Cotrimoxazole Methoxanamine Capsules, mainly have side effects such as rash, redness of the skin, itching, nausea, vomiting, vertigo as well as drowsiness and lethargy. Cotrimoxazole Capsules is a compound preparation, the main ingredients of which are methenamine hydrochloride , aminophylline , and noscapine, etc. It is used for the treatment of bronchial asthma and wheezing bronchitis and other conditions. Side effects such as rash, reddening of skin, itching, nausea, vomiting and dizziness may occur when taking the drug, and you should stop taking the drug and seek medical advice when these adverse reactions occur. Because Compound Methenamine Capsules have the effect of inhibiting the central nervous system, it is easy to cause drowsiness, lethargy and other symptoms after taking it, so it should not be taken when driving a vehicle or operating precision instruments. It is forbidden for people who are allergic to the ingredients of the drug, nursing women, infants and children under 8 years old. If there is any discomfort after taking the drug, go to the hospital for treatment in time.