What is the meaning of "q.s." in medical prescriptions?

The term "q.s." in medical prescriptions stands for "quantity sufficient." This abbreviation is used to indicate that a certain quantity of a substance is to be provided in order to achieve the desired effect or to meet the needs of a specific preparation without specifying the exact amount. It allows flexibility, which is especially useful in situations where precise measurements may be variable depending on other factors, such as the form of the medication or the particular requirements of a patient's treatment.

In a clinical or pharmacy setting, understanding abbreviations like "q.s." is essential as it helps ensure that medications are prepared and administered correctly, allowing for effective and safe patient care.