Cellulitis - Exams and Tests
Doctors often diagnose
cellulitis by looking at your symptoms. In most cases,
you won't need further testing, and your doctor will prescribe
ultrasound will be used to make sure there is not a
blood clot in a deep vein. A
CT scan or an
MRI may also be done to rule out other
If the initial treatment with antibiotics is not
effective, your doctor may take samples of your blood and skin to identify the
specific bacteria present so he or she can select a more effective antibiotic.
Other lab tests usually are not helpful unless bacteremia (bacteria in the
sepsis, or another disease is suspected.