Antibiotics can be divided into two categories in terms of efficacy. One is the bacterial state and the other is the bacterial side. The first one does not directly destroy the germs in our body but rather builds a covering around the germs so that they gradually weaken and become ineffective without getting living materials. These antibiotics are still prescribed by big doctors in our country. kotromoxazol (cottrim) azithromycin (Zemax, Zethrin) This group of drugs. These are not harmful to our body. But those who have different sensitivities with these groups should be careful. In the words of the second, these drugs are widely used in our country only because of their commercial value. These antibiotics directly attack the germs' body structure and kill them. In our country , drugs like Cefradin , Cefixime , Cefuroxim, Ceftiaxon etc. belong to this category. Also includes drugs of the penicillin group and this class. If the course of this class of antibiotics is not completed properly, then they become resistant in the body. However, after completing the course of antibiotics as advised by the doctor, there is usually no problem. Taking these drugs or any antibiotic can cause nausea , loss of appetite , dizziness , gastric problems , constipation , insomnia and other side effects. Drinking plenty of water can be a little free from all these problems.