Monograph Details

Ob/Gyn > Menopause and HRT
ESTRING
Manufacturer
Pfizer Labs
Legal Classification
Rx
Pharmacological Class
Estrogen.
Generic Name
Estradiol 7.5micrograms/24hrs; vaginal ring.
Indications
Urogenital symptoms associated with postmenopausal atrophy of the vagina and/or the lower urinary tract.
Children
Not applicable.
Adults
Insert 1 ring high into vagina. Replace after 90 days.
Contraindications
Breast or estrogen-dependent carcinoma. Undiagnosed abnormal vaginal bleeding. Pregnancy (Cat.X).
Precautions
Impaired liver function. Vaginal stenosis, narrowing, prolapse or infections increase risk of irritation and ulceration. Do initial complete physical and repeat every 6–12 months (include BP, PAP smear, mammogram). Monitor blood. Nursing mothers: not recommended.
Interactions
Remove while treating vaginal infections and during treatment with other vaginally-administered preparations.
Adverse Reactions
Headache, leukorrhea, back or skeletal pain, upper respiratory effects, UTI, vaginitis; vaginal discomfort, pain, or hemorrhage; arthritis, arthralgia, insomnia, abdominal pain, local infection, flu-like symptoms, nausea, hot flushes, others.
How Supplied
Vaginal ring—1
Additional Resources
Related Prescribing Note