An herb or compound that blocks – or suppresses – the cough reflex.

See Also: Antitussive

Cough Suppressant vs. Expectorant

Normally, coughing is the body’s way to clear the airways of mucus. As such, you should only use a cough suppressant for dry, hacking coughs. Say, for example, you need to catch some zzz’s but a nagging cough won’t let you? A cough suppressant would be what you need.

If your cough produces mucus, on the other hand, you would take an expectorant to thin the mucus, making it easier to expel to more easily expel it, look into expectorants.On the other hand, if you need to thin mucus, to make it easier to expel, you would use an expectorant.