- Allergic Reaction: Often characterized by a sudden red, itchy rash, allergic reactions can be caused by a variety of substances, such as foods, medications, or contact with certain materials.
- Eczema: This condition, also known as atopic dermatitis, leads to dry, itchy skin and red patches.
Stress, irritants, and allergens can trigger eczema.
- Psoriasis: Identified by red, scaly patches on the skin, psoriasis is an autoimmune condition. These patches can be itchy or sore.
- Insect Bites: Bites from insects like mosquitoes or bed bugs can cause red, itchy welts on the skin.
- Heat Rash: Occurring in hot, humid conditions, heat rash causes small red bumps that can feel prickly or itchy.
- Fungal Infection: Fungal infections like ringworm can present as circular, red patches on the skin, often accompanied by itching.
- Contact Dermatitis: This is a red, itchy rash caused by direct contact with a substance or an allergic reaction to it.
