Trimethoprim, or trimethoprim maleate tablets, can usually be taken continuously for 1 week, and the treatment program needs to be adjusted if the condition does not improve. Trimethoprim maleate tablets are used to treat nausea, vomiting, belching, loss of appetite and other symptoms caused by gastrointestinal disorders, as well as to treat irritable bowel syndrome. It is usually taken for about 1 week, and the specific time of taking the medicine depends on the patient’s age, symptoms and other conditions as prescribed by the doctor. Taking Trimethoprim Maleate Tablets may cause adverse reactions such as thirst, diarrhea, constipation, drowsiness, dizziness, headache, rash, liver function impairment, jaundice and so on. It is contraindicated for those who are allergic to the drug; pregnant women, lactating women and children should be cautious. It is recommended to use the drug under the guidance of a physician, do not take the drug on your own, so as not to cause adverse reactions.