t really know but it does happen ( nothing officially listed on the prescribing info about this - just things folks have mentioned over the years on the various boards ). You can try switching to acyclovir
or famvir and see if you have less issues with them if you don't have a vaginitis going on causing increased ob's.
also if you are using any of the "heated" or "his and hers" lubes , might want to stop those too.