Coughs usually go away by themselves within three weeks, according to the NHS.
The best way to get rid of a cough is to get plenty of rest, drink plenty of fluids, and drink hot lemon with honey, it said.
A pharmacist can usually give you advice for treating a cough.
But, marshmallow root supplements could help to relieve signs of the condition, studies have claimed.Related articles
Cough symptoms: Supplements could relieve signs of dry and chesty coughiPhone transfer software
“For anyone suffering from a sore throat, cough or cold, marshmallow root can be taken orally to reduce pain, swelling and congestion,” said nutritionist Dr Josh Axe.
“Its antitussive properties and mucilage abilities allow it to decrease irritation of the throat, reduce swelling in the lymph nodes, speed up healing time and reduce aggravating dry coughing.
“This is exactly the reason that marshmallow extract is added to many cough syrups and throat lozenges.
“It’s one of the most