This medication may interfere with certain laboratory tests including Coombs test, certain urine glucose tests possibly causing false test results. Other reactions have included genital and anal pruritus, genital moniliasis, vaginitis and vaginal discharge, dizziness, fatigue, headache, agitation, confusion, hallucinations, arthralgia, arthritis, and joint disorder. Each of 24 fasted subjects received single 500-mg oral dose of cefaclor, and 13 of these subjects later received 500 mg of cephalexin. Unless to 10 times the normal dose of cephalexin has been ingested, gastrointestinal decontamination should not be necessary. Make sure that you complete your entire prescription, even if you start feeling better. This condition may occur jotta geneeristen cephalexin during treatment or weeks to months after treatment has stopped. The absence of warning for given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient.