Cotrimoxazole tablets and 999 Cold & Flu are not usually recommended to be taken together, and one can be taken alone when you have a cold.
999 Cold and Flu is a compound preparation containing acetaminophen, and Compound Aminophenol Alkylamine Tablets also contain a large amount of acetaminophen, if taken together, acetaminophen overdose may produce dizziness, fatigue, nausea, vomiting, etc., and if the dose is too large, it may even cause liver and kidney damage.
Acetaminophen is a common antipyretic and analgesic, commonly used in common cold or influenza, can be used to treat headache, fever, runny nose, sore throat and other symptoms caused by colds, but due to its side effects on the gastrointestinal tract, it is easy to cause abdominal pain, nausea, vomiting, etc., so it should be taken after meals.
If the cold is not relieved after taking the medication as prescribed by the doctor, you should seek medical advice to clarify the cause of the illness and further treatment under the doctor’s guidance.