Tamoxifen is a selective estrogen receptor modulator used medically in the treatment and prevention of certain hormone-receptor-positive breast cancers.

The Deva presentation is listed as an oral tamoxifen citrate product with a 20 mg strength. The available GORoids page confirms the active substance and oral formulation.

The exact pack quantity should be verified from the physical packaging before publication. GORoids should also retain the applicable warnings, contraindications, storage requirements, and professional-use information.