Recommended adult prophylaxis for meningococcal infection is;
Rifampicin 600 mg twice daily for 2 days * Recommended adult prophylaxis for meningococcal meningitis is rifampicin 600 mg twice daily for 2 days. Chemoprophylaxis is recommended for close contacts of persons with meningococcal disease.
Rifampicin 600 mg twice daily for 2 days
Ampicillin Ig daily for 5 days
Tetracycline 2 g daily for 1 day
Chloramphenicol 2 g daily for 2 days