This site is intended for healthcare professionals

account_circleSign in
Go to /sign-in page

You can view 5 more pages before signing in

Vidopen

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Ampicillin is active against certain Gram positive and negative organisms but is inactivated by penicillinases produced by Staph.aureus, a third of E.coli and a tenth of H.influenzae. Ampicillin is poorly absorbed and absorption is decreased by food in the gut.

Cautions:

  • history of allergy
  • renal impairment
  • RASHES COMMON IN GLANDULAR FEVER AND IN CHRONIC LYMPHATIC LEUKAEMIA

Contra-indications:

  • penicillin hypersensitivity

Side-effects:

  • nausea
  • diarrhoea
  • rashes
  • pseudomembranous colitis
  • see also 'penicillins (general side-effects)'

Routes of administration:

  • oral
    • capsules
    • syrups
  • i.m. injection
  • Slow iv injection
  • i.v. infusion

Ampicillin is also available as an injection or suspension with cloxacillin under the trade names 'Ampiclox' and 'Ampiclox Neonatal'.

Related pages

Create an account to add page annotations

Create a free account

Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page