It is possible that the urge to go to the toilet in the fifth month of pregnancy is just a symptom of the enlarged uterus pressing on the bladder, which is a physiological phenomenon that does not require any treatment and therapy and will slowly get better on its own, or it may be a manifestation of urinary tract infection caused by bacteria and other pathogenic microorganisms due to low resistance, which requires routine urination and urine culture for a clear diagnosis. If there is indeed a pathogenic microorganism infection, you need to choose some antibiotics that can sterilize and have no effect on the fetus according to the drug sensitivity, such as amoxicillin capsules and cefuroxime tablets for 5-7 days of continuous treatment, you can basically control the urinary tract infection, and the feeling of always wanting to go to the toilet will slowly improve. You should usually drink a lot of water, at least 2000mL per day, to fully diuretic to help avoid the infection.