The class of a Texas driver license is determined by the: 1  Type of vehicle operated on a Texas roadway. 2  Gross vehicle weight rating (GVWR) of the vehicle or the gross combination weight rating (GCWR) of the vehicles towed. 3  Number of passengers the vehicle can hold.
How Do I Know if I Have Eczema, and Not Something Else? The truth of the matter is, eczema has a lot of overlapping symptoms with other skin problems. The most common signs - dry, itchy skin; swollen reddish patches; and rashes - are the same with other conditions, like seborrhoeic dermatitis or psoriasis.
Eczema Causes. Doctors don't know exactly what causes eczema. The most common type of eczema -- atopic dermatitis -- resembles an allergy. But the skin irritation, which is more often seen in children rather than adults, is not an allergic reaction.The current thinking is that eczema is caused by a combination of factors that include: 1  Genetics.czema Causes. Doctors don't know exactly what causes eczema. The most common type of eczema -- atopic dermatitis -- resembles an allergy. But the skin irritation, which is more often seen in children rather than adults, is not an allergic reaction.