Tablet: Store at temperatures not exceeding 30°C. Protect from light.
Injection: Store below 25°C. Protect from light. Some increase in the color of prepared solutions and suspensions of Zinacef injection may occur on storage.
Reconstituted suspensions of Zinacef for intramuscular injection and aqueous solutions for direct IV injection retain their potency for 5 hours if kept below 25°C and for 48 hours if refrigerated.