You can get a mrsa infection anywhere but sounds like a boil which can be a staph infection .If the bump is growing in size may be collecting pus which needs to come out like a pimple, kind of .Best bet is to take her to the doctor so he can open it up after numbimg it first .But if you are looking for an at home remedy warm soaks to promote opening it up.But because it is on her head and the brain is in there you really don't want to mess around.These boils (furuncles)can be very painful( I know ) until they open up.But I caution you because you want it to relieve itself by exiting the body and not going into the bloodstream and causing a septic infection which is unlikely but not out of the question.MRSA is played out in the media and causing more of a scare then need be .MRSA is a staph infection which is resistant to a certain type of antibiotic .Staph is commonly found on the skin but not in the blood at which time can cause infections .So if your dgt had a break in the skin by a bugbite , a scratch or ingrown hair it can cause the body to react in away to fight off this intruder by surrounding with pus and in turn swelling .But a sudden spike in temp and or vomiting you need to go to the ER where they can run test .Or could just be dry skin if not red or tender to touch.
