Gris-PEGSide Effects - XML FEED - Medications.com http://www.medications.com/se/Gris-PEG Recent side effects for Gris-PEG After 3 days I developed a severe rash under my arms and genetal Tue, 02 Sep 2003 03:15:35 -0400 http://www.medications.com/effect/view/2918 After 3 days I developed a severe rash under my arms and genetal area. It was small white bumbs and the area was very red. And it itched all the time. http://www.medications.com/effect/view/2918