Use of<unk>  is contraindicated in people with sulfa allergies and in those with urinary tract obstructions, intestinal obstructions, and severe liver or kidney problems.<unk>  metabolizes to sulfapyridine. Serum levels should be monitored every three months, and more frequently at the outset. Serum levels above 50 μg/l are associated with side effects. In rare cases,<unk>  can cause severe depression in young males. It can also cause oligospermia and temporary infertility. Immune thrombocytopenia has been reported.<unk>  inhibits dihydropteroate synthase, and can cause folate deficiency and megaloblastic anemia. and various other undesirable effects.<unk>  can cause hemolytic anemia in people with G6PD deficiency.<unk>  can cause kidney stones.<unk>  may cause stomach upset, nausea, vomiting, loss of appetite, headache, dizziness, or unusual tiredness. Skin and urine can become orange, with occasional allergic reactions.<unk>  may cause sulfhemoglobinemia.
Sulfasalazine
Mesalazine
Cetirizine
Salicylic acid
Mycophenolic acid
Ciclosporin
Fexofenadine
Diclofenamide