You should not use this medicine if you have had an allergic reaction to sulfasalazine or any other sulfa drug, or to aspirin or any other salicylate drugs. You should not use this medicine if you have anything blocking your intestines or bladder, or if you have porphyria.
Store the medicine at room temperature, away from heat, moisture, and direct light.
Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.
Keep all medicine away from children and never share your medicine with anyone.
Make sure your doctor knows if you are pregnant or breastfeeding, or if you have liver disease, kidney disease, bleeding problems, asthma, severe allergies, or G6PD deficiency (not having enough of an enzyme called glucose-6-phosphate dehydrogenase in your blood).
If you are a man, this medicine may cause your body to make less sperm than normal. You may not be able to father a child while you are using this medicine. Your sperm should go back to normal after you stop using this medicine.
Your doctor will need to check your blood or urine at regular visits while you are using this medicine. Be sure to keep all appointments.
Your skin or urine may turn an orange or yellow color while you are using this medicine. This is normal and nothing to worry about.
If you are using this medicine for rheumatoid arthritis, it may take 4 to 12 weeks before you start feeling better.