What should be the dosage for Actimmune?

Generic name: Interferon gamma-1b 100ug in 0.5mL
Dosage form: injection, solution

If severe reactions occur, the dosage should be reduced by 50 percent or therapy should be interrupted until the adverse reaction abates.

ACTIMMUNE may be administered using either sterilized glass or plastic disposable syringes.

Source: http://www.drugs.com/