Urine occult blood 1 + how long can be cured is mainly based on the cause of urinary occult blood judgment, can not be generalized. There are physiological and pathological factors that cause urinary occult blood. 1. Physiological factors, such as a lot of exercise, fatigue, women before and after the physiological period, there can be occult blood in the urine, usually after the elimination of the causative factors can be hours. 2. Pathological factors, mainly due to the following three reasons, one is inflammation (infectious, non-infectious), a stone, and then a tumor. Infectious causes (urethritis, pyelonephritis), generally 1 to 2 weeks after antibiotic (cefdinir, cefixime, etc.) treatment can be cured. Chronic inflammatory conditions need to generally take longer to heal, in which glomerulonephritis, IgA nephropathy, etc. may be positive for urinary occult blood for a long time. Urinary stones may disappear with urinary occult blood after stone removal or extracorporeal lithotripsy. And tumors (kidney cancer, bladder cancer, etc.) basically need to be treated by surgery or long-term drug treatment before they can be cured. It is recommended that patients with positive urinary occult blood should consult the hospital in time and complete the relevant examinations under the guidance of the doctor. If it is caused by pathological factors, it should be treated actively to avoid the development of the disease.