ADVERSE REACTIONS The following are discussed in more detail in other sections of the labeling. • Hypersensitivity Reactions [see Warnings and Precautions ( 5.1 )] • Dermatological Toxicity [see Warnings and Precautions ( 5.2 )] • Benzyl Alcohol Toxicity [see Warnings and Precautions (5.3 )] • Laboratory Test Interferences [see Warnings and Precautions ( 5.4 )] • Use in Patients with a History of Adverse Reactions to Thiol Compounds [see Warnings and Precautions ( 5.5 )] The most common adverse reactions (> 10%) when mesna is given with ifosfamide are nausea, vomiting, constipation, leukopenia, fatigue, fever, anorexia, thrombocytopenia, anemia, granulocytopenia, diarrhea, asthenia, abdominal pain, headache, alopecia, and somnolence. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Hikma Pharmaceuticals USA Inc. at 1-877-845-0689 or FDA at 1-800-332-1088 or www.fda.gov/medwatch. "1-800-FDA-1088"