Store ZTALMY in its original bottle, in an upright position, and at 68°F to 77°F (20°C to 25°C). Use ZTALMY within 30 days of first opening the bottle, then properly dispose of any unused medicine after 30 days. Always keep ZTALMY and all medicines out of reach of children. Keep the child-resistant caps tightly closed. Keep ZTALMY in a safe place to prevent misuse and abuse. ZTALMY is a federally controlled substance (CV) because it contains ganaxolone, which can be abused and can lead to dependence.