conjugated estrogens
| Drug Name | Form | Strength | Formulary Unrestricted | Formulary Restricted | Non-Formulary | Interchange |
|---|---|---|---|---|---|---|
| Premarin Intravenous | POWDER FOR INJECTION, INJECTABLE | 25 mg | ||||
| Cenestin, Enjuvia | TABLET, ORAL | synthetic 0.9 mg, synthetic 1.25 mg | ||||
| Cenestin, Enjuvia | TABLET, ORAL | synthetic 0.3 mg, synthetic 0.45 mg, synthetic 0.625 mg | ||||
| Enjuvia | TABLET, ORAL | 0.3 mg | 0.625 mg | ||||
| Premarin | TABLET, ORAL | 0.3 mg, 0.625 mg, 1.25 mg | ||||
| Cenestin | TABLET, ORAL | 0.45 mg | 0.625 mg | ||||
| Premarin | TABLET, ORAL | 0.45 mg, 0.9 mg |
Generic Premarin oral tablets should be utilized for all doses of conjugated estrogens as a 1:1 mg dose conversion.
Cenestin, Enjuvia: Discontinued by manufacturers.
Reviewed: October 25, 2006, February 2026 (Therapeutic Interchange Update)
Estrogens, Oral Formulary Update SBAR.pdf