Prozac (Fluoxetine)

Box of Prozac (Fluoxetine) tablets

Brand(s): Prozac / Generic Fluