Utilized for postmenopausal vaginal symptoms to manage tissue health and support symptomatic comfort.
Mechanism of Action
Estriol is a short-acting, weak estrogen. When applied topically, it restores the vaginal epithelium and pH, relieving dryness and inflammation associated with hormonal decline without significant systemic estrogenic effects.
Route of Administration
Vaginal
Onset Time
1–2 weeks
Duration
24 hours
Contraindications
History of breast cancer, Undiagnosed uterine bleeding, Active thromboembolic disease, Pregnancy
Severe Adverse Events
Deep vein thrombosis, Pulmonary embolism, Anaphylaxis — requires immediate medical attention
Common Side Effects
Local irritation, Breast tenderness, Headache
Uncommon Side Effects
Nausea, Weight changes, Vaginal spotting
Drug Interactions
Alcohol
Pregnancy Safety Warnings
FDA Category X: Strictly contraindicated in pregnancy. Breastfeeding: Compatible with caution.
Information related to Estriol Topical is compiled and periodically reviewed with reference to established medical sources and prescribing guidance. Content is provided for general reference and should be confirmed with a registered healthcare professional before use.
