Weight-Neutral Medications for Anxiety

First-Line Weight-Neutral Options

Bupropion is the most weight-neutral anxiety medication, with evidence showing it can actually promote weight loss, though it may exacerbate anxiety in some patients due to its activating properties 1
Fluoxetine and sertraline are associated with weight loss during short-term use and weight neutrality with long-term use, making them preferred options for anxiety patients concerned about weight gain 2, 3
Citalopram and escitalopram are generally weight-neutral and have fewer drug interactions compared to other SSRIs 4
Venlafaxine and duloxetine can be considered weight-neutral options for anxiety disorders 5
Duloxetine is FDA-approved for generalized anxiety disorder and has a weight-neutral profile 5

Buspirone (BuSpar) is a non-benzodiazepine anxiolytic that is generally weight-neutral 6
Short-acting benzodiazepines like lorazepam (Ativan) and oxazepam (Serax) are generally weight-neutral 6

Mirtazapine (Remeron) promotes weight gain and should be avoided in weight-conscious patients 6, 3
Tricyclic antidepressants, particularly amitriptyline, are associated with significant weight gain 2
Lithium and monoamine oxidase inhibitors are also associated with weight gain 3, 1

For patients with anxiety concerned about weight, the American Academy of Child and Adolescent Psychiatry recommends first choice: Bupropion (if anxiety is mild and not the primary concern) 1
For patients with anxiety concerned about weight, the American Academy of Child and Adolescent Psychiatry recommends second choice: Fluoxetine or sertraline (SSRIs with the most favorable weight profile) 2, 3
For patients with severe anxiety where bupropion may be too activating, the American Academy of Child and Adolescent Psychiatry recommends first choice: Sertraline or fluoxetine 2, 3

The American Academy of Child and Adolescent Psychiatry recommends starting with lower doses in anxiety patients, as initial adverse effects can include increased anxiety or agitation 4
The American Academy of Child and Adolescent Psychiatry recommends considering combination treatment with cognitive behavioral therapy for optimal outcomes 4