Drugs Requiring Reconstitution
Drug	Add listed volume	Final Concentration	Stability at Room Temp	Stability Under Refrigeration	Other Information
Acetazolamide (Diamox) 500mg	5ml	100mg/ml	12 hours	3 days
Acyclovir (Zovirax) 1000mg	20ml	50mg/ml	12 hours	n/a	Do not Refrigerate
Acyclovir (Zovirax) 500mg	10ml	50mg/ml	12 hours	n/a	Do not Refrigerate
Alteplase (Activase) 100mg	100ml	1mg/ml	8 hours	8 hours	Stable at least 6 months frozen
Alteplase (Activase) 50mg	50ml	1mg/ml	8 hours	8 hours	Stable at least 6 months frozen
Amphotericin B Liposome (Ambisome) 50mg	12ml	4mg/ml	n/a	6 hours	4mg/ml in vial stable for 24 hours in fridge
Ampicillin 1000mg	3.5ml	250mg/ml	8 hours	72 hours	Stability is only at 20mg/ml in 0.9% NaCl
Ampicillin 125mg	1.2ml	125mg/ml	8 hours	72 hours	Stability is only at 20mg/ml in 0.9% NaCl
Ampicillin 2000mg	6.8ml	250mg/ml	8 hours	72 hours	Stability is only at 20mg/ml in 0.9% NaCl
Ampicillin 250mg	1ml	250mg/ml	8 hours	72 hours	Stability is only at 20mg/ml in 0.9% NaCl
Ampicillin 500mg	1.8ml	250mg/ml	8 hours	72 hours	Stability is only at 20mg/ml in 0.9% NaCl
Ampicillin/Sulbactam (Unasyn) 1.5gm	4.2ml	300mg/ml	72 hours	n/a	Stability is only at 30mg/ml in 0.9% NaCl
Ampicillin/Sulbactam (Unasyn) 3gm	8.4ml	300mg/ml	72 hours	n/a	Not very stable in dextrose
Azithromycin (Zithromax) 500mg	4.8ml	100mg/ml	24 hours	7 days
Aztreonam (Azactam) 1gm	10ml	100mg/ml	48 hours	7 days
Aztreonam (Azactam) 2gm	20ml	200mg/ml	48 hours	7 days
Cefazolin (Ancef) 10gm	45ml	200mg/ml	24 hours	4 days	10gm only stable 4 hours in the vial
Cefazolin (Ancef) 1gm	4.5ml	200mg/ml	24 hours	4 days
Cefotaxime (Claforan) 1gm	4.6ml	200mg/ml	24 hours	5 days
Cefotetan (Cefotan) 1gm	9.5ml	100mg/ml	24 hours	96 hours
Cefotetan (Cefotan) 2gm	19ml	100mg/ml	24 hours	96 hours
Cefoxitin (Mefoxin) 1gm	9.5ml	100mg/ml	18 hours	48 hours
Cefoxitin (Mefoxin) 2gm	19ml	100mg/ml	18 hours	48 hours
Ceftazidime (Fortaz) 1gm	9.4ml	100mg/ml	24 hours	7 days
Ceftazidime (Fortaz) 2gm	8.5ml	200mg/ml	24 hours	7 days
Ceftazidime (Fortaz) 6gm	26ml	200mg/ml	24 hours	7 days
Ceftriaxone 1000mg	3.6ml	250mg/ml	2 days	10 days
Ceftriaxone 2000mg	7.2ml	250mg/ml	2 days	10 days
Ceftriaxone 250mg	0.9ml	250mg/ml	2 days	10 days
Ceftriaxone 500mg	1.8ml	250mg/ml	2 days	10 days
Cefuroxime (Zinacef) 1500mg	14.4ml	10mg/ml	24 hours	7 days
Cefuroxime (Zinacef) 750mg	7.2ml	10mg/ml	24 hours	7 days
Chloramphenicol (Chloromycetin) 1gm	10ml	100mg/ml	30 days	n/a
Chlorothiazide (Diuril) 500mg	20ml	25mg/ml	Use Immediately
Cosyntropin (Cortrosyn) 0.25mg	1ml	0.25mg/ml	24 hours	21 days	Note: Stability of 1ml dliution
