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Buscopan Injectable Solution N-butylscopolammonium bromide, an antispasmodic and anticholinergic for IV use in horses only.
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50 cc vial
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Buscopan is indicated for the control of abdominal pain colic associated with spasmodic colic, flatulent colic, and simple impactions in horses.

Dosage and Administration:

Administer a single injection of 0.3 mg/kg body weight 0.14 mg/lb, slowly IV. This is equivalent to 30 mg N-butylscopolammonium bromide per 100 kg 220 pounds body weight or 1.5 mL of Buscopan Injectable Solution per 100 kg 220 pounds body weight.

Dosing Table Dosage 0.68 mL/100 lbs.

Body Weight          Dose        Body Weight          Dose     Body Weight         Dose
[nearest 100 lbs]  [ mL]     [nearest 100 lbs]      [ mL]   [nearest 100 lbs]    [mL]

 200                         1.4            1000                       6.8                1800                    12.2
300                          2.0            1100                       7.5                1900                    12.9
400                          2.7            1200                       8.2                2000                    13.6
500                          3.4            1300                       8.8                2100                    14.3
600                          4.1            1400                       9.5                2200                    15.0
700                          4.8            1500                      10.2               2300                    15.6
800                          5.4            1600                      10.9               2400                    16.3
900                          6.1            1700                      11.6               2500                    17.0


Buscopan should not be used in impaction colics associated with ileus, or in horses with glaucoma.


Do not use in horses intended for human consumption. Not for use in humans. Keep out of reach of children. If ingested, contact a physician immediately.


Buscopan is not recommended for use in nursing foals or in pregnant or lactating mares, as safety has not been established. The effects of Buscopan may be potentiated by the concomitant use of other anticholinergic drugs. Studies of concomitant administration of Buscopan with other drugs have not been conducted. Drug compatibility should be monitored closely in patients requiring adjunctive therapy. The safety of Buscopan has not been established for intramuscular IM administration. Administration of Buscopan results in heart rate elevation. Heart rate can not be used as a valid indicator of severity of pain for 30 minutes following IV injection.

Adverse Reactions:

Transient tachycardia and decreased borborygmal sounds lasted approximately 30 minutes following administration. Transient pupillary dilation may also be observed.

Manufactured for: Boehringer Ingelheim Vetmedica, Inc., St. Joseph, MO 64506 Buscopan is a registered trademark of Boehringer Ingelheim Pharma GmbH & Co. KG and used under license.