On the 14th of December i was prescribed, Apo-sulfatrim 160mg, to take 2 daily for 3 days, following a UTI . The following day i’m displaying the following uncomfortable symptoms and unable to access contact from my doctor this weekend. What can i do in this situation? Side effects: New/worsening cough Light headed Rapid heart rate Trouble concentrating Red pin point spot under skin (around bumps of rash/hives Muscle weakness . Itching Low blood sugar (weakness, irritability , confusion, shakes) Hives in bum