Ethinyloestradiol

Ethinyloestradiol is estrogen (hormone). Ethinyloestradiol is used for replacement therapy in women who is deficient of hormone. Ethinyloestradiol is used to treat symptoms associated with menopause and conditions in which hormone levels are low. Ethinyloestradiol is also used to prevent osteoporosis (bone loss).


Adult Dose
Dose: 0.4 mg
Single Dose: 0.4 (0.4)
Frequency: 24 hourly
Route: PO
Instructions: 5-7 Days per week for 1-3 Years
Neonatal
Dose:
Single Dose:
Frequency:
Route:
Instructions: Not recommended in this age group
Paedriatic
Dose:
Single Dose:
Frequency:
Route:
Instructions: Not recommended in this age group
Characteristics
. It is of Synthetic origin and belongs to Oestrogen. It belongs to Oestrogen Agonist pharmacological group on the basis of mechanism of action and also classified in Sex Hormones and Estrogen Derivatives, Acne Therapy pharmacological group.The Molecular Weight of Ethinyloestradiol is 296.40. Its pKa is 10.34.
Contraindications
Ethinyloestradiol is contraindicated in conditions like Thromboembolism,Genital bleeding,Jaundice,Thrombophlebitis,Cerebrovascular disease,Hepatic carcinoma,Coronary artery disease,Estrogen-dependent cancer,Untreated endometriosis.
Effects
The severe or irreversible adverse effects of Ethinyloestradiol, which give rise to further complications include Impotence, Loss of libido, Gynacomastia, Chloasma, MI.Ethinyloestradiol produces potentially life-threatening effects which include Pulmonary embolism, Hypertension, Venous thromboembolism, Endometrial carcinoma, Endometrial hyperplasia, Cerebral thrombosis, Gall bladder disease, Liver tumors, Breast carcinoma, Venous thromboembolism, Coronary thrombosis. which are responsible for the discontinuation of Ethinyloestradiol therapy.The signs and symptoms that are produced after the acute overdosage of Ethinyloestradiol include Nausea, Vomiting, Coronary thrombosis, Uterine withdrawal bleeding.The symptomatic adverse reactions produced by Ethinyloestradiol are more or less tolerable and if they become severe, they can be treated symptomatically, these include Dizziness, Nausea, Vomiting, Weight gain, Fluid retention, Intermenstrual bleeding or spotting, Chloasma, Cholestatic Jaundice, Vaginal candidiasis, dizziness.
Indications
Ethinyloestradiol is primarily indicated in conditions like Breast cancer, Breast cancer (unlicensed indication), Dysfunctional uterine bleeding, Gonadal dysgenesis, Heriditary haemorrhagic telangiectasia, Hormone replacement for menopausal symptoms, Hormone replacement therapy, Menopausal symptoms, Oestrogen deficiency, Osteoporosis prophylaxis, Pre-ovulatory mucus, Prostatic cancer, and can also be given in adjunctive therapy as an alternative drug of choice in Acne, Contraception, Endometriosis, Hirsutism, Menstruation disorders.
Interactions
Ethinyloestradiol is known to interact with other drugs, the details of drug interactions is as follows:DrugDetailsSeverityOnsetManagementAlcoholAmpicillinAprepitantUpon coadministration with aprepitant capsules, the efficacy of hormonal contraceptives during and for 28 days following the last dose of aprepitant capsules may be reduced. Alternative or back-up methods of contraception should be used during treatment with aprepitant capsules and for 1 month following the last dose of aprepitant.Ascorbic AcidChloramphenicolClavulanic AcidCo-AmoxiclavCyproterone (Acetate)GriseofulvinImipramine (HCl)LynoestrenolMeprobamatePhenobarbitonePhenylbutazone Phenytoin (Na)RifampicinSt.Johns Wort ExtractConcurent use may result in irregular menstrual flow.TegaserodTegaserod decreased Ethinyloestradiol plasma concentrations by less than 10% in a clinical study with a low-dose triphasic oral contraceptive (n=45). The mechanism is unknown. There were no changes in ethinyl estradiol concentrations or in contraceptive efficacy. No action is necessary.MinorTetracycline (HCl) These interactions are sometimes beneficial and sometimes may pose threats to life. Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Interfrence
Tests for measuring urinary oestradiol, oestrogens and oestrone Tests for thyroid + glucose tolerance
Risks
Drug should not be given to Paediatrics, Pregnant Mothers, and Neonates.If prescribing authority justifies the benefits of the drug against the possible damages he/she should reevaluate them and consult the reference material and previous studies.
Storage
Tab Store in a well closed container. Protect from Sunlight.
Warnings
High doses of ethinyloestradiol used in treatment of malignant disease should be used with caution in patients with cerebrovascular disorder, coronary artery disease or venous thromboembolism. It should be used with caution in children, because premature closure of epiphysis may occur resulting in inhibited linear growth and small stature.
Back to List

Any information that appears on this website page is provided for the purpose of general information. This website has been compiled in good faith by HMIS.Online. However, no guarantee is made as to the completeness, validity or accuracy of the information it contains.