SumycinSide Effects - XML FEED - Medications.com http://www.medications.com/se/Sumycin Recent side effects for Sumycin Took Sumycin for my acne. Caused joint pain, had to stop taking Wed, 14 Sep 2005 20:38:34 -0400 http://www.medications.com/effect/view/10843 Took Sumycin for my acne. Caused joint pain, had to stop taking it. http://www.medications.com/effect/view/10843