Adverse Effects
Adverse effects, which may occur as a result of use of estradiol and have been associated with estrogen and/or progestin therapy, include changes in vaginal bleeding, dysmenorrhea, increase in size of uterine leiomyomata, vaginitis including vaginal candidiasis, changes in cervical secretion and cervical ectropion, ovarian cancer, endometrial hyperplasia, endometrial cancer, nipple discharge, galactorrhea, fibrocystic breast changes and breast cancer. Cardiovascular effects include chest pain, deep and superficial venous thrombosis, pulmonary embolism, thrombophlebitis, myocardial infarction, stroke, and increased blood pressure. Gastrointestinal effects include nausea and vomiting, abdominal cramps, bloating, diarrhea, dyspepsia, dysuria, gastritis, cholestatic jaundice, increased incidence of gallbladder disease, pancreatitis, or enlargement of hepatic hemangiomas. Skin adverse effects include chloasma or melasma that may continue despite discontinuation of the drug. Other effects on the skin include erythema multiforme, erythema nodosum, otitis media, hemorrhagic eruption, loss of scalp hair, hirsutism, pruritus, or rash. Adverse effects on the eyes include retinal vascular thrombosis, steepening of corneal curvature or intolerance to contact lenses. Adverse central nervous system effects include headache, migraine, dizziness, mental depression, chorea, nervousness/anxiety, mood disturbances, irritability, and worsening of epilepsy. Other adverse effects include changes in weight, reduced carbohydrate tolerance, worsening of porphyria, edema, arthralgias, bronchitis, leg cramps, hemorrhoids, changes in libido, urticaria, angioedema, anaphylactic reactions, syncope, toothache, tooth disorder, urinary incontinence, hypocalcemia, exacerbation of asthma, and increased triglycerides.
Estrogen combined with medroxyprogesterone is associated with an increased risk of dementia. It is not known whether estradiol taken alone is associated with an increased risk of dementia. Estrogens should only be used for the shortest possible time and at the lowest effective dose due to these risks. Attempts to gradually reduce the medication via a dose taper should be made every three to six months.
Read more about this topic: Estradiol
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