. . "Clove: MedlinePlus Supplements - National Library of Medicine (http://www.nlm.nih.gov/medlineplus/druginfo/natural /251.html) Return to top Inhaling smoke from clove cigarettes is unsafe and can cause side effects such as breathing Using it along with other herbs or supplements that also slow blood clotting might increase the risk of Last reviewed - 02/15/ 2012." . .