Viral infections Flashcards
(26 cards)
What is the treatment of serious HSV and VZV infections?
IV acyclovir
______ can be used to treat mild to moderate postherpetic neuralgia
Capsaicin cream
Initial treatment of uncomplicated shingles (herpes zoster) is with
Oral acyclovir, valacyclovir, or famciclovir
What infectious disease should be considered in patients with regional pain and hyperesthesia/allodynia without evidence of disease in local internal organs?
Herpes zoster (Shingles)
What patient population is likely to have a prolonged course of molluscum contagiosum, with widespread papules?
Immunocompromised patients (e.g. HIV)
Flesh-colored, dome-shaped, umbilicated skin lesions are diagnostic of:
molluscum contagiosum
Molluscum contagiosum is caused by:
Molluscum contagiosum virus, which is part of the poxvirus family
What are the first-line medications for postherpetic neuralgia?
TCAs and/or gabapentin
Criteria of disseminated varicella zoster infections
Dissemination is present if:
- > 20 extradermatomal lesions
- Involvement of ≥ 3 dermatomes AND/OR
- Visceral organ involvement
What is the likely diagnosis in a child with a pruritic rash with clusters of vesicles in different stages of healing?
Varicella zoster infection (chickenpox)
The treatment for chickenpox?
-Non-immunosuppressed
- Immunosuppressed:
- Topical ointments, supportive measures
- Acyclovir
Physical examination shows swelling and erythema of the pulp space of the left index finger; there are multiple 3-mm vesicles. Diagnosis
Herpetic whitlow.
Dx Childhood Exanthems:
- Begins at head and moves down and postauricular lymphadenopathy:
- Begins at head and moves down and preceded by cough, coryza,conjunctivitis:
- Rubella
- Measles
What is the most likely diagnosis of a child with low-grade fever, posterior cervical lymphadenopathy, and a generalized erythematous, blanching, nonconfluent maculopapular rash with medium-sized spots?
Rubella
Herpes simplex virus is definitively diagnosed with:
PCR or viral cultures
Which cause of genital ulceration presents with painful vesicles on an erythematous base?
Herpes simplex virus (HSV)
What mumps complication occurs predominantly in post-pubertal males?
Orchitis
What are the 4 C’s of measles?
- Cough
- Coryza
- Conjunctivitis
- Koplik spots
Treatment of which virus can benefit from vitamin A supplementation?
Measles
Adults symmetric polyarthritis in the fingers, hands, knees, and ankles and a lacy rash in the trunk. Diagnosis:
Parvovirus B19 infection
Which recombinant cytokine can be used to treat Kaposi sarcoma?
IFN-α
What is the likely diagnosis in a patient with poorly controlled HIV that develops multiple violaceous papules in the groin region?
Kaposi sarcoma (HHV-8 infection)
Patient presents with a nonpruritic, blanching, maculopapular rash that developed immediately after the abrupt cessation of a high fever:
Roseola
What is a complication of roseola?
Extreme spiking in the prodrome that may cause febrile seizures