ATC Group: G03CA03 Estradiol

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of G03CA03 in the ATC hierarchy

Level Code Title
1 G Genito urinary system and sex hormones
2 G03 Sex hormones and modulators of the genital system
3 G03C Estrogens
4 G03CA Natural and semisynthetic estrogens, plain
5 G03CA03 Estradiol

Defined daily dose

The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults. The DDD is a unit of measurement and does not necessarily reflect the recommended or Prescribed Daily Dose. Therapeutic doses for individual patients and patient groups will often differ from the DDD as they will be based on individual characteristics (such as age, weight, ethnic differences, type and severity of disease) and pharmacokinetic considerations.

Code Route Amount Notes
NASAL Nasal 0.3 mg
ORAL Oral 2 mg
RECTAL Rectal 5 mg
T-DERMAL Transdermal 50 ug
T-DERMAL Transdermal 1 mg (gel)
VAGIN Vaginal 25 ug

Active ingredients in G03CA03

Active Ingredient

Estradiol, is chemically and biologically identical to endogenous human estradiol. It substitutes for the loss of oestrogen production in menopausal women, and alleviates menopausal symptoms. Oestrogens prevent bone loss following menopause or ovariectomy.

Related product monographs

Document Type Information Source  
 CLIMARA Patch MPI, US: SPL/PLR FDA, National Drug Code (US)
 DERMESTRIL SEPTEM Transdermal patch MPI, EU: SmPC Health Products Regulatory Authority (IE)
 DIVIGEL Gel MPI, US: SPL/PLR FDA, National Drug Code (US)
 ESTRACE Cream MPI, US: SPL/Old FDA, National Drug Code (US)
 ESTRACE Tablet MPI, US: SPL/Old FDA, National Drug Code (US)
 ESTRADERM Transdermal patch MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 ESTRADOT Transdermal patch MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 ESTREVA Gel MPI, US: SPL/PLR Web Search
 ESTRING Vaginal delivery system MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 ESTROFEM Film-coated tablet MPI, EU: SmPC Health Products Regulatory Authority (IE)
 ESTROGEL Gel MPI, US: SPL/PLR FDA, National Drug Code (US)
 EVOREL Patch MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 FEMSEVEN Transdermal patch MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 LENZETTO Transdermal spray, solution MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 MENOSTAR Patch MPI, US: SPL/PLR FDA, National Drug Code (US)
 OESCLIM Transdermal patch MPI, CA: SPM Health Products and Food Branch (CA)
 PROGYNOVA 1mg Coated tablet MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 PROGYNOVA 2mg Coated tablet MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 PROGYNOVA Transdermal patch MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 SANDRENA Gel MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 VAGIFEM Vaginal tablet MPI, EU: SmPC Health Products Regulatory Authority (IE)
 VAGIRUX Vaginal tablet MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)
 ZUMENON Film-coated tablet MPI, EU: SmPC Medicines & Healthcare Products Regulatory Agency (GB)

Medicines in this ATC group

Cyprus (CY)

Ecuador (EC)

Mexico (MX)

Nigeria (NG)

Romania (RO)

Tunisia (TN)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.