January 8th 2025
The FDA approved the addition of Guillain-Barré syndrome warnings for Abrysvo and Arexvy, citing postmarketing data suggesting an increased risk.
December 18th 2024
Young Girl With Hair Loss and Enlarging Scalp Lesion
November 1st 2002A 7-year-old black girl comes toyour office with a 10-week historyof scaling and scalp redness,and hair loss. About 3 weeks beforethe visit, the child’s motherfirst noticed a boggy, drainingyellow plaque on her daughter’sparietal scalp. A different physicianprescribed ketoconazoleshampoo. At 1-week follow-up,the symptoms had not abated;the clinician then prescribed oralcephalexin as well as a topical mixture of the antifungal agent, clotrimazole, and the high-potency topicalcorticosteroid, betamethasone. After 2 weeks of therapy, the symptoms were no better.
Are You Ready for This Year's Influenza Season?
November 1st 2002According to the CDC, last year's influenza season in the United States was mild to moderate.1Influenza activity increased in mid January and peaked during mid to late February. The percentage of deaths associated with pneumonia and influenza exceeded the epidemic threshold for 5 consecutive weeks. Influenza A (H3N2) viruses predominated, although toward the end of the season, influenza B viruses were identified more often than influenza A viruses.
Alopecia, Ulcerations, and Ecchymotic Lesions: Take this Image IQ Test
October 1st 2002A 22-year-old Filipino man with fever, lethargy, weakness, and malaise of 5 days' duration was brought to the emergency department by his family. Two days earlier, oral penicillin had been prescribed for streptococcal pharyngitis. The patient was unable to walk because of profound weakness. Circular and linear ecchymotic lesions were noted on his back.
Erythema Multiforme in a Woman and in a Man
October 1st 2002For 2 days, a 43-year-old woman has had a slightly tender rash on her trunk andextremities. Five days earlier, the patient was given levofloxacin for an upperrespiratory tract infection; because she is prone to yeast infections while takingantibiotics, fluconazole also was prescribed.
Orbital Cellulitis in a 13-year-old Boy
September 2nd 2002A 13-year-old boy presents with swelling of the left eyelidsthat started 12 hours earlier; the eyelashes are mattedwith yellow discharge. He does not wear contact lenses oreyeglasses and denies ocular trauma or foreign bodies. Hehas been nauseated and has vomited once; his motherattributes these symptoms to an antibiotic that was prescribed5 days earlier for a sinus infection. Medical historyis noncontributory; there is no family history of ocularproblems.
Young Man With Acquired Ptosis
September 1st 2002A swollen, painful eyelid prompted a 39-year-old man to seek medical attention.The patient had noticed swelling, redness, and irritation in his left lateral eyebrowarea 2 days earlier. Upon awakening on the morning of his appointment,the left upper eyelid also felt full and tender and was drooping. A pointed drainingarea of purulent material had formed in the lateral brow region (not visiblehere). The patient was afebrile and denied any recent periorbital trauma. Hewas otherwise healthy; his only medication was a daily multivitamin.
Herpes Simplex Virus Type 2 Infection and Acute Urticaria
September 1st 2002A 37-year-old woman complains of “itchy bumps” that erupted just above herwaist 2 or 3 days earlier. She denies having had this condition in the past.The patient is otherwise healthy and takes no medications. An avid gardener,she claims to be able to identify and avoid poisonous plants.
Visceral Leishmaniasis in a Young Man
September 1st 2002After 5 weeks of undulating fever, weight loss, and night sweats, a 22-year-old man presented to the emergency department. He reported no significant medical history. The patient had recently completed a course of tetracycline followed by another of azithromycin for a presumed upper respiratory tract infection.
Young Boy With Acute Foot Pain
September 1st 2002The most appropriate choice is B. The history andphysical findings suggest that the patient may have afracture or contusion of the foot from trauma. There areno systemic signs that suggest an underlying infectious,chronic inflammatory, or oncologic process. A plain x-rayfilm of the foot is necessary to seewhether a fracture is present andwhether immobilization will be necessary.In the absence of fever and localerythema, infection appears unlikely,and a CBC count is unwarranted.