13 month old only weighs 16 pounds. Frequent cough. Frequent snotty nose. Frequently rattles when breathes. Loves to eat and will eat most anything. Drinks Lots of milk, water, juice. Normal development other than weight.

there are so many,but a salty taste in the sweat can be a sign,constant cough,chestyness,blocked nose,vomiting mucos,all these symptoms can also mimic an allergy to cows milk