EXPLODING BACTERIAMed Decision Speed Tools
penicillin

Amoxicillin

Generic, Amoxil®
PregnancyBreastfeeding!Warfarin
Open the full CAP page →
No Concern for Atypical Pneumonia
Amoxicillin
1 g PO q8h
AmoxicillinPick onerequired
+
AtypicalPick onerequired
Select
Amoxicillin
!
1 g PO q8h
Liquid
125 mg/5 mL (25 mg/mL)250 mg/5 mL (50 mg/mL)400 mg/5 mL (80 mg/mL)
Tablets
500 mg875 mg
Capsules
250 mg500 mg
BrandsGeneric, Amoxil®
View full Amoxicillin page →
+
AND Choose ONE Atypical
Azithromycin
???
500 mg PO day 1, then 250 mg PO q24h days 2–55 days
Tablets
250 mg500 mg600 mg
Suspension
100 mg/5 mL200 mg/5 mL1 g single-dose packet
IV
500 mg vial
BrandsGeneric, Zithromax®, Z-Pak®
View full Azithromycin page →
Clarithromycin
???
500 mg PO q12h7 days
Tablets
250 mg500 mg
ER tablets
500 mg
Suspension
125 mg/5 mL250 mg/5 mL
BrandsGeneric, Biaxin®
View full Clarithromycin page →
Doxycycline
???
100 mg PO q12h
Capsules
50 mg100 mg
Tablets
20 mg50 mg75 mg100 mg150 mg
Suspension / syrup
25 mg/5 mL50 mg/5 mL
IV
100 mg vial
BrandsGeneric, Vibramycin®, Doryx®
View full Doxycycline page →
Other regimens for this scenario don't include Amoxicillin — see the full page for the complete algorithm.

Drug Info

Liquid
125 mg/5 mL (25 mg/mL)250 mg/5 mL (50 mg/mL)400 mg/5 mL (80 mg/mL)
Tablets
500 mg875 mg
Capsules
250 mg500 mg
BrandsGeneric, Amoxil®
Medication Dosing Tolerance15%

Safety

PregnancyAnimal studies show no harm to fetus.
BreastfeedingExcreted in breast milk in small amounts.
!WarfarinMay increase INR — monitor closely.