Police attended an "incident" on the site of Craigavon Area Hospital following a report concerning the safety of a man on Wednesday morning.
An ambulance and two fire engines were also sent to the scene.
The Southern Health Trust confirmed that the incident happened at an out-of-hours surgery on the hospital site.
The PSNI said it received a report at about 08:35 regarding a patient causing a disturbance and that the incident had now been contained.
Inspector Gary Moore said: "The man was subsequently taken to safety and there have been no reports of any injuries."