- Feb 10, 2011
For the last week or so now I have had a very slight, high-frequency vibrating sensation in...

This is a test performed at home with disposable pads. The test detects the presence of hidden (occult) blood in the stool. The pads are available at drugstores without a prescription.
Brand names include EZ-Detectâ„¢ and ColoCARE.
Stool occult blood test - flushable home test; Fecal occult blood test - flushable home test