Plant Rash: typically associated with poison oak, ivy or sumac plant oils that come in contact with the skin. Plant rash is not limited to poison plants exclusively. Plant oil or residue causes skin irritation resulting in rash.

Skin Rash: general skin rash is associated with many topical irritants. Rash results from allergies: drug, chemical, contact irritant or substance in the environment.
 
Heat Rash: related to body heat exposure or high temperatures. Prickly heat rash develops in response to elevated body temperatures or exposure.
 
Chemical Rash: result of chemical substance skin exposure. Chemical rash include: detergents, soaps, solvents, deodorants, make-up, or other reactive chemical substances.

Skin Allergy Rash: allergic reaction to substances that cause rash. Allergies may be associated with synthetic or natural products: tape, bandages, latex gloves, plants, grass, carpet, more.