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Tamoxifen Citrate

Tamoxifen Citrate 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

Tamoxifen is used to treat estrogen receptor-positive metastatic breast cancer in adults, provide adjuvant treatment for early-stage breast cancer, and reduce breast cancer risk in specific high-risk or DCIS patient groups.

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

Typical dosing

For metastatic breast cancer, the usual dosage is 20 to 40 mg per day, administered in divided doses if exceeding 20 mg per day.

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.

Boxed warning / key safety info

Serious and life-threatening events from this medication include uterine malignancies, stroke, and pulmonary embolism.

Common side effects

Common side effects include hot flashes, mood disturbances, vaginal discharge, vaginal bleeding, nausea, and fluid retention.

Covered strengths on the Tab $0 list

Tamoxifen Citrate 10 mg TabletTamoxifen Citrate 20 mg Tablet

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.

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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.