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A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Estring (Estradiol)
Prescription Required
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Product Details
Description
ESTRING (estradiol) is a medication prescribed to treat moderate to severe urogenital symptoms that are caused by postmenopause. ESTRING can treat symptoms of vaginal atrophy including:
- Burning
- Dryness
- Dyspareunia
- Pruritis
ESTRING can also treat symptoms that affect the lower urinary tract including:- Dysuria
- Urinary urgency
ESTRING contains the estrogen hormone estradiol, which releases approximately 7.5 micrograms every 24 hours. Estrogens are responsible for the maintenance of secondary sexual characteristics, and restoring estrogens levels can treat symptoms caused by the reduced estrogen that occurs during menopause.
Fact Table
Formula
C18H24O2
License
EU EMA
Bioavailability
5%
Legal status
Rx-Only
Chemical Name
Estradiol
Elimination half-life
13 - 36.5 hours
Dosage (Strength)
2mg
Pregnancy
Consult Doctor
Brands
Estring
Protein binding
98%
PubChem CID
5757
MedlinePlus
a605041
ChEBI
16469
ATC code
G03CA03
DrugBank
DB00783
KEGG
D00105
Routes of administration
By mouth (tablets)
Directions
Insert ESTRING into the upper third of the vaginal canal and wear it continuously for 90 days. ESTRING is designed to continuously release medication over this period of time.
ESTRING is an opaque ring with a whitish core.
Ingredients
The active ingredient in ESTRING is estradiol.
Cautions
ESTRING should not be used by women with a current clotting disorder or history of one. Examples include deep vein thrombosis (DVT), pulmonary embolism (PE), cardiovascular accident (stroke), or myocardial infarction (heart attack)
Do not use ESTRING if you are pregnant, suspect you are pregnant or are trying to get pregnant.
ESTRING should be used with caution in patients with impaired liver function.
ESTRING may increase the risk of certain cancers like endometrial cancer, breast cancer, and ovarian cancer. Speak with your doctor about your risk before starting ESTRING.
Side Effects
Some of the most common ESTRING side effects include:
- Abdominal pain
- Arthritis
- Back pain
- Vaginitis
- Headache
- Insomnia
- Nausea
- Skeletal pain
- Vaginal discomfort
- Vaginal hemorrhage
Speak with your doctor for a full list of side effects and warnings related to ESTRING.References
- Estring [package insert].New York, NY: Pfizer, 2018
Frequently Asked Questions about Estring (Estradiol)
What is Estring used for?
Estring (estradiol) is a vaginal ring that reduces symptoms of menopause, such as vaginal irritation, dryness, or pain during sex. It’s also used for atrophic vaginitis and urethritis.
How long does it take for Estring to work?
You should start feeling relief from vaginal dryness and burning within 2 to 3 weeks after starting Estring.
Is weight gain a side effect of Estring?
Weight gain is not a common side effect of Estring.
How long can you stay on Estring?
Estring remains in place for 90 days. After that, it should be removed and replaced with a new ring if continued therapy is needed.
Is Estring stronger than Vagifem?
Estring releases a slightly stronger dose of estrogen than Vagifem. Both are used for similar purposes.
Is Estring considered hormone replacement therapy (HRT)?
Yes, Estring is a form of hormone replacement therapy (HRT) for menopausal symptoms.
What age should you stop taking estradiol?
The decision to stop taking estradiol depends on individual health and needs. Regular discussions with your healthcare provider are essential.
Is Estring uncomfortable?
Estring should not cause discomfort when properly inserted. If you feel any discomfort, adjust its position gently.
What should I avoid while taking estradiol?
Avoid smoking, alcohol abuse, and prolonged sun exposure. Discuss specific concerns with your doctor.
How do you insert Estring?
Insert Estring into the vagina using clean hands. It should remain in the upper third of the vagina. Replace it every 90 days.
Popular Questions
No, Estring and NuvaRing are not the same. Estring contains estradiol and is used for treating menopausal symptoms, whereas NuvaRing contains etonogestrel and ethinyl estradiol for contraception. Both are xxxx rings, but they serve different purposes and contain different hormones.
Source: https://www.canadapharmacy.com/produc...
Estring is a prescription medication used to treat xxxx atrophy, a condition that causes xxxx dryness, itching, burning, and pain during intercourse. It works by slowly releasing a low dose of estrogen into the xxxx , which helps replenish the natural estrogen that decreases after menopause or other medical conditions. This can lead to significant improvement in xxxx symptoms, making intercourse more comfortable and improving overall quality of life. For further consultation, you can contact us at our toll-free number, 1-800-891-0844, or chat with us online. We are available 24 hours a day, 7 days a week.
Estring, a xxxx ring used for hormone replacement therapy, can be expensive due to several factors including research and development costs, manufacturing expenses, and the regulatory approval process. Additionally, pricing may be influenced by market exclusivity, patent protections, and the costs associated with marketing and distribution.
Estring, a xxxx ring that releases estrogen, is not commonly associated with significant weight gain. However, some users may experience mild side effects, and individual responses can vary. It's important to discuss any concerns with your healthcare provider.
Estring, a xxxx ring used for estrogen therapy, can be safely used for up to 90 days at a time before needing replacement. However, the duration of continuous use should be determined by a healthcare provider based on individual health needs and risk factors, with regular follow-up evaluations to ensure its continued safety and efficacy.
Estring, a xxxx ring used for estrogen therapy, is generally considered safe for long-term use under medical supervision. However, it is important to regularly consult with a healthcare provider to monitor for potential risks and side effects, especially for women with a history of hormone-sensitive conditions.
While weight gain is not commonly listed as a direct side effect of the ESTRING (a xxxx ring used for hormone replacement therapy), individual reactions to hormonal treatments can vary. If you experience significant weight changes while using the ESTRING, it's important to discuss this with your healthcare provider.
Estring, a xxxx ring that releases estrogen, primarily addresses symptoms of menopause such as xxxx dryness and irritation. While weight gain is not commonly reported as a direct side effect of Estring, hormonal treatments can affect individuals differently. It's always best to consult with a healthcare provider regarding any concerns about side effects. For further consultation, you can contact us at our toll-free number, 1-800-891-0844, or chat with us online. We are available 24 hours a day, 7 days a week.
Certainly! ESTRING is a xxxx ring used for hormone replacement therapy, and it contains 2 mg of estradiol. It releases approximately 7.5 micrograms of estradiol per 24 hours over a period of 90 days.
View allEstring, a xxxx ring that releases estradiol, is generally used for 90 days at a time to treat symptoms of menopause. Your healthcare provider will determine the appropriate duration based on your individual needs and may recommend periodic reassessment to ensure continued safety and effectiveness.
IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.Product Code : 1513
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