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Date of last update: 10/18/2017.

Forum Name: Dermatology Topics

Question: lump under skin from scratching?


 dvsinla - Wed Jun 16, 2010 2:35 pm

hi

wasn't sure if this is the right area to post. i tend to scratch my groin area when i go running... just below pubic hair area... (not std related... have done for years) but last night i scratched a lot and immediately noticed a hard lump under the skin

doesn't hurt, not discolored in any way

can this happen from scratching?

had a lump once before after scratching armpit... small lump popped up... that one was painful but it disappeared after a few days. that was a few years ago.

i don't drink, smoke, do drugs and i run over 20 miles a week

thanks
 Dr.M.jagesh kamath - Thu Jun 17, 2010 8:57 pm

User avatar Hello,Pediculosis pubis is a condition caused by a parasite Phthirus pubis in the pubic area.The spread is by skin to skin contact not necessarily sexual or through clothing.Itching is a common symptom.Vigorous itching would lead to raised swelling.
Do look out for these parasite which may be seen attachec near the hair at skin level and may look more like a black spot.
Permethin creme as a 10 minute application or oral ivermectin are the treatments given with good results.Partner treatment is essential.
Do consult your doctor.Other possiblities would include fungal infections or a furuncle.
Best wishes.

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