Answer
Synacthen (tetracosactide acetate) 250 microgram ampoules come in cardboard boxes containing 1 or 5 ampoules of 1 ml each, although not all pack sizes may be marketed.
Sources for this answer
- Synacthen Ampoules 250 mcgAtnahs Pharma UK Ltd · emc · SmPC §6.5 Nature and contents of container · Version 2Document updated
Sources checked