Compound aminoglutethimide capsules can make you sleepy. Compound aminophenol alkylamine capsules are antiviral cold and flu compound which contains chlorpheniramine maleate, the biggest side effect of chlorpheniramine maleate is drowsiness. Most cold remedies contain chlorpheniramine maleate, an ingredient that is good for nasal congestion and fever. Avoid driving and don’t work at heights when taking cotrimoxazole capsules. The vast majority of colds are viral, so drink plenty of fluids, rest and keep warm.