Frequent urination after taking levofloxacin may be caused by the effect of the drug, or it may be caused by drinking too much water, urinary tract infections, overactive bladder syndrome and other reasons. 1. drug effects: levofloxacin is metabolized by the kidneys, the components of the drug into the urinary system, causing stimulation of the urinary system to produce more urine, which will appear after eating levofloxacin urinary frequency, this is a normal phenomenon, after stopping the drug, urinary frequency of the symptom will generally disappear. 2. Drinking too much water: it may lead to frequent urination, which is a physiological frequent urination, after taking levofloxacin may cause urine crystallization, drink more water to make the concentration of the drug in the urine to reduce, to avoid the occurrence of crystalline urine. 3. Urinary tract infection: may be due to pathogenic microorganisms caused by urinary tract infection, mainly manifested as frequent urination, urinary urgency, urinary pain at this time to drink more water, you can also follow the medical advice to use sodium bicarbonate, potassium citrate and other drugs to alkalize the urine to improve the symptoms. 4. overactive bladder: is a bladder dysfunction disease, characterized by urinary urgency, often accompanied by frequent urination and nocturia symptoms, you can do some bladder training, such as holding urine and regular urination training, you can also follow the doctor’s instructions to take tolterodine and solinacin and other drugs to inhibit the contraction of bladder forced urethral muscle, relieve urinary frequency. During the period of taking levofloxacin, it is recommended that patients should drink more water and urinate diligently, so as to improve the clinical symptoms of patients more quickly, in addition, pay attention to local hygiene to avoid infection. After taking levofloxacin urinary frequency is too frequent, you should consult the doctor in time, under the guidance of the doctor to clarify the cause of the disease, with the treatment.