is prescribed as an appetite suppressant to help reduce body weight in people who are obese or overweight with risk factors like high blood pressure or diabetes. Phentermine is typically prescribed for a limited period of time as part of a weight loss plan that includes a reduced-calorie diet, behavior changes, and regular exercise.

Phentermine is classified as an anorectic, appetite suppressant, and sympathomimetic. It has effects on certain neurotransmitters in the brain, which can help decrease feelings of hunger. By curbing appetite, Phentermine supports weight loss in individuals when combined with healthy lifestyle changes.

What are the side effects of Phentermine?

The most common side effects of Phentermine include dizziness, insomnia, restlessness, palpitations, diarrhea, constipation, dry mouth, and changes in sex drive. Serious side effects of Phentermine include cardiovascular effects, such as dangerously high blood pressure, chest pain, and an irregular heart rate. Pulmonary hypertension, or high blood pressure in the lungs, has been reported with Phentermine use.

In addition, Phentermine may cause mental and mood changes, including depression and mood swings. Dependence on Phentermine is possible, which could lead to withdrawal symptoms, such as nervousness, sleeplessness, and irritability, after the drug is discontinued. 

Allergic reactions are rare. Discontinue Phentermine if you experience symptoms or signs of an allergic reaction, such as hives, rash, or trouble breathing.

This is not a complete list of side effects. Before starting treatment, consult a doctor or healthcare provider for medical advice and more information about other possible side effects, warnings, and precautions.

How long can you take Phentermine?

Phentermine is a prescription medication intended for short-term use, typically 12 weeks or less. The recommended duration of use for phentermine is determined by a trained healthcare provider. The total treatment duration can vary depending on an individual's response to the medication and whether they have other medical conditions. In many cases, long-term use of Phentermine may increase the risk of dependence and addiction. 

Will Phentermine affect a blood test?

Phentermine may affect certain blood tests. For example, it may cause a drop in blood sugar levels, which can affect diabetes blood tests. The use of Phentermine may also lead to a false positive on drug tests for amphetamines. Consult a healthcare provider to clarify how phentermine may affect your specific blood test and how to adjust accordingly.

Do you need a prescription for phentermine for weight loss?

Yes, Phentermine is a prescription medication that must be prescribed by a doctor. It is not available over the counter due to its controlled substance status and potential for misuse. Your doctor will evaluate your medical history, weight loss needs, and health risks before prescribing Phentermine.

What OTC medicine can replace Phentermine?

Several medications and supplements may serve as alternatives to Phentermine. An FDA-approved OTC alternative to Phentermine is Alli (orlistat), which works by preventing the absorption of fat in the gut. Weight-loss supplements may include different ingredients, such as green tea extract, caffeine, and garcinia cambogia. However, many supplements are not well-studied or regulated as prescription medications, and their effectiveness may vary. Consult a healthcare provider before using an OTC medicine as an alternative to Phentermine.

Medically reviewed by Gerardo SisonPharm.D.
Licensed Pharmacist

Gerardo Sison, Pharm.D., graduated from the University of Florida. He has worked in both community and hospital settings, providing drug information and medication therapy management services. As a medical writer, he hopes to educate and empower patients to better manage their health and navigate their treatment plans.

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Where are Phentermine coupons from SingleCare accepted?

SingleCare is accepted at most national pharmacies and grocers, including the following:

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