A mucus cough is the result of an over production of mucus in
the chest. It's usually caused by a viral infection, such as cold or
flu. When you have a mucus cough, your airways are irritated by
mucus and your chest may feel heavy and congested.
Introducing BENADRYL[R] MUCUS RELIEF[TM] Double Action. It
contains ingredients that are effective in relieving the symptoms
of a mucus cough.
Its powerful formula works in 2 ways:
1) Breaks down and;
2) Thins the mucus, so it can be expelled more easily.