Ambrotrust-LS Syrup is a combination drug intended to treat coughs with mucus. It thins the mucus in the nose, windpipe, and lungs, making it simpler to cough out. Ambrotrust-LS Syrup relieves a cough with mucus. It helps to soften thick mucus, making it simpler to cough out. This improves breathing and minimizes the frequency of coughing. Ambrotrust LS Syrup will also help with allergy symptoms such as watery eyes, sneezing, a runny nose, and throat irritation. Along with meds, drink plenty of lukewarm water and gargle with warm salt water to alleviate symptoms.