What Causes Itchy Rashes And Swelling On Lips And Eyes?
Pressure urticaria and its management
Detailed Answer:
Hello,
Welcome to healthcare magic.
I understand that your friend has been having itchy rashes for about a month now.
From your description, I would consider the diagnosis of Pressure urticaria and also erythema annulare centrifugum.
Pressure urticaria is a type of skin reaction / allergy where the skin swells up after application of pressure, either immediately or after few hours. ( when it is called "Delayed pressure urticaria"). This swelling lasts for a few minutes to hours, typically subsides within 24 hours and appears elsewhere on the body on areas where pressure has been applied.
There is no specific cause for this. Occasionally, it could occur as a reaction to a particular food, drug or infection. It subsides spontaneously on its own within a few months or sometimes years.
Are the rashes he is having transient? How long do they last without any medications?
Has your friend introduced any new food item ( including health supplements like green tea) or is he on other medications?
The other possibility I would consider is another type of skin reaction called as "Erythema annulare centrifugum". This is being considered only based on the description of circular lesions given by you.
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Kindly revert back with the above clarifications.
Regards,
Dr. Johny Chacko