Major Uses

Bethanechol is most commonly used to stimulate bladder contractions in dogs, cats, and horses by stimulating cholinergic receptors. The drug is intended for use in animals that have difficulty urinating. In some cases this drug is used as an esophageal or GI stimulant.

Common Precautions

Side effects most commonly associated with Bethanechol are tearing, drooling, vomiting, loss of appetite, and diarrhea.

Bethanechol should not be administered in animals with urinary obstructions or after any urinary or intestinal surgery. Animals with an overactive thyroid gland should not take Bethanechol. Possible drug interactions may occur in animals that are also taking epinephrine, atropine, or procainamide.

Bethanechol should not be administered in animals with a known allergy or hypersensitivity to the drug. Emergency veterinary care should be sought if an animal experiences any unusual symptoms.


Bethanechol tablets should be stored at room temperature in a tight container. Bethanechol injectable should be stored at room temperature and kept from freezing.


Bethanechol is available in tablets and as a liquid injectable.

A typical dose range for Bethanechol in dogs is 5-25 mg PO q8h. Dose may vary in different species, when the drug is given by a different route or concurrently with other medications, and with regards to a patient's age, breed, and health status. A veterinarian's dosing instructions and/or those printed on the medication label should be followed closely.

If a dose is missed, it should be administered as soon as possible. If it is almost time for the subsequent dose, the missed dose should be skipped and the regular administration schedule resumed. Two doses of Albuterol should not be administered at the same time.

This information is for general reference only and should not be used for the diagnosis or treatment of any condition of your pet. It's intended as a general reference, this information may not include all possible uses, precautions, directions, reactions (including allergic), drug interactions, or withdrawal times. Always consult your local veterinarian and have your pet examined for any advice concerning the diagnosis and treatment of your pet, including which products and doses are most appropriate. Any trademarks are the property of their respective owners. VetDepot is not a pharmacy. All prescription products are dispensed by our Pharmacy Partner. Article last updated 2/2014.