No, dermatitis cannot spread by touch. Dermatitis is an umbrella term used to describe a variety of skin conditions, such as eczema, psoriasis, and contact dermatitis. These conditions are not contagious and cannot be spread from person to person through physical contact.
However, some forms of dermatitis, such as contact dermatitis, can be spread through contact with certain triggers. Contact dermatitis is an allergic or irritant reaction caused by contact with a particular substance. If someone with contact dermatitis touches an allergen or irritant, they can spread it to another person through physical contact. For example, if someone with contact dermatitis touches a plant that causes them to develop a rash, they can spread the allergen to someone else by shaking hands.
In addition, some forms of dermatitis can be spread through sharing personal items, such as towels and clothing. For instance, if someone has scabies, a form of dermatitis caused by mites, they can spread the mites to another person by sharing towels or clothing.
In summary, dermatitis cannot be spread through physical contact, but some forms of dermatitis can be spread through contact with certain triggers or sharing personal items.