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Miliaria Rubra (heat rash)

Hwang JH - MedPix

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Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Miliaria Rubra (heat rash)

History: This 28 year old man who just returned from deployment to the Middle East yesterday and developed an extremely pruritic rash within the last 24 hours. It started in his groin and has spread up to his axilla and down both thighs. Medications: 1. Doxycycline 100mg daily for malaria prophylaxis for the last 6 months. 2. Has not started primaquin yet. 3. Benadryl has dulled his pruritus slightly. He adamantly denies going out in the sun over the past few days as he is aware of light sensitivity with doxycycline. He has started no new medications or supplements or over the counter medications other than Benadryl which he started after the rash began.

Findings: Symmetric, confluent, erythematous patches extending from the thighs proximally along his flanks up to his axillae. Extremmely pruritic with small excoriations present.

Ddx: • miliaria rubra (heat rash) • urticaria • drug reaction • irritant contact dermatitis • viral exanthem

Exam: Symmetric, diffuse, pink, smooth rash involving his lower abdomen, groin, thighs and lower back. It is warm to touch. It is pruritic with light excoriations present where he has been scratching. No evidence of arthropod bite or nidus of infection. Air and mucous membranes are NOT involved. No evidence of anaphylaxis.

No MeSH data available.


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Miliaria Rubra (heat rash)

Hwang JH - MedPix

Replace this - DESCRIPTION OF THE IMAGE OR FINDINGS.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1630&req=5

MPX1630_synpic58390: Replace this - DESCRIPTION OF THE IMAGE OR FINDINGS.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Miliaria Rubra (heat rash)

History: This 28 year old man who just returned from deployment to the Middle East yesterday and developed an extremely pruritic rash within the last 24 hours. It started in his groin and has spread up to his axilla and down both thighs. Medications: 1. Doxycycline 100mg daily for malaria prophylaxis for the last 6 months. 2. Has not started primaquin yet. 3. Benadryl has dulled his pruritus slightly. He adamantly denies going out in the sun over the past few days as he is aware of light sensitivity with doxycycline. He has started no new medications or supplements or over the counter medications other than Benadryl which he started after the rash began.

Findings: Symmetric, confluent, erythematous patches extending from the thighs proximally along his flanks up to his axillae. Extremmely pruritic with small excoriations present.

Ddx: • miliaria rubra (heat rash) • urticaria • drug reaction • irritant contact dermatitis • viral exanthem

Exam: Symmetric, diffuse, pink, smooth rash involving his lower abdomen, groin, thighs and lower back. It is warm to touch. It is pruritic with light excoriations present where he has been scratching. No evidence of arthropod bite or nidus of infection. Air and mucous membranes are NOT involved. No evidence of anaphylaxis.

No MeSH data available.