is depression that occurs only at a certain time of the year, usually, winter when the number of daylight hours is lower. It is sometimes called "winter blues." Although it is predictable, it can be very severe.
Other options includedrugssuch as valproate,carbamazepine, and the antipsychoticsolanzapineandrisperidone. Like lithium, some of these medications—valproate, olanzapine, and risperidone in particular—can cause weight gain, so they may not be what you and your doctor choose. Nelson feels carbamazepine i...