Question: what to do when my 2 year old has a cough?
Answer: Use saline nasal drops. You can buy these over-the-counter nasal drops at a pharmacy. ... 
Offer fluids. ... 
Offer honey. ... 
Elevate your child's head when sleeping. ... 
Add moisture with a humidifier. ... 
Talk a walk in cold air. ... 
Apply vapor rub. ... 
Use essential oils.