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Human immunodeficiency virus (HIV) is a virus that causes acquired immune deficiency syndrome (AIDS). HIV/AIDS weakens your ability to fight infections. It is contracted through unprotected sex or needle sharing with an infected person.
Eczema, or atopic dermatitis, is an allergic condition that causes inflammation of the skin. It can be triggered by just about anything coming in contact with the skin. It occurs most commonly in people who have sensitive skin.