Dogs 10 Human Foods that are Dangerous to Dogs Advertisement 2. Chewing Gum Chewing gum contains Xylitol (see above). We mention gum separately because it’s such a common item that dogs often are able to find discarded on the ground or sitting on accessible furniture, etc. Next Download Best WordPress Themes Free DownloadDownload WordPress Themes FreeDownload Best WordPress Themes Free DownloadPremium WordPress Themes Downloadfree online coursedownload karbonn firmwareDownload WordPress Themes