Because amoxicillin is a prescription, you need a prescription from a doctor to get the medicine. It can be observed that common medicines, such as Ganmao Capsule and Huoxiang Zhengqi, have OTC marks on their packages, which are over-the-counter medicines that can be bought in pharmacies and are mild in nature. It is best not to take amoxicillin easily, because the hospital will prescribe this medicine when you are seriously ill. If you take it often, it will become resistant, and it will not be very useful then. You can take roxithromycin for minor ailments. In fact, it is best not to take medicine for diseases like colds. Eat more fruits, have a good rest, drink more water, and you can also eat some vc. With antibodies in your body, you will catch fewer colds in the future, and even if you catch a cold, the symptoms are very light.