Cadistin Expectorant is a combination medicine used to treat cough. It thins the mucus in the nose and windpipe, making it easier to cough out. This medicine also relieves allergic symptoms like runny nose, watery eyes, sneezing, throat irritation. The most common side effects are nausea, diarrhea, stomach pain, vomiting, headache, rash, and allergic reaction. Most of these are temporary and usually resolve with time.