Recently, i have been experiencing itchiness on my skin when the temperature drops, there are red patches when i scratch. what does this mean and what should i do to get rid of it.

Itch: Itching of the skin without an accompanying rash is often due to excessively dry skin. Try applying a moisturizing lotion to your skin after a shower while the skin is still wet. This restores oils in the skin and improves the dryness. If your house is dry, add a humidifier. See a dermatologist as needed. Appropriate testing, kidney, thyroid,sugar, liver enzyme levels,will be done to investigate i