ESTRADIOL vs ESTRING

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Attribute	ESTRADIOL	ESTRING
Rating	68/100	64/100
Pharmacy pays	$6.55 /g	$6.55 /g
Type	RX	RX
Active ingredient	ESTRADIOL	ESTRADIOL
Manufacturer	Aurobindo Pharma Ltd	Pfizer
Dosage forms	Topical, Tablet	System
Drug class	Estrogen	Estrogen
Boxed warning	Boxed warning	None
Treats	Breast Neoplasms, Hypogonadism, Premature Menopause	Breast Neoplasms, Hypogonadism, Premature Menopause

estradiol estring

Rating

68/100

64/100

Pharmacy pays

$6.55 /g

Type

Active ingredient

ESTRADIOL

Manufacturer

Aurobindo Pharma Ltd

Pfizer

Dosage forms

Topical, Tablet

System

Drug class

Estrogen

Boxed warning

None

Treats

Breast Neoplasms, Hypogonadism, Premature Menopause

Frequently asked questions

Which is better-rated, Estradiol or Estring?

By our independent rating, Estradiol scores higher — 3.4 vs 3.2 out of 5 for Estring. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Estradiol or Estring?

Pharmacies pay about the same to acquire either one — roughly $6.55 per gm, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Estradiol and Estring?

Both Estradiol and Estring share the active ingredient Estradiol.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.