Karthik Krishnamurthy, Author at Dermatology Advisor

Karthik Krishnamurthy

All articles by Karthik Krishnamurthy

Serum Sickness

Are You Confident of the Diagnosis? Serum sickness is a type III hypersensitivity reaction from the administration of foreign protein, serum or nonprotein medications. Serum sickness is characterized by rash, fever, arthralgia or arthritis. Classical serum sickness is caused by the injection of heterologous serum proteins such as horse serum. A similar syndrome, serum sickness-like…

Scarlet Fever (Scarlatina)

Are You Confident of the Diagnosis? What to be alert for in the history Most patients develop a sudden onset of fever and sore throat and appear ill. Associated symptoms include headache, malaise, lymphadenopathy, chills, abdominal pain, nausea, vomiting, anorexia, and myalgias. The erythematous eruption appears 1 to 4 days following the onset of symptoms.…

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