Misdiagnosis of Rash
There are many possible causes of rash. Uncommon causes are more likely to be overlooked or misdiagnosed. Some of the causes of rash where misdiagnosis is a known issue include:
- Meningococcal Disease (Meningitis). A relatively rare but very dangerous disease, that causes a hemorrhagic rash. The most dangerous condition is actually called Meningococcal Septicemia, which is a rash-causing complication of Meningococcal Meningitis. A typical case would have both fever and rash.
- Undiagnosed Diabetes. A mild rash on the lower legs or feet is a classic symptom of undiagnosed diabetes. This can occur in both Type 1 Diabetes and Type 2 Diabetes, although it is more likely for a rash to occur over longer periods in Type 2 Diabetes. Other types of rash on other parts of the body are also possible with diabetes, as it generally reduces the body’s immune response. The early symptoms of diabetes can often be quite mild (e.g. irritability, thirst, hunger, urination changes, usually without fever), and so a diagnosis of diabetes can be overlooked, particularly if a patient self-treats the rashes rather than seeing a doctor for a full diagnosis.
- Eczema. A chronic cause of recurring rashes, that may be overlooked.
- Psoriasis. Another possible cause of chronic rashes, which can cause rashes in various body locations.
- Lupus. Lupus is a tricky disease to diagnose in general, with varying symptoms, but it does have a classic type of rash, which can make diagnosis easier in patients that have the classic rash.
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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.