Prozac and Viibryd are SSRIs used mainly for depression; Prozac also treats anxiety, while Viibryd is often for depression and some anxiety conditions. Both have side effects and drug interactions; costs vary from affordable generics to high-brand prices. Consult a provider for personalized care.
Prozac, or fluoxetine, is a widely prescribed SSRI for depression, anxiety, and other serotonin-related conditions. It works by increasing serotonin levels in the brain, helping improve mood, sleep, and appetite. Available in liquid and capsule forms, starting doses are typically 20 mg daily.
Prozac capsules are 20 mg, with liquid form measured in 10 mg doses. Adults usually begin with 20 mg daily, titrating up to 60–80 mg under medical supervision. Children over 8 may start at 10 mg. Your healthcare provider determines the best form and dose.
FDA-approved for depression, anxiety, bulimia nervosa, PMDD, OCD, panic disorder, postpartum depression, and anorexia nervosa. Off-label uses include premature ejaculation and other anxiety symptoms.
Common symptoms alleviated by Prozac include intrusive thoughts, mood fluctuations, sleep difficulties, low interest, and persistent sadness.
Prescribed off-label for eating disorders, panic attacks, or premature ejaculation, but always under medical supervision.
Brand Prozac costs $460–$1000/month; generic fluoxetine is much cheaper at $3–$4 per 30-day supply, up to $100 for higher doses. Insurance often covers generics.
Common: nausea, headache, insomnia, sexual dysfunction. Rare but serious: serotonin syndrome, increased thoughts of self-harm or suicide, and serotonin toxicity. Seek medical attention if severe symptoms occur.
Avoid if you have bipolar disorder, history of suicide attempts, or contraindicated conditions. Be cautious with drug interactions, especially with MAOIs, NSAIDs, blood thinners, and other serotonergic drugs.
Viibryd (vilazodone) is an SSRI that enhances serotonin levels and is mainly prescribed for depression. It comes in three dosage sizes (10 mg, 20 mg, 40 mg), with gradual dose increases under medical guidance. Also used for some anxiety disorders.
Tablets are color-coded: red (10 mg), yellow (20 mg), blue (40 mg). Typical starting dose is 10 mg daily, titrated up to 40 mg. Used primarily for depression and sometimes for OCD or anxiety.
FDA-approved for depression; off-label for OCD and generalized anxiety disorder. Symptoms improved include lack of interest, nervousness, and appetite issues.
Effective for symptoms like low interest, nervousness, and chronic worry caused by serotonin imbalance.
Considered safe for some off-label uses such as OCD and generalized anxiety, but always under medical supervision.
Brand Viibryd costs ~$341/month; generic vilazodone is about $15/month, depending on insurance and pharmacy.
Common: sexual dysfunction, nausea, dizziness. Rare but serious effects include severe bleeding, hallucinations, and suicidal thoughts. Seek urgent care if severe symptoms occur.
Avoid if you have narrow-angle glaucoma, bipolar disorder, or history of drug/alcohol addiction. Be cautious with drug interactions, especially with stimulants, MAOIs, and antipsychotics.
Through Klarity, you can connect with licensed providers within 48 hours for personalized depression and anxiety treatment, including medication management. Schedule your appointment today and start your recovery journey.
Prozac is associated with weight changes, including gain or loss, while Viibryd generally has less impact on weight. Individual responses vary.
Both Prozac and Viibryd can treat anxiety; Prozac is often prescribed for generalized anxiety, while Viibryd may be used off-label for anxiety symptoms.
Yes, under medical guidance, your provider may switch you from Prozac to Viibryd based on your response and side effect profile.
Prozac is generally more activating, helping improve energy levels, whereas Viibryd may have a more neutral or sedating effect depending on the individual.
Alcohol should be avoided as it can increase side effects and risk of serotonin syndrome with both medications.
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