Estradiol — Nutrient Associations & Health Patterns
Also known as: Estradiol (Estrace, Vivelle-Dot, Climara, Divigel, Vagifem, Bijuva)
Drug Class: Estrogen / Hormone replacement therapy
Bioidentical estrogen used for menopausal hormone therapy (HRT), surgical menopause, hypogonadism, gender-affirming hormone therapy, and osteoporosis prevention. Available in many forms: oral tablets, transdermal patches, gels, creams, vaginal rings, and sprays. Transdermal forms (patch, gel) avoid first-pass liver metabolism, producing more stable blood levels and reduced clotting risk compared to oral estradiol. Often prescribed with progesterone in women with an intact uterus (to prevent endometrial hyperplasia). Only evidence-qualified catalog relationships are listed here. Other catalog entries remain unverified in this reference; absence from the list does not rule out other medication effects or interactions.
Medication and Nutrition Context
Only evidence-qualified catalog relationships are listed here. Other catalog entries remain unverified in this reference; absence from the list does not rule out other medication effects or interactions.
Common Side Effects of Estradiol
- Breast tenderness or swelling
- Bloating and fluid retention
- Nausea (more common with oral than transdermal)
- Headaches or migraines
- Mood swings
- Breakthrough bleeding or spotting
- Blood clot risk (oral estradiol — transdermal significantly lower risk)
- Increased breast cancer risk with long-term combined HRT (estrogen + progestin)
Key Drug Interactions — Estradiol
Estradiol has 9 documented drug-drug interactions in WePattern's Pattern Health Intelligence database. Key interactions include:
- Progesterone / Progestins (required in non-hysterectomized women to protect uterus — not a harmful interaction)
- Thyroid medications (estrogen raises TBG, reducing free thyroid hormone — may need dose adjustment)
- Blood pressure medications (estrogen can raise blood pressure — monitor)
- Warfarin (estrogen affects clotting factors — INR changes)
- Anticonvulsants (carbamazepine, phenytoin reduce estradiol levels)
- Rifampin (significantly reduces estradiol levels)
Frequently Asked Questions
What nutrient associations are reported for Estradiol?
Only evidence-qualified catalog relationships are listed here. Other catalog entries remain unverified in this reference; absence from the list does not rule out other medication effects or interactions.
Which nutrient relationships are mapped for Estradiol?
Only evidence-qualified catalog relationships are listed here. Other catalog entries remain unverified in this reference; absence from the list does not rule out other medication effects or interactions.
What are the side effects of Estradiol?
Common side effects associated with Estradiol include: Breast tenderness or swelling; Bloating and fluid retention; Nausea (more common with oral than transdermal); Headaches or migraines; Mood swings.