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A 24-year-old woman presents with intense itching in both axillae for the past 8 months. The itching becomes worse with ...
09/18/2026

A 24-year-old woman presents with intense itching in both axillae for the past 8 months. The itching becomes worse with heat, sweating, and emotional stress.

On examination, there are numerous small, closely grouped, skin-colored to slightly erythematous papules involving the axillary skin. There is no pus, ulceration, or significant discharge.

🩺 Question: What is the most likely diagnosis?

A. Miliaria rubra
B. Fox-Fordyce disease
C. Folliculitis
D. Hidradenitis suppurativa

💬 Drop your answer in the comments before checking the explanation!

MedExplain 🧠 | Learn • Think • Diagnose

A 56-year-old man presents with a slowly progressive, asymptomatic discoloration of the sides of his neck and upper ches...
09/18/2026

A 56-year-old man presents with a slowly progressive, asymptomatic discoloration of the sides of his neck and upper chest for several years. He reports significant chronic sun exposure and says the skin changes have gradually become more prominent.

On examination, there is bilateral mottled reddish-brown pigmentation with fine telangiectatic vessels and mild skin atrophy over the sun-exposed neck and upper chest. There is no scaling, ulceration, or discharge.

🔎 What is the most likely diagnosis?

A. Tinea versicolor
B. Erythrasma
C. Melasma
D. Poikiloderma of Civatte

💬 Drop your answer in the comments before checking the explanation!

— MedExplain

A 24-year-old man presents with a patchy, burning sensation on his tongue, especially after eating spicy or acidic foods...
09/17/2026

A 24-year-old man presents with a patchy, burning sensation on his tongue, especially after eating spicy or acidic foods. He reports that the lesions have been appearing and disappearing at different sites over the past several months.

On examination, the dorsal tongue shows multiple irregular, smooth, erythematous depapillated patches with well-defined whitish serpiginous borders, creating a characteristic map-like appearance.

🔎 What is the most likely diagnosis?

A. Oral Candidiasis
B. Geographic Tongue
C. Oral Lichen Planus
D. Leukoplakia

💬 Drop your answer in the comments!

MedExplain 🩺

A young patient presents with multiple small, translucent to yellowish, firm papules that have gradually increased in nu...
09/17/2026

A young patient presents with multiple small, translucent to yellowish, firm papules that have gradually increased in number over several years. The lesions are mainly distributed over sun-exposed areas of the face and are asymptomatic, with no bleeding or ulceration.

On examination, the papules are smooth, dome-shaped, and closely clustered, producing a distinctive clinical appearance.

🔎 What is the most likely diagnosis?

A. Milia
B. Syringoma
C. Juvenile Colloid Milium
D. Xanthoma

💬 Drop your answer in the comments before checking the explanation!

MedExplain

A 32-year-old man presents with a 3-week history of slowly progressive, itchy red bumps and pustules on his lower leg. H...
09/16/2026

A 32-year-old man presents with a 3-week history of slowly progressive, itchy red bumps and pustules on his lower leg. He initially noticed a few superficial lesions, but they gradually became more inflamed and deeper.

He reports recent use of a topical corticosteroid–antifungal combination cream with little improvement.

On examination, there are erythematous perifollicular papules, pustules, and inflammatory nodules with mild surrounding erythema.

🔍 What is the most likely diagnosis?

A. Tinea corporis
B. Bacterial folliculitis
C. Majocchi granuloma
D. Erythema nodosum

💬 Drop your answer in the comments before checking the explanation!

MedExplain 🧠 | Learn • Diagnose • Understand

Most pregnancy content talks about eclampsia and gestational diabetes. Nobody talks about this.Fetal vessels crossing th...
09/16/2026

Most pregnancy content talks about eclampsia and gestational diabetes. Nobody talks about this.

Fetal vessels crossing the birth canal. No protection. Rupture = lethal blood loss in minutes.

Save this for someone expecting.

A sprain. A fracture. Then months of burning pain that does not match the injury.Light touch feels like fire. The limb s...
09/16/2026

A sprain. A fracture. Then months of burning pain that does not match the injury.

Light touch feels like fire. The limb swells, changes color.

Early treatment changes everything. Comment TREATMENT if you want to know what works.

This is not a plaque blockage. This is the artery tearing itself apart from the inside.Healthy women. No risk factors. O...
09/16/2026

This is not a plaque blockage. This is the artery tearing itself apart from the inside.

Healthy women. No risk factors. One moment of crushing chest pain.

Drop a ❤️ if you've never heard of SCAD. Share to save a life.

🩺 A 52-year-old man presents with a gradual change in the appearance of his fingers over the past 8 months. He reports i...
09/16/2026

🩺 A 52-year-old man presents with a gradual change in the appearance of his fingers over the past 8 months. He reports increasing bulbous enlargement of the fingertips and noticeable curvature of the nails.

On examination, the distal phalanges appear enlarged, with increased nail curvature and a characteristic change in the nail–fold angle.

🔍 Clinical images show two different views of the same finding.

What is the most likely diagnosis?

A. Koilonychia
B. Digital Clubbing
C. Leukonychia
D. Onycholysis

💬 Drop your answer in the comments before checking the answer!

MedExplain 🧠 | Learn • Think • Diagnose

09/16/2026

The bite itself isn’t what causes the itch. Your immune system reacts to mosquito saliva by releasing histamine, creating redness, swelling and itching.

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