Tamoxifen 20mg
Generic For: Nolvadex
Tamoxifen 20mg (brand name Nolvadex) is a selective estrogen receptor modulator used to treat hormone receptor–positive breast cancer and to reduce breast cancer risk in high-risk individuals. It works by blocking estrogen's effects on breast tissue. After a licensed provider reviews your prescription, your order ships from a licensed U.S. pharmacy.
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30-day supply · $1.00/tablet
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Price: $30.00
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Buy Tamoxifen 20mg Online (Nolvadex)
A selective estrogen receptor modulator (SERM) for breast cancer treatment and breast cancer risk reduction
Tamoxifen 20mg Quick Facts
| Drug class | Selective estrogen receptor modulator |
|---|---|
| Treats | Breast cancer, breast cancer risk reduction, DCIS |
| Form | Tablet |
| Typical dosing | Take 1 tablet by mouth daily. |
| Prescription required | Yes — prescription only |
What Is Tamoxifen 20mg?
Tamoxifen is a prescription medication in the selective estrogen receptor modulator (SERM) class, sold under the brand name Nolvadex. It blocks estrogen from binding to receptors in breast tissue, which can slow or stop the growth of hormone receptor–positive breast cancer cells. Tamoxifen is used to treat breast cancer in women and men, and to lower the chance of developing invasive breast cancer in women at high risk, including those with ductal carcinoma in situ (DCIS). It is taken by mouth as a tablet, typically once daily.
What Does Tamoxifen 20mg Treat?
Treatment of hormone receptor–positive breast cancer
Adjuvant treatment of early-stage breast cancer after surgery
Treatment of metastatic breast cancer in women and men
Reduction of breast cancer risk in high-risk women
Reduction of invasive breast cancer risk after DCIS
Tamoxifen 20mg Dosage
Breast cancer treatment: 20–40 mg by mouth daily; doses above 20 mg given in divided doses (morning and evening).
Adjuvant therapy: 20 mg by mouth once daily for 5–10 years as directed.
Risk reduction / DCIS: 20 mg by mouth once daily for 5 years.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Tamoxifen 20mg Side Effects
Common side effects
- Hot flashes
- Vaginal discharge
- Nausea
- Irregular menstrual periods
- Fatigue
- Mood changes
- Fluid retention
- Leg cramps
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Uterine (endometrial) cancer — abnormal vaginal bleeding
- Blood clots (DVT, pulmonary embolism)
- Stroke
- Vision changes or cataracts
- Liver problems (jaundice, dark urine)
- Severe allergic reaction
Warnings & Interactions
Boxed warning: increased risk of uterine cancer, stroke, and pulmonary embolism
Do not use during pregnancy; use effective non-hormonal contraception
Do not use with warfarin when taken for risk reduction or DCIS
Avoid strong CYP2D6 inhibitors (e.g., fluoxetine, paroxetine), which may reduce effectiveness
Contraindicated with history of blood clots when used for risk reduction
Report abnormal vaginal bleeding, leg swelling, chest pain, or vision changes promptly
Regular gynecologic and eye exams recommended during treatment
Tell your prescriber about all medications, supplements, and health conditions before starting tamoxifen 20mg.
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