POM Add to cart Buscopan Compositum Inj.- 100 ml Actives ingredients: Each ml contains 4 mg butylscopolamine bromide and 500 mg metamizole as active substances plus 5 mg phenol as preservative. Uses: As an aid in the control of pain associated with simple equine colic and as a diagnostic aid in more severe equine colics. For the control of diarrhoea in cattle, horses and dogs particularly when pain or abdominal discomfort is present. For the control of pain associated with urinary obstruction in horse and dogs. This is a POM – Prescription Only Medicine: it can only be dispensed once a valid prescription issued by a veterinary surgeon is received by email, facebook or attached during the ordering process.