Why should I be concerned about Shingles in my IBD patient?
-
There is an increase in the incidence, duration, and complications in IBD patients
-
There are rare complications of systemic dissemination (i.e., lung, liver, CNS, peripheral/ cranial nerves, ocular manifestations) or local dissemination (i.e., involving more than 3 dermatomes) in IBD patients
-
There is an increase in the incidence of post-herpetic neuralgia in IBD patients
What should I prescribe as treatment?
-
Valacyclovir (Valtrex) 1gram TID for 7-10 days OR Famcyclovir 500mg TID for 7-10 days
What if the patient has any symptoms of disseminated VZV?
-
They should immediately contact the family physician or go to the emergency department for an assessment
-
Admission for IV Acyclovir at 10mg/kg q8h may be required
What do I do with the biologics?
-
Hold the biologics or immunosuppressive medication until the vesicles resolve (i.e., crust over) and after completing a 7-10day course of Valacyclovir (Valtrex)/ Famcyclovir
Reference for additional reading:
-
Kim BS, Maverakis E, Alexanian C, Wang JZ, Raychaudhuri SP. Incidence, Clinical Features, Management, and Prevention of Herpes Zoster in Patients Receiving Antitumor Necrosis Factor Therapy: A Clinical Review. J Cutan Med Surg. 2020 May/Jun;24(3):278-284. DOI: 10.1177/1203475420914622. PMID: 32238066.