When i save in admin, site redirects

I need help. when i am in admin. panel doing any correction or alterations. I saved the changes and 70 % of the time when the screen refreshes indicating the save, instead of the admin page coming up agian, it redirects me to http://www.tastypills.com. It is driving me crazy and i have to restart the site again and continually go back to main page then to dash board. Please help!!!!!