Welcome to the forum
I've never use Lithium. Sorry I can be of much help. However, everyone may experience different reactions when using the same meds. I guess our bodies respond differently.
Maybe you can talk to her about
a diet and exercise plan? This may help you work on maintaining your weight or even losing any extra you may put on.
I hope you would feel better. Please remember to use your coping skills when you feel depressed. And know that we are here for you.
Moderator - Bipolar
Depression, Borderline Personality Disorder.
Chronic Pain - Cervical Kyphosis, Cervical Spondylosis, Thoracic Scoliosis.