Red rash on knee, getting worse. Why?
I've got a strange red rash on my knee. It's not massive but it's got worse within the last few days and I'm not sure why.
Thanks for posting your query.
I have seen the picture attached with the query. The rash on your knee is likely to be a bruise. If there is a history of trauma to the area then let me reassure you that it is a small bruise and it will improve on its own over 7-10 days.
In case there is no history of injury then this bruise is suggestive of a bleeding disorder.
You need to consult your physician to get a complete blood coagulation profile checked with APTT and platelet count to rule out other possible causes like thrombocytopenia.
This can also happen due to a viral infection in the recent past- decreases the synthesis of platelets from the bone marrow.
Presence of any autoimmune disorders also needs to be ruled out.
The treatment is based on the diagnosis and severity of the problem. Treatment is usually done by fluid infusion, steroids, immunoglobulins, blood transfusions, etc according to the severity of the condition.
I hope this answers your query.
In case you have additional questions or doubts, you can forward them to me, and I shall be glad to help you out.
Please accept my answer in case you do not have further queries.
Wishing you good health.
Dr. Praveen Tayal.
The User accepted the expert's answer
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