... Itching at the anus is almost always due to anal or rectal conditions, the most likely of which is hemorrhoids. If there is frequent passage of bright red blood in the stool along with a painful bowel movement, one should look for an anal fissure. If there is a chronic discharge,... DIAGNOSTIC WORKUP
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Is the pruritus associated with a generalized rash? Almost every generalized rash may be associated with pruritus, but the most common ones are urticaria, dermatitis herpetiformis, eczema, scabies, and pemphigus.
Is ... DIAGNOSTIC WORKUP
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Is there a vaginal discharge? The presence of a vaginal discharge should suggest candidiasis, trichomoniasis vaginitis, and bacterial vaginitis.
Is there a rash? The presence of a rash would suggest eczema, herpes ... DIAGNOSTIC WORKUP
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Pruritus is the desire to scratch that is induced by unpleasant cutaneous sensations caused by histamines and other endogenous substances. Atopic dermatitis is one of the most common childhood skin diseases; emergencies include severe angioedema/anaphylaxis and... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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... The differential diagnosis of pruritus is best developed by anatomy. Local conditions such as bites and parasitic infestations (e.g., scabies, hookworms, and schistosomiasis) usually reveal an obvious lesion. Generalized skin conditions such as
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by increased skin temperature, poor skin turgor, local vasodilation... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers
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... Heat intolerance refers to the inability to withstand high temperatures or to maintain a comfortable body temperature This symptom produces a continuous feeling of being overheated and, at times, profuse diaphoresis It usually develops gradually and is chronic.
Most cases... History and physical examination ... Medical causes ... Other causes ... Special considerations
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... Pruritus with Diagnostic Skin Lesions
Infestation (especially scabies, lice, fleas)
Xerosis (dry skin; for example, secondary to low humidity or excessive bathing)
Infection, especially bacterial, fungal,
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... Pruritus ani is perianal itching, irritation, or superficial burning. This disorder is more common in males than in females and occurs in adults and children.
Causes
Factors that contribute to pruritus ani include... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations
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... Heat syndrome may result from environmental or internal conditions that increase heat production or impair heat dissipation. The three categories of heat syndrome are heat cramps, heat exhaustion, and heatstroke.
Causes
Normally, people adjust to... Treatment ... Special considerations ... Pictures
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by increased skin temperature, poor skin turgor, local vasodilation, dermatoses, and stress. ... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures
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... Heat intolerance refers to the inability to withstand high temperatures or to maintain a comfortable body temperature. This symptom produces a continuous feeling of being overheated and, at times, profuse diaphoresis. It usually develops gradually and... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers
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... Beverly A. VonderPool
Approach Pruritus, a sense of the need to scratch, is an unpleasant cutaneous sensation that has numerous causes. A practical approach is to look for causes with the highest probability... History ... Physical examination ... Diagnostic tests ... Diagnostic assessment
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... Resulting from environmental or internal conditions that increase heat production or impair heat dissipation, heat syndrome falls into three categories: heat cramps, heat exhaustion, and heatstroke. (See Managing heat syndrome.)
Causes ... Special considerations ... Pictures
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by increased skin temperature, poor skin turgor, local... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by increased skin temperature, poor skin turgor, local vasodilation, dermatoses, and... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching
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... Heat intolerance refers to the inability to withstand high temperatures or to maintain a comfortable body temperature. This symptom produces a continuous feeling of being overheated and, at times, profuse diaphoresis. It usually develops gradually and is chronic.
... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching
... READ EXCERPTS »
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The differential diagnosis of pruritus is best developed by
anatomy. Local conditions such as bites and parasitic infestations
(e.g., scabies, hookworms, and schistosomiasis) usually reveal an obvious
lesion. Generalized... Pictures
... READ EXCERPTS »
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