Itchy ears and itchy anus are considered to have the following conditions: 1. eczema, caused by contact with allergic tree hair, willow, mold, animal fur and other inhaled allergic substances. 2. contact dermatitis, which may be due to allergic reactions from the application of safflower oil, medicinal oils and creams. 3. psoriasis vulgaris, which is mostly accompanied by an itchy erythematous scaly rash, is caused by metabolic factors such as hypertension, hyperlipidemia It is caused by metabolic factors such as high blood pressure, high blood lipids, and endocrine disorders such as higher than normal blood sugar, hyperthyroidism or hypothyroidism, or genetic factors.