OSCE Herpes Zoster
History
PMH- HTN, erectile dysfunction
PSH-none
Allergies- penicillin (anaphylaxis)
Medications- lisinopril, sildenafil
Back pain- started 3 days ago (2 days before rash); on right mid back, consistent, burning, aspirin barely helped (took one aspirin yesterday), no specific timing, 8/10 severity
Rash- unilateral on right mid back; yesterday it looked like erythematous papules but today it has erupted into vesicles
Reports fatigue, malaise,
Reports fever was 101 F yesterday
No new detergents, no irritants
No recent travel, no new medications; normal BM (last one was last night)
Denies n/v/SOB/CP/ abdominal pain
Childhood illness- chicken pox age 5
Physical Exam (also indicates what procedures should be done)
General- Well-groomed and in distress. AOx3.
Skin- Vesicles on erythematous base in dermatomal pattern on right mid back.
Head- normocephalic, atraumatic. Hair texture and distribution wnl.
Eyes- PERRL, EOMI, conjunctiva clear, red reflex intact
Ears- Canals clear, TM’s and pinna wnl.
Nose- septum and turbinates wnl. No discharge or deformities.
Mouth/ Throat- Pharynx/ tonsils/ uvula/soft palate/ tongue/gums wnl
Neck- supple, trachea midline. Thyroid wnl.
Nodes- cervical/ epitrochlear/ axillary/femoral wnl..
Thorax- lungs CTA. No retractions or accessory muscle use
Heart- RRR. No murmurs. S1 and S2 normal. No gallops/murmurs/rubs.
Breasts- Symmetrical. No masses/ dimples/discharge
Abdomen- soft, nontender, nondistended. BS present in all 4 quadrants. No hepatosplenomegaly, hernias, CVA tenderness
Extremities- full ROM, normal muscle tone and strength, no clubbing/ cyanosis
Back/ spine- straight with full ROM. No tenderness.
Genitalia- Normal external genitalia. No masses/ rashes/ lesions/ discharge.
Rectal- wnl. No fissures/ lesions/ rashes/ trauma
Neuro- A&O, CN II-XII intact, normal reflexes, sensory wnl
Psych- mood/ affect/ memory/ judgement wnl
Differential Diagnosis
o Herpes Zoster- rash in a dermatomal pattern; consistent with prodromal back pain
o Contact dermatitis – vesicular rash, however inconsistent with dermatomal pattern
o Drug allergy- often manifests dermatologically, unlikely because dermatomal pattern
Tests
Clinical diagnosis- consistent with Herpes Zoster
If you want to confirm- PCR VZV DNA positive (optional because can make a clinical diagnosis)
Treatment
Valacyclovir 1000 mg TID x 7 days (must be given within 72 hours of symptoms)
Pt. counseling
- Inform pt that he is no longer contagious when vesicles crust over- keep it covered and wash hands often. Stay away from unvaccinated pregnant women, premature neonates, and immunocompromised people.
- NSAIDs for pain, Morphine ER prn (15 mg PO q8-12 hours as needed)
- Should get Zostavax upon recovery.