What does the prescription "Ibuprofen 600 mg qid pc and hs prn muscle spasms" indicate?

The prescription indicates that the patient should take ibuprofen, specifically 600 mg, four times a day. The term "qid" is a medical abbreviation for "quater in die," which translates to "four times a day." The addition of "pc" means "before meals," and "hs" stands for "hora somni," which means "at bedtime." The "prn" aspect signifies that the medication is to be taken as needed for muscle spasms, rather than on a strict schedule.

Therefore, the correct interpretation of the prescription is that the patient is to take the ibuprofen by mouth four times a day, specifically before meals and at bedtime, when necessary for muscle spasms. This detailed understanding of the prescription helps ensure proper administration of medication to manage the patient's symptoms effectively.