The physician orders ibuprofen 600 mg po prn for cramping. The medication is supplied in 200-mg capsules. How many capsules will the nurse administer?

Order: Ibuprofen 600 mg po prn Supply: 200 mg capsules To calculate the number of capsules, divide the desired dose by the strength of each capsule: 600 mg200 mg/capsule=3 capsules Answer: 3 capsules