Answer
Viridal Duo (alprostadil) is injected into either the right or left cavernous body of the penile shaft (intracavernosal injection).
Sources for this answer
- Viridal Duo 10 micrograms/ml Powder and Solvent for Solution for InjectionADVANZ Pharma · emc · SmPC §4.2 Posology and method of administration · Version 31Document updated
Sources checked