Role of Antibiotic Therapy or Immunoglobulin On iNfections in hAematoLogy: Starting Immunoglobulin (Start Ig)

Once daily trimethoprim-sulfamethoxazole (co-trimoxazole) 160mg/800mg. NB: Doxycycline 100mg daily as an alternative for patients with hypersensitivity to co-trimoxazole.

IVIg every 4 weeks ± 1 week at a dose of 0.4g/kg, modified to achieve an IgG trough level of at least lower limit of age-specific serum IgG reference range; or SCIg, weekly, may be used in patients who meet local criteria for home-based self-administration in centres with established SCIg programs. Dosing is usually given at 100mg/kg/week, modified to achieve an IgG steady state level of at least the lower limit of the serum reference range. A loading IVIg dose may be given in the first month if required.