itchy skin

Itching, ear infections, vomiting, and loose stools can have many causes—and popular allergy tests may not provide a dependable answer. Confirming a food allergy usually requires a carefully controlled diet trial followed by a deliberate food challenge. A dog that constantly licks its paws or a cat that scratches around its face may appear to be reacting to food. Yet those signs alone canno.. ดูเพิ่ม