We need to know if medications have side effects

Sometimes, medicines given to children to treat a disease can cause an unintended effect, such as a headache or a rash on the skin. This is what we call a side effect. During the study of a medicine, it is very important for doctors to know whether there are any side effects in the children. If these harmful effects occur, they should always smaller than the positive effects that the medicine can bring to the child’s health.