Key facts
- Active ingredient
- Estrogens, Conjugated
- Drug class
- Estrogen
- Form
- Tablet
- Strength
- ESTROGENS, Conjugated 0.3MG · ESTROGENS, Conjugated 0.45MG
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- Manufacturer
- Wyeth Pharms Inc
- FDA application
- NDA021417
Drug class
How this class works, per Estrogen - StatPearls - NCBI Bookshelf.
Dosage forms
Tablet
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
Manufacturer copay cards & patient-assistance programs — especially for brand drugs.
Compare alternatives
A same-class option may cost less. See alternatives →
Frequently asked questions
- How does Premarin work?
- Premarin is a estrogen. Estrogen is a sex hormone that enters cells and binds estrogen receptors; the hormone-receptor complex then moves into the nucleus and switches target genes on or off. Through this it thickens the uterine lining, helps protect bone, supports breast and vaginal tissue, and shapes cholesterol levels.
- Is there a coupon or discount for Premarin?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Premarin. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Premarin?
- Premarin is marketed by Wyeth Pharms Inc. You can see Wyeth Pharms Inc's full profile, rating, and other products on pharmaranks.
- Is Premarin a brand-name or generic drug?
- Premarin is a brand-name product with the active ingredient Estrogens, Conjugated.
- Is Premarin available over the counter?
- No. Premarin is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Premarin come in?
- Premarin is currently marketed as tablet, per the FDA's National Drug Code Directory.
- What class of drug is Premarin?
- Premarin is classified as estrogen, per the FDA's Established Pharmacologic Class.
- Is Premarin FDA-registered?
- Premarin is on record with the U.S. FDA under application number NDA021417. You can verify this on its official FDA label.
Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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