asian man scratching his hand. concept of itchy skin diseases such as scabies, fungal infection, eczema, psoriasis, allergy, etc

allergic allergy arm bee bite burn burning disease dry eczema elder finger fingers forearm fungal fungus hand hands hot infection inflammation insect irritation isolated itch itching itchy joint man mosquito old pain painful problem pruritus psoriasis rash red redness scabies scratch scratching skin sting stinging symptom tinea tingling wrist young