The actress took "media men" to task in her open letter for stressing her out and poisoning the nation with its coverage of Trump.
The Charmed star directed her philippic to CNN, Fox, CBS, ABC, NBC, Viacom, "the Murdochs" and Trump and also posted it on her Facebook page.
"We, the public, are being sickened by an ever expanding assault on our right to live a healthy and free life. Donald & you ratings driven colluders, are holding us the public hostage and exposing us to disease," McGowan wrote.
The Jawbreaker star then gave details of the disease.
"Our symptoms are knots in our shoulders, sick feelings in the pit of our vaginas, stomach tightness, shortness of breath, wildly elevated stress levels - we are now chronically experiencing a true mass illness," she wrote.
McGowan then urged the media gatekeepers to "take ownership of the situation".
"It is NOT most of America who should be ashamed, it is YOU for propagating this propaganda," she wrote.
McGowan continued and urged the networks to drastically improve their coverage.
"We, the public, need for you to look for your humanity. We, the public, need you to think differently and to do better. Think different. Do better. It's that easy to be a better person and to do the right thing no matter the cost. The time is now," she wrote.
The activist and director then called Trump "a murderer in the making" and went all caps as she urged a media blackout of the Republican nominee's campaign ending with "STOP THE CANCER".