mam actually both of my sons are looking very lean and also my younger son is having some type of rashes in the stomach area.how can I make them to gain little bit weight atleast to reach their age limit

A. hi dear Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune system disorders and medications. One of the most common skin disorders that causes a rash is atopic dermatitis (ay-TOP-ik dur-muh-TI-tis), also known as eczema. I suggest you to choose a good brand for your little one like this brand is most trusted by mom's please