A liquid pharmaceutical composition of a GABA analog comprising at least one polyhydric
alcohol containing 2 to 6 carbon atoms having a pH of about 5.5 to about 7.0 and additionally a two-component liquid pharmaceutical composition comprising a first component comprising a
powder mixture comprising a GABA analog and a
solid polyhydric
alcohol, and a second component comprising a liquid base are described, as well as methods to prepare the compositions and a method for treating cerebral diseases, including
epilepsy, faintness attacks, hypokinesia and cranial traumas, neurodegenerative disorders, depression,
mania and bipolar disorders,
anxiety,
panic,
inflammation,
renal colic,
insomnia, gastrointestinal damage, incontinence, pain, including
neuropathic pain, muscular pain, skeletal pain, and
migraine using a therapeutically effective amount of the pharmaceutical compositions.