Biocof-D Syrup is a cough treatment that combines many medications. It thins mucus in the nose and windpipe, making it easier to cough out. Biocof- D Syrup relieves cough by releasing heavy mucus and making it simpler to cough up. It also improves the flow of air into and out of your airways. This minimizes the frequency of coughing and helps you feel better. Take it as directed by your doctor. Along with meds, drink plenty of lukewarm water and gargle with warm salt water to alleviate symptoms.