Symptoms can be misdiagnosed as irritable bowel syndrome. Neurological symptoms can persist and ciguatera poisoning is occasionally misdiagnosed as multiple sclerosis. Studies have found that bipolar disorder has often been misdiagnosed as major depression. Lyme disease can be misdiagnosed as cellulitis. Cluster headache may be misdiagnosed as migraine or sinusitis. Irritant contact dermatitis is sometimes misdiagnosed as atopic dermatitis. Without presenting elevated mood, these individuals are commonly misdiagnosed with major depressive disorder. Other conditions may also be misdiagnosed as carpal tunnel syndrome. However ADHD is often misdiagnosed as depression, particularly when no hyperactivity is present. This can cause the disorder to be misdiagnosed by psychiatrists. Candidiasis can, therefore, sometimes be misdiagnosed as burning mouth syndrome. The disease is commonly misdiagnosed as bacterial community-acquired pneumonia. In general, CHS is most often misdiagnosed as cyclic vomiting syndrome. EM rashes are often misdiagnosed as spider bites, cellulitis, or shingles. Paragonimiasis can commonly be misdiagnosed as tuberculosis.