Potassium bromide (K Br) is a salt, widely used as an anticonvulsant and a sedative in the late 19th and early 20th centuries, with over-the-counter use extending to 1975 in the US. Its action is due to the bromide ion (sodium bromide is equally effective).

Potassium bromide is a halide salt most commonly used as an add-on anticonvulsant drug to phenobarbital when the latter is ineffective or not as effective as desired. It also may permit you to decrease the dose level of the phenobarbital. Potassium bromide may also be used initially as the sole anticonvulsant drug.

Potassium bromide (KBr) is a salt, widely used as an anticonvulsant and a in the late 19th and early 20th centuries, with over-the-counter use extending to 1975 in the US. ... Potassium bromide is used as a veterinary drug, as an antiepileptic medication for dogs.

Potassium bromide does not begin working right away. It may take six to twelve weeks before we see improved seizure control with potassium bromide. Do not become discouraged by this fact. We will monitor blood levels 3 weeks and 3-4 months after starting the medication.

POTASSIUM BROMIDE LR