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Bleeding ingrown hair on knee and tender femoral lymph node

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About 4 days ago I had what I thought was an ingrown hair on my knee and bled it a bit to release the pressure, but 24 hrs ago I noticed it was black immediately around the site and red and swollen around it. That evening I noticed my femoral lymph nodes on that side were very tender, along with the area connecting them. I originally thought that must have been a pulled groin, as I work in construction. I now am experiencing a mid-grade fever with chills and overall body ache. What might this be, and how dangerous is it?

Category: Family Physician-GP

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Category: HIV- AIDS Specialist
 31 Doctors Online


Thank you for asking your query at DoctorSpring.

It seems the red /swollen lesion (probably a folliculitis) has got infected with bacteria. The most common cause in Staphylococcus aureus. The enlarged Lymph nodes denote infection and inflammation (as it drains that part of the leg). Sp basically there is bacterial infection, which is reflecting in the lymph nodes are swelling and in your body as fever and chills. You will defenitly require antibiotics (like Cloxacillin / Cephalosporins) for 7 days (in consult with your Doctor). For the pain and inflammation you can take an OTC, NSAID like Ibuprofen 400mg twice daily. If there is any pus discharge it will require cleaning and dressing. Now there are two things to consider in addition.

1. It is not very usual for a superficial skin infection to cause fever. So any other cause of fever needs to be looked into by a Physical examination
2. Co existing Diabetes needs to be ruled out by doing a Fasting Blood Sugar.
How dangerous it is ? Well this per se is not dangerous. But you will need early antibiotics. Otherwise it can lead on to complications like spread of infection.

Hope this helps
Please feel free to ask followup questions.
Thank you

Dr. Jaydeep Tripathy
Category: HIV- AIDS Specialist
MBBS from Sri Ramachandra University in December 2011
M.Med (Family Medicine) - TNMGR University, Chennai
MBA-MPH in Public Health in March 2016, SRM University
Finished AFIH in March 2016, SRM University
MRCP ( UK ), Internal Medicine, Royal College of Physicians, June 2016
Fellowship in Diabetology from Martin Luther University in January 2017

Currently Resident Physician, in MD Radiodiagnosis - Kamakshi Memorial Hospital, Chennai
Dr. Jaydeep Tripathy and 4 other Medical Specialists are ready to help you

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