These discolored, scaly lesions on this young man’s trunk have recurred for the past 2 summers. He reports that the rash becomes “irritated and itchy” when he is in the sun.

Could repeated episodes of vomiting in this young woman be related to ingestion of a drug?

For the past year, the patient has had episodes of severe nausea, vomiting, headache, and abdominal pain separated by weeks of feeling quite well.

Oral etidronate, IV pamidronate, and then zoledronate caused bone markers to normalize in this 80-year-old woman-temporarily. What’s going on? Answer this and questions on 3 other topics in this week’s quiz.

In the United States asthma affects nearly 7 million children. Brush up on the core components of pediatric asthma care with this short slide show.

How good are your hunches when it comes to cases of possible child abuse? Can you determine which cases need to be reported to Child Protective Services and which require a medical diagnosis? See how well you do with the 5 cases presented here.

A 32-year-old woman presents with recurrent episodes of lip swelling associated with massive, painful blister formation and crusting. What is this?

Here are the signs and symptoms of the measles in a classic case-in order of their appearance:

This monomorphic papular rash is unrelated to medications, recent sickness, or exposure to poison oak. It developed about 6 days earlier.

Solve problems, return calls, start on time-3 of the 7 ways Dr Pamela Wible ensures her patients are hers and always hers.

Joint pain and dactylitis: does this combo suggest the need to test for HIV infection? Test your dermatologic prowess and answer 4 other quiz questions here.

Best practices make a strong case against prescribing benzodiazepines for chronic pain patients taking opioids. But are we following best practices?

A macular rash has been spreading for 5 days after the cheerful child started amoxicillin therapy. What’s the most likely cause?

Cancer may be an under-appreciated, but common risk factor for stroke, which is most common the first month after cancer diagnosis.

Italian researchers have found yet another area where the vitamin/hormone may help out: the bedroom.

Two hours earlier the patient had vomited to dislodge food stuck in his throat. This had been effective in the past but had never produced blood. Chest and epigastric pain worsened when he lay down.

This rash began as a small red patch about 10 days earlier while the patient was at wrestling camp.

What flu vaccine should you recommend this year for children over age 2? A look at the data . . .