<prompt> Which is the drug of choice for prophylaxis of meningococcal meningitis in pregnancy:PenicillinCeftriaxoneRifampicinAmpicillin  <response>: N. meningitidis is dangerous because it can cause Waterhouse Friderichsen syndrome Addisonian crisis So, chemoprophylaxis is recommended Ceftriaxone as a single IM or IV injection is highly effective in carriage eradication and can be used at all ages and in pregnancy 