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Dermatology  (Expert Forum)
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pimple like marks on buttocks
Answered by
Alan Rockoff, MD - dermatology, Child Skin Problems
The Rockoff Dermatology Center Brookline - MA
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.

pimple like marks on buttocks

by elicash, Apr 22, 2006 12:00AM
Dr., I hope this finds you well.

I am a 30 year old male an am concerned about some 'pimple' like things on my buttocks, that I have had for many years. although not the same ones for many years. they seem to go away fairly quickly (3-4 days maybe a few longer) but others return in different spots. they are not really grouped closely and look like mosquito bites and typically seem more irritated in the evening. For instance right now I have one on the center of my right buttock cheek and one on the other cheek closer to the ‘crack’(but still well on the cheek) and another approximately an 2 inches below that (although on occasion 2 or 3 might be within a coupe of inches of each other). Each one does not feel like a bunch of little bumps but rather each one literally feels like a pimple without a head or a mosquito bite. so to me they do not seem to look like blisters (or at least what I feel blisters look and feel like) and seem to present like pimples without heads usually there will be 4 or so scattered in ever changing places on the cheeks of my bum and occasionally closer around the side to the hip. they don’t pop or anything and they will appear one evening (or at least I will notice a rasied bump then) and the next morning will look much smaller like little a little red dot. they don’t really hurt and in the evening can itch a little, I have on occasion scratched and prodded to see if I can pop them and scratched a little sore like when a kid scratches a mosquito bite too hard but they don’t turn into sores otherwise, when I have scratched and squeezed they react like an over scratched mosquito bite and if squeezed hard enough they can produce some pus but its not like it pops. they might also leave a very small little dot when they go away but I haven’t watch closely. I don’t have very hairy buttocks and when I sweat and don’t shower or I am sweating and wearing the same underwear all day they seem to be more prevalent. I spend a lot of time sitting during the day and am about 40 lb overweight. the spots tend to originate on both cheeks where I put the most pressure from sitting. the sweaty butt feeling one gets from riding in a car too long is a very typical feeling for me and it seems this irritates it most. and they never are really in the exact same spot just generally on the cheeks most often in the center. maybe there are periods where they go away but it seems like there is always at least one there. and this has been going on for a long time. At least since college I think around 8 years.

They definitely resemble the photos at the bottom of this page more than any thing however these are said to be ‘hot tub folictitus’ and I have not been in a hot tub and my spots are more less numerous and to one degree or another seem like one is constantly there :  
http://www.emedicine.com/derm/topic159.htm

although my buttocks looks like it has slight rosatia. I am concerned that this might be herpes or some std I didn't think of.

by Alan Rockoff, MD, Apr 23, 2006 12:00AM
Folliculitis of the buttocks is common and unimportant.  You might try putting an antibiotic ointment like bacitracin or neosporin in your nostrils every night for a month, because staph germs hang out there and sometimes "seed" other body parts.  Otherwise, I'd ignore these pimples and certainly not pop them.  They sound nothing like herpes.  (Besides, you've had them for years....)

Best.

Dr. Rockoff
Member Comments (2)

by elicash, Apr 22, 2006 12:00AM
sorry for the addition but let me clarify it always takes 3-4 days the only times it has taken longer is when I scratched it ... for instance last night the bumps where red and bigger but today after I put some baby powder on last night they are much smaller and less red ...  and incase I wasn't clear they do go away but another will often show up somewhere else on the buttock it always seems like there is one ... sometimes not but sometime more
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