Does Increasing Fluoxetine from 20mg to 40mg Work? Research has found that there may be no advantage to increasing doses beyond the calculated beneficial dose for a particular drug. Many medical practitioners believe that when prescribing fluoxetine, the dosage should be increased to 40 mg if 20 mg does not work, before ruling it out as. Description Fluoxetine is used to treat depression, obsessive-compulsive disorder (OCD), bulimia nervosa, premenstrual dysphoric disorder (PMDD), and panic disorder. It is also used together with olanzapine to treat depression that is part of bipolar disorder and treatment resistant depression in patients who have received at least 2 previous treatments but did not work well. Fluoxetine is an. Prozac is a prescription drug used to treat depression and other mental health conditions. Learn about the drug’s dosages, form, strengths, and more. Find patient medical information for Fluoxetine (Prozac, Sarafem, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Fluoxetine (Prozac) is a prescription antidepressant used to treat depression, OCD, bulimia, panic disorder, and PMDD. Learn about uses, dosage, side effects, and warnings. Prozac is a prescription medicine used to treat symptoms of major depressive disorder, obsessive-compulsive disorder, panic disorder, premenstrual dysphoric disorder (PMDD), and bulimia nervosa. Learn about side effects, dosages, drug interaction, warnings, and more. Learn the typical dosages of fluoxetine (Prozac) for depression, OCD, and panic disorder. Find details on available strengths (10mg, 20mg, 40mg), daily timing, and what to do if you miss a dose. Fluoxetine (Prozac) is an inexpensive drug used to treat mood problems such as depression, obsessive compulsive disorder, and panic attacks. It can also treat certain eating disorders. NHS information about the medicine fluoxetine, including what it's used for, who can take it, how to take it and side effects. Fluoxetine tablets, USP 60 mg, are available as 60-mg (fluoxetine base equivalent), film coated, functionally scored, capsule-shaped, white tablets debossed with “FL 60” on one side (“FL” above the score and “60” below the score).