Table 3.

Chemoprophylaxis against meningococcal disease

Drug and age group	Dosage
Rifampicin (oral)
Children<1month	5mg/kg of body weight every 12 hr for 2 days
Children ≥ 1month	10 mg/kg every 12 hr for 2 days
Adults	600 mg every 12 hr for 2 days
Ciprofloxacin (oral)	500 mg given in a single dose (adults)
Ceftriaxone
Children<15 yr	125 mg given in a single intramuscular dose
Children ≥ 15 yr/Adults	250 mg given in a single intramuscular dose
Oflaxacin (oral)	400 mg, given in a single dose (adults)
Azithromycin (oral)	500 mg, given in a single dose (adults)