Question: how do you treat a 1 year old with a cold?
Answer: Offer plenty of fluids. Liquids are important to avoid dehydration. ... 
Thin the mucus. Your baby's doctor may recommend saline nose drops to loosen thick nasal mucus. ... 
Suction your baby's nose. Keep your baby's nasal passages clear with a rubber-bulb syringe. ... 
Moisten the air.