Take this medicine in the dose and duration as advised by your doctor. Check the label for directions before use. Measure it with a measuring cup and take it by mouth. Shake well before use. Fycon 400mg Syrup may be taken with or without food, but it is better to take it at a fixed time. Avoid Fycon 400mg Syrup with caffeine and chocolate as well as food containing caffeine and chocolate such as tea leaves, cocoa beans.
Fycon inhibits an enzyme called phosphodiesterase which results in bronchodilation (dilation or widening of the airways in the lungs by relaxing the surrounding smooth muscle). It is used for the treatment of asthma and chronic obstructive pulmonary disease (COPD). COPD is a lung disease characterized by chronic obstruction of lung airflow that interferes with normal breathing and is not fully reversible.