Stephen K. Tyring, Author at Gastroenterology Advisor

Stephen K. Tyring

All articles by Stephen K. Tyring

Cytomegalovirus infection

Are You Confident of the Diagnosis? Symptomatic infection with human cytomegalovirus (CMV) may occur in the newborn or in immunocompromised individuals, including those infected with HIV/AIDS, hematopoietic stem cell transplant (HSCT) recipients, and organ transplant recipients. Symptoms of infection with CMV in such populations are extremely variable. Immunocompetent individuals rarely exhibit any symptoms of disease…

Herpes Zoster (shingles, zoster, zona)

Are You Confident of the Diagnosis? What you should be alert for in the history A history of prodrome with acute stinging, itching, burning, paresthesias, and hyperesthesia in a single dermatome is characteristic of herpes zoster. Patients may also complain of constitutional symptoms (headache, malaise, fever). Typically, pain begins and a unilateral rash of erythematous…

Herpes Simplex Virus Type 1 (HSV1, fever blisters, cold sores); Herpes Simplex Virus Type 2 (HSV2, genital herpes, herpes)

Are You Confident of the Diagnosis? What you should be alert for in the history Patients infected with Herpes Simplex Virus type 1 (HSV-1) and Herpes Simplex Virus type 2 (HSV-2) can present in many different ways. Furthermore, many patients are asymptomatic during primary and recurrent infections. Common symptoms during primary infection include a prodrome…

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