Conversation: The conversation between human and AI assistant.
[|Human|] Hi, I have two circular clusters of red itchy bumps on the inner sides of my knees. Theyre in exactly the same spots on either side and are the size of a ten pence peace.I also had some on my hands but they have disappeared. My legs and feet are itchy but theres no rash on them. I have been outside in the cold weather alot but it seems to get worse when I get warmer.
[|AI|]  Hello, Welcome and thanks for posting your query to Chat Doctor. After reading your query it appears the possibility of "Urticaria" aggravated by physical factors. Urticaria is a common condition caused by bursting of allergy producing cells known as "mast cells". As the chemical inside them is released causes the kind of rash which you mentioned. There can be multiple factors producing this condition. In your case it appears to be due to physical factor, especially environmental inform of cold and warm weather. For the betterment kindly follow the suggestions below:-Most important thing to do is to avoid the abrupt change in weather from cold to hot and hot to cold. This would be the most important factor to reduce your problem.-Apply over the counter calamine lotion 3-4 times a day.-You can do cold water compresses to reduce the intensity of itching.-Do not scratch or rub the skin as it can lead to further aggravation.-Kindly stop taking oral steroids as self-medication as it can lead to side effects. So you can take oral anti histamine like loratadine or levocetrizine under medial advice. Despite above measures if the problem is not getting better than it is better to consult a dermatologist for best guidance. Hope this information are helpful." Wish you good health" Chat Doctor.