* Mild cases can be treated with over-the-counter medications containing dextromorphan
, such as Robitussin DM[R], dosed carefully by weight according to label instructions.
Opioid derivatives (codeine, dextromorphan
and pholcodine) act directly on the cough centre in the brain, inhibiting the cough reflex.
For the dry cough, choose a preparation containing dextromorphan
, an excellent suppressant.