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Clomiphene vs. Tamoxifen

Head-to-head comparisons of medication uses, side effects, warnings, and more.

Clomid

(clomiphene)

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Tamoxifen

(Nolvadex)

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Summary for Clomiphene

Prescription only

Clomid (clomiphene) is a selective estrogen receptor modulator (SERM) used to treat infertility in people wanting to become pregnant. It works by causing ovulation, or egg release. You'll take a dose by mouth every day for 5 days, typically during your menstrual period. Some of the more common side effects include hot flashes, bloating, and stomach pain.

Indications for Clomiphene

Pros and Cons for Clomiphene

Pros

Cons

  • Typically only recommended for up to 3 cycles, not a long-term treatment
  • Can cause vision problems in some rare cases
  • Not safe if you have liver problems or certain thyroid problems

Common Side Effects for Clomiphene

  • Swollen ovaries (14%)
  • Hot flashes (10%)
  • Stomach pain, discomfort, or bloating (6%)

Warnings for Clomiphene

  • Vision changes
  • Ovarian hyperstimulation syndrome (OHSS)
  • Possible risk of harm to unborn baby

Summary for Tamoxifen

Prescription only

Tamoxifen (Nolvadex) is a selective estrogen receptor modulator (SERM). It’s used to treat early stage and advanced or metastatic hormone receptor-positive (HR+) breast cancer in males and females. It’s also used to lower the risk for breast cancer in females who have a higher risk for breast cancer. Tamoxifen (Nolvadex) is an oral tablet that's taken by mouth, usually once a day. Common side effects of this medication include hot flashes, vaginal discharge, and swelling in the arms and legs, which might lead to weight gain. Brand name Nolvadex is no longer available.

Indications for Tamoxifen

Pros and Cons for Tamoxifen

Pros

  • Usually taken once a day
  • Oral tablet is available as a lower-cost generic
  • Might help prevent bone loss (osteoporosis) after menopause

Cons

  • Might raise your risk for blood clots, uterine cancer, and cataracts
  • Can’t take while pregnant or breastfeeding
  • Usually taken long term (at least 5 years)

Common Side Effects for Tamoxifen

  • Hot flashes (up to 80%)
  • Vaginal discharge (up to 55%)
  • Swelling in the arms and legs (up to 32%)
  • Nausea (up to 26%)
  • Irregular or no monthly bleeding (up to 25%)
  • Vaginal bleeding (up to 23%)
  • Weight loss (23%)
  • Skin changes (19%)

Warnings for Tamoxifen

  • Blood clots
  • Changes in the uterus and risk of uterine cancer
  • Eye problems
  • Liver problems
  • High calcium levels in the blood
  • Low platelet count (risk of bleeding)
  • Harm to unborn baby

Prices with our coupons for Clomiphene vs. Tamoxifen

Price Card Drug Icon
Clomid30 tablets / 50mg
$111.49-
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Price Card Drug Icon
Tamoxifen90 tablets / 20mg
$41.51$206.96
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