Answer
Caution is needed when prescribing valganciclovir because ganciclovir is chemically similar to aciclovir and penciclovir, making cross-hypersensitivity possible in patients allergic to these drugs or their respective prodrugs, valaciclovir and famciclovir.
Sources for this answer
- Valganciclovir 450 mg film-coated tabletsAurobindo Pharma - Milpharm Ltd. · emc · SmPC §4.4 Special warnings and precautions for use · Version 5Document updated
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