Drugs for the treatment of urinary tract infections do not have absolutely little side effects, you can choose drugs according to their own situation, such as quinolones, cephalosporins, amoxicillin and so on. 1. Quinolones: common drugs are levofloxacin capsules, norfloxacin capsules, ciprofloxacin capsules and so on. Common adverse reactions of such drugs include gastrointestinal reactions such as nausea and vomiting, prolongation of QT interval, central nervous system reactions such as mild dizziness and blurred consciousness. 2. Cephalosporins: including cefuroxime, ceftriaxone sodium, cefadroxil capsule, cefaclor capsule, etc. Common side effects include gastrointestinal reactions, which can be characterized by loss of appetite and nausea. If patients with hepatic insufficiency, use should be minimized. If there is cephalosporin allergy is prohibited. 3. Penicillin: common drugs are amoxicillin capsules, ampicillin capsules, etc. Penicillin is prone to allergic reactions, penicillin allergy is prohibited, common side effects are anaphylactic shock, skin redness, swelling, itching and so on. Any drug has side effects, urinary tract infection patients choose which drugs, should promptly go to the hospital, under the standardized guidance of the doctor to choose the appropriate drugs, not unauthorized use of drugs.