Answer
Acute generalised exanthematous pustulosis (AGEP) and drug reaction with eosinophilia and systemic symptoms (DRESS), which can be life-threatening or fatal, have been reported with valaciclovir hydrochloride treatment.
Sources for this answer
- Valtrex Tablets 500mgGlaxoSmithKline UK · emc · SmPC §4.4 Special warnings and precautions for use · Version 32Document updated
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