MRSA and PSA drugs IV and PO. and Dosage Ratios

PSA: Zosyn (IV), Levaquin (PO), Cipro (PO), Cefepime (IV), Aztreonam (IV), Ceftazidime (IV), Merrem (IV)

MRSA: Vanc (IV), Clinda (PO), Doxy (PO), Ceftaroline (IV), Daptomycin (IV), Linezolid (PO)

CAP: Rocephin (IV) virtually the same as Cefdinir (Omnicef) (PO)

Anaerobes: Unasyn = Ampicillin Sulbactim (PO) (Augmentin)

Atypical: Azithro (PO), Flagyl (PO)


Most POs available IV.



PO Choices

PSA Fluoroquinolones
MRSA-CLinda, Doxy, Zyvox

CAP- Omnicef


Anaerobes (Aspiration PNA, GI)-Augmentin, Flagyl


Atypical- Z-pack

Skin (G pos) Bactrim



Fluoroquinolones cover G+, G-, Atypical

IV to oral dosage ratios

Azithro 1:1 250-500mg
Cipro 400 BID :500 BID
Levaquin 1:1 750
Moxifloxacin 1:1 400
Doxycycline 1:1 100 BID
Rocephin 1 g qDay: 300  BID
Clinda 1:1 300 TID
Flagyl 1:1  500 QID
Zyvox 1:1 600

Diuretics

Bumex 1:1 0.5 OR 1 OR 2
Pepcid 1:1
Fluconazole 1:1 150-200
Lasix 1:2 10-80 QID
1 Bumex IV = 40 Lasix IV
Synthroid 1 : 2
Lorazepam 1:1
Metoprolol 1:2.5
Morphine 1:3-4
1 Morphine IV = 0.75 Dilaudid IV
Fentanyl 10 mcg IV = 1mg Morphine IV