Deferoxamine (Desferal) 2000mg	20ml	100mg/ml	Use Immediately
Deferoxamine (Desferal) 500mg	5ml	100mg/ml	Use Immediately
Doxycycline (Vibramycin) 100mg	10ml	1mg/ml	48 hours	72 hours	***Protect from light***
Ertapenem (Invanz) 1gm	10ml	100mg/ml	6 hours	24 hours	Use within 4 hours of taking out of fridge
Ethacrynic Acid (Edecrin) 50mg	50ml	1mg/ml	24 hours	n/a
Hydrocortisone (Solu-Cortef) 1gm	8ml	125mg/ml	3 days	n/a	***Protect from light***
Imipenem - Cilastatin 500mg	9.6ml	50mg/ml	4 hours	24 hours
Indomethacin (Indocin) 1mg	1ml	0.1mg/ml	Use Immediately
Leukovorin 100mg/ml	10ml	10mg/ml	n/a	7 days	***Protect from light***
Leukovorin 350mg/ml	34.5ml	10mg/ml	n/a	7 days	***Protect from light***
Leukovorin 350mg/ml	17ml	20mg/ml	n/a	7 days	***Protect from light***
Levothyroxine 200mcg	5ml	40mcg/ml	Use Immediately		***Protect from light***
Levothyroxine 500mcg	5ml	100mcg/ml	Use Immediately		***Protect from light***
Meropenem 500mg	10ml	50mg/ml	2 hours	12 hours	stability in saline at 50mg/ml
Meropenem 500mg	10ml	50mg/ml	4 hours	24 hours	stability in saline at 2.5-20mg/ml
Methylprednisolone (Solu-Medrol) 2gm	19.4ml	100mg/ml	48 hours	n/a	***Protect from light***
Nafcillin 10gm	93ml	100mg/ml	24 hours	7 days
Nafcillin 1gm	9.4ml	100mg/ml	24 hours	7 days
Nafcillin 2gm	18.6ml	100mg/ml	24 hours	7 days
Oxacillin 10gm	47.5ml	200mg/ml	see below
Oxacillin 1gm	4.7ml	200mg/ml	see below
Oxacillin 2gm	9.5ml	200mg/ml	see below
Oxacillin mixed in Dextrose	---	---	6 hours	4 days
Oxacillin mixed in NaCl	---	---	4 days	7 days
Palivizumab (Synagis) 50mg	0.6ml	100mg/ml	6 hours	n/a
Palivizumab (Synagis) 100mg	1ml	100mg/ml	6 hours	n/a
Pamidronate (Aredia) 30mg	10ml	3mg/ml	n/a	24 hours
Pamidronate (Aredia) 90mg	10ml	9mg/ml	n/a	24 hours
Pantoprazole (Prevacid)	5ml	6mg/ml	24 hours	24 hours
Penicillin G 1,000,000 units	3.8ml	250,000u/ml	n/a	7 days
Penicillin G 5,000,000 units	18ml	250,000u/ml	n/a	7 days
Pentamidine (Pentam) 300mg	3ml	100mg/ml	48 hours	n/a
Pipercillin/Tazobactam (Zosyn) 3.375gm	17ml	3.375gm/20ml	24 hours	48 hours
Pipercillin/Tazobactam (Zosyn) 4.5gm	17ml	4.5gm/20ml	24 hours	48 hours
Tenecteplase (TNKase) 50mg	10ml	5mg/ml	n/a	8 hours
Tobramycin (Nebcin) 1.2gm	30ml	40mg/ml	24 hours	96 hours
Vancomycin (Vancocin) 1000mg	20ml	50mg/ml	14 days	14 days
Vancomycin (Vancocin) 500mg	10ml	50mg/ml	14 days	14 days
Vecuronium (Norcuron) 10mg	10ml	1mg/ml	24 hours	n/a
Vecuronium (Norcuron) 20mg	20ml	1mg/ml	24 hours	n/a
Voriconazole (Vfend) 200mg	19ml	10mg/ml	14 days	n/a
*** Stability is that of an IV solution, not that diluted drug in the vial unless otherwise noted