Paediatric
Hypospadias
Link to General Principles of Surgical Prophylaxis including redosing table and renal dosing for cefazolin.
Continue trimethoprim post-operatively while catheterised.
Preferred including for penicillin allergy (non-severe)
cefazolin iv see dosing table below
| Weight | cefazolin iv dose |
| Weight less than 120kg | 30mg/kg (maximum 2g) |
| Weight 120kg or more | 3g |
If urinary tract abnormality, add gentamicin 2.5mg/kg iv (Max 480mg) stat dose
Post op: trimethoprim 2mg/kg po nocte (Max 100mg) until catheter is removed
Alternative
For penicillin allergy (severe) or MRSA positive
teicoplanin 10mg/kg iv (Max 800mg)
AND gentamicin 2.5mg/kg iv (Max 480mg)
Post op: trimethoprim 2mg/kg po nocte (Max 100mg) until catheter is removed