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Mental health & focus

Phentermine

Phentermine is a covered generic medication on Tab's $0 list. Here's what it's used for, typical dosing, and side effects, sourced from FDA-approved drug labeling.

$0 with active Tab membership Oral

What it's used for

Phentermine hydrochloride is used as a short-term adjunct to exercise, behavioral modification, and a reduced-calorie diet for weight reduction in adults with a body mass index of 30 kg/m2 or higher, or 27 kg/m2 with other risk factors.

Source: U.S. FDA-approved prescribing information (openFDA).

Typical dosing

Dosage should be individualized to obtain an adequate response with the lowest effective dose, avoiding late evening administration to prevent insomnia.

Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.

Common side effects

Identified adverse reactions include primary pulmonary hypertension, valvular heart disease, and effects on the ability to perform potentially hazardous tasks.

Covered strengths on the Tab $0 list

Phentermine 15mg CapsulePhentermine 37.5mg Capsule

Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.

Related medications

Other mental health & focus medications covered at $0 with an active Tab membership.

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Tab is a membership and prescription-discount program—not insurance, and not a substitute for it. $0 pricing applies to medications on the current covered generic list with active membership, at participating pharmacy locations nationwide or through mail order, and is subject to change. Mail-order home delivery is preferred for recurring prescriptions; activation, availability, and delivery timing apply. This page is for general reference, drawn from FDA-approved drug labeling, and is not medical advice. Only a licensed clinician can determine if a medication is right for you.