BenzonatateSide Effects - XML FEED - Medications.com http://www.medications.com/se/Benzonatate Recent side effects for Benzonatate blackish stools Wed, 01 Feb 2006 10:40:31 -0500 http://www.medications.com/effect/view/12822 blackish stools http://www.medications.com/effect/view/12822 I'm not sure, but I would like to know what side effects come wit Mon, 31 Jan 2005 07:32:40 -0500 http://www.medications.com/effect/view/7542 I'm not sure, but I would like to know what side effects come with this medication, as my stool has been black and I'm trying to see if it's from the medicaton. Thank you. http://www.medications.com/effect/view/7542