Sometimes the lips, the gums and the tongue can simultaneously be involved, and some authors have described this triad as a syndrome ("plasma-cell gingivostomatitis"). The mucous membranes of the genitals can also be involved by a similar condition, termed "plasma cell balanitis"  or "plasma cell vulvitis".Other synonyms for this condition not previously mentioned include atypical gingivitis, allergic gingivitis, plasmacytosis of the gingiva, idiopathic gingivostomatitis, and atypical gingivostomatitis. Some of these terms are largely historical. Plasma cell gingivitis has been subclassified into 3 types based upon the cause; namely, allergic, neoplastic and of unknown cause. Treatment
Preventing exposure to the causative antigen leads to resolution of the condition. Tacrolimus or clobetasol propionate have also been used to treat plasma cell cheilitis. Epidemiology
Plasma cell gingivitis is rare, and plasma cell cheilitis is very rare. Most people with plasma cell cheilitis have been elderly. History
Plasma cell gingivitis was first described in the late 1960-early 1970s. A wave of cases occurred during this period, thought to be caused by allergic reactions to a component in chewing gum. Since, the number of cases has decreased, but they are still occasionally reported. See also
Desquamative gingivitis

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Heat syncope is fainting or dizziness as a result of overheating (syncope is the medical term for fainting). It is a type of heat illness. The basic symptom of heat syncope is fainting, with or without mental confusion. Heat syncope is caused by peripheral vessel dilation, resulting in diminished blood flow to the brain and dehydration. Signs and symptoms
Faintness, dizziness, headache, increased pulse, restlessness, nausea, vomiting, pale/clammy skin, and brief loss of consciousness. Causes
Heat syncope occurs in a warm environment when blood pressure is lowered as the body dilates (widens) arterioles (small blood vessels) in the skin to radiate heat. This condition occurs within five days of heat acclimatization, before the blood volume expands. The result is less blood to the brain, causing light-headedness and fainting when a person stands up quickly or stands for a long period of time. Those who perform strenuous work outside in warm climates are at particular risk. Diagnosis
The diagnosis of heat syncope is done during a physical examination. During the physical exam the practitioner will test the blood pressure of the patient, and the pulse. If the patient is experiencing heat syncope the blood pressure will be low, and the pulse will be elevated. Observation of excess sweating will also be a key sign. Finally, the practitioner will ask questions figuring out the history of the patients symptoms. If the patient developed symptoms while engaging in physical activity and high temperatures it will then be a true case of heat syncope.