Compound Methocarbamol should not normally be taken with Amoxicillin, it can be taken with Finasteride and Tamsulosin. Patients need to take into account their own situation and ask their doctor for guidance. Cotrimoxazole is mainly used for the treatment of bronchial asthma, wheezing bronchitis, as well as other respiratory diseases, to improve the symptoms of coughing, coughing up sputum, wheezing and so on. For patients suffering from asthma and other diseases, the use of Amoxicillin should be contraindicated to avoid adverse effects on the body. Therefore, compound methoxynamine generally can not be taken with amoxicillin. Some patients may experience adverse reactions such as indigestion and vomiting while taking Amoxicillin. Finasteride can be used to treat renal insufficiency and control benign prostatic hyperplasia. There are no obvious drug contraindications between cotrimoxazole and finasteride, and they can usually be taken at the same time. Adverse effects of Finasteride are mild and transient and may include breast discomfort and rash. Tamsulosin can relieve dysuria caused by benign prostatic hyperplasia, and there are also no obvious contraindications between it and cotrimoxazole, which can usually be taken at the same time. However, during the administration of cotrimoxazole, adverse reactions such as rash, drowsiness and dry mouth may occur, while the adverse reactions of tamsulosin include dizziness and decreased blood pressure. For those who are allergic to the above drugs need to be contraindicated, and patients need to use the drugs under the guidance of a doctor.