Itchy skin in 70 year olds can be caused by physiologic or pathologic factors. Common pathological factors include: systemic diseases, allergic reactions and so on.
1. Physiological factors: with age, the secretion function of sebaceous glands will gradually reduce, so the sebaceous membrane is more susceptible to external influences, become fragile, dry, so the elderly skin is easy to dry, and then it is easy to appear itchy skin performance.
2. Systemic diseases: including acute and chronic renal failure, diabetes mellitus, cirrhosis, malignant tumors, uremia, etc., there will be itchy skin, and need timely treatment.
3. Allergic reaction: because the elderly body immunity is relatively low, it is easy to be affected by the external environment to produce an allergic reaction, certain foods or drugs can also lead to allergies, skin effects, itchy symptoms.
In short, for the 70-year-old elderly itchy skin phenomenon, we should actively treat the primary disease and ensure good living habits, it is recommended that the bath do not use too hot water.