Some patients will need to remain on the PrEP regimen
for an extended period. Others, however, may reduce
their risk behavior to the point where PrEP may no longer
be indicated. Primary care providers will need to monitor
risk behavior over time and, with guidance from empirical
research, decide when discontinuation of PrEP medication
is warranted. Care providers also will need to determine
how often patients should continue to be seen in
clinic to monitor risk behavior and, if indicated, restart
patients on the PrEP regimen. In the interim, public
health organizations can reinforce risk-reduction and
prevention messages among patients who have discontinued
PrEP and help link patients back to primary care as
needed.