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Dermatology (Expert Forum)
Tinea
Welcome to the DERMATOLOGY FORUM! Questions in this forum are answered by Dermatologists from St. Luke's Roosevelt Hospital, under the direction of Andrew Alexis, M.D., M.P.H.
Tinea
by Trish__0__0, Jul 19, 1999 12:00AM
Posted by Trish on July 19, 1999 at 18:01:32
My 16 yr.old son recently developed Athlete's feet after a trip. After a week he developed 2 spots on his knees. I took him to a dermatologist who was puzzled. He scraped and took samples to send for a lab exam. He poked one of the spots with a q-tip. He said it wasn't athlete's foot. That night the spot blistered and became filled with clear fluid. The doctor prescribed Keflex 500mg. 4 times a day for 10 days. He said if it is bacterial it will respond. It is responding. I am wondering if athlete's foot can show up on the knee also? We haven't heard back from the doctor on the culture. Can a bacteria cause skin eruptions? Thanks!
Posted by DERM M.D. ASR on July 19, 1999 at 19:56:54
Trish:
Sounds like impetigo (a bacterial infection) on the knee. Keflex should do the job. Check with your dermatologist -- I bet the culture showed staph germs, or maybe strep.
Fungus can affect the knee, but it would look like a scaly spot, rather than a blister.
Ah, the joys of mothering a 16-year-old!
Dr. R (my youngest is 22, a recovering fungusite)
Keywords: impetigo, bacteria, fungus, athlete's foot
