Can humans catch fleas from pets? can they nest in your hair and what not?

Yes, you definitely: can get fleas from a pet altho fleas prefer furry animals. Flea bites in people tend to occur in hidden areas like the groin, waistline and folds in skin & are treated with steroids & antihistamines. If you have bites or itching in your scalp, it's more likely head lice or scalp ringworm. If your pet has fleas, the pet & its environment need to be treated. Your vet can give u more info.