Natural Health Research

Naturopathic Medicine
Health Quizzes
Tamoxifen, Nolvadex


Tamoxifen is an estrogen receptor antagonist


estrogen receptor antagonist


breast carcinoma, infertility, malignant melanoma, mastalgia, osteoporosis,

Side Effects

anemia, bone pain, cataracts, cholestasis, corneal deposits, corneal opacification, elevated hepatic enzymes, endometrial carcinoma, hepatic necrosis, hepatitis, hot flashes, hypercalcemia, hyperlipidemia, impotence, leukopenia, libido decrease, menstrual irregularity, nausea/vomiting, neutropenia, optic neuritis, pulmonary embolism, retinopathy, thrombocytopenia, vaginal bleeding, vaginal discharge, visual impairment,

Drug-Vitamin-Herb Interactions

Negative interactions:

Androstenedione increases estrogen levels, which may increase the adverse effects of estrogen therapy.

Boron may increase estrogen levels, which may increase the adverse effects of estrogen therapy.

Dong quai
Dong quai contains beta-sitosterol, a phytoestrogen, which may increase the adverse effects of estrogen therapy. Studies, however, do not support this.

Grapefruit juice
Grapefruit juice slows breakdown of estrogen.

Mixed interactions:

Ipriflavone protects bone, but may increase estrogen effect on the uterus.

Positive interactions:

Calcium and Vitamin D
Calcium and Vitamin D aid in bone growth.

Magnesium metabolism is enhanced by estrogen, which may result in a deficiency.




Fantastic new books!

CAM Therapies has studies on natural therapies for over 100 diseases.

CAM Labs lists lab tests for 100 diseases.

Nutritional Genetics is a fantastic resource.



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