Table 1.

Consensus guideline C1 INH dosages for procedural prophylaxis

Patient weight	C1 INH dose
≤50 kg	500 units
>50 kg to ≤100 kg	1000 units
>100 kg	1500 units

Administer 1 hour before procedure. Have additional doses available if needed during and after surgery. C1 INH = C1 esterase inhibitor.