Acute kidney injury, secondary to valacyclovir use during pregnancy for the prevention of fetal cytomegalovirus infection.
Jason Brafman, Yechiel Schlesinger, Moshe Barg et al.
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Case in brief
A healthy young pregnant woman in her first trimester was treated with high-dose valacyclovir for primary cytomegalovirus (CMV) infection to prevent fetal transmission. She developed acute kidney injury (AKI as a result of the treatment. The condition was identified and managed appropriately, highlighting the need for monitoring renal function in similar cases.
Diagnostic / clinical pearl
Clinicians should be aware that high-dose valacyclovir for preventing fetal CMV transmission can lead to acute kidney injury in approximately 1% of cases.