Diagnose my ailments?

Winter.

And asthma.

Many places where people live that have cold winters get very dry. Chapped lip and cracked skin dry for some. Wheezes are most prominent to asthma, as well as dry cough and shortness of breath. Many asthmatics suffer from cold induced- or cold exacerbated asthma.

Lotion, plenty of fluids. When shortness of breath gets worse, try caffeine until a doctor gets a look. Be sure to make him or her EXPLAIN why they come to any particular diagnosis.

It could just be a cold or the flu (most people attribute the flu to vomiting that's not correct that is called gastroenteritis the flu is an upper respiratory virus) however it could be bronchitis which is irritation and inflammation of the bronchial tubes or pneumonia. If it doesn't go away in a week it's probably the latter 2

Cold or asthma, and you need to moisturize/exfoliate.