13 Surprising Causes of Constipation
Constipation can be associated with selective serotonin reuptake inhibitor (SSRI) antidepressants such as Prozac (fluoxetine).
However, constipation is more of a problem with older tricyclic antidepressants such as Elavil (amitriptyline), says Dr. Park. Why any of these drugs have this effect isn’t clear, though.
If you’re taking an antidepressant and have this side effect, think about using a gentle stool softener.