Penicillins

Penicillins

Penicillin

Route

Natural penicillins

Penicillin G (parenteral/aqueous)Penicillin G (parenteral/aqueous)

Parenteral

Penicillin G benzathinePenicillin G benzathine

Parenteral (IM only)

Penicillin G procainePenicillin G procaine

Parenteral

Penicillin V potassiumPenicillin V potassium

Oral

Aminopenicillins

AmpicillinAmpicillin

Oral or parenteral

Ampicillin/sulbactamAmpicillin/sulbactam

Parenteral

AmoxicillinAmoxicillin

Oral

Amoxicillin/clavulanateAmoxicillin/clavulanate

Oral

Penicillinase-resistant (antistaphylococcal) penicillins

DicloxacillinDicloxacillin

Oral

NafcillinNafcillin

Oral or parenteral

OxacillinOxacillin

Oral or parenteral

Broad-spectrum (antipseudomonal) penicillin

Piperacillin/tazobactamPiperacillin/tazobactam

Parenteral

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