touch screen working weirdly after few (4-5)minutes of the usage.

The glass on left side of ipad raised over the body are millimeters (2mm). When I am using the ipad after 5min the touch on left side is working automatically eg:if I using browser it clicks links on left side,it opens left tabs automatically. If I'm on home screen it opens apps on left side.Everything stops if I lock and unlock the ipad and starts again after few minutes and if I play any video on device it starts odd behaviour immediately. Is replacing adhesive strips enough or should I replace the digitizer.