Cách sử dụng
The expression "over the counter" is used to describe medicine or drugs that you can buy without a prescription from a doctor. These medicines are usually available at a pharmacy or drugstore and can be purchased directly by the customer without any special permission. Examples of over the counter medicines include aspirin, cough syrup, and allergy medication. It is important to follow the instructions on the package carefully when taking any over the counter medicines to avoid any negative side effects.