This disclosure relates to dosage forms comprising
bupropion hydrochloride, another salt form of
bupropion, or the
free base form of
bupropion;
dextromethorphan hydrobromide, another salt form of
dextromethorphan, or the
free base form of
dextromethorphan, and a
polymer. In some embodiments, the
dosage form has no significant
dose dumping of bupropion in the presence of
ethanol in vitro. In some embodiments, the
dosage form does not have a
food effect for bupropion or dextromethorphan when taken with a high-fat
meal in human subjects. Some embodiments include a method of treating a
nervous system condition (such as depression, e.g.,
major depressive disorder, including treatment-resistant depression, agitation associated with Alzheimer's
disease (or agitation associated with
dementia of the Alzheimer's type), agitation associated with
dementia,
anxiety (or
generalized anxiety disorder),
neuropathic pain, or
peripheral diabetic
neuropathic pain) comprising, administering a
dosage form described herein to a
human being in need thereof.