What side effects may I notice from receiving Sulfasalazine?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-fever, chills, or any other sign of infection
-painful, difficult, or reduced urination
-redness, blistering, peeling or loosening of the skin, including inside the mouth
-severe stomach pain
-unusual bleeding or bruising
-unusually weak or tired
-yellowing of the skin or eyes

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-headache
-loss of appetite
-nausea, vomiting
-orange color to the urine
-reduced sperm count

This list may not describe all possible side effects for Sulfasalazine. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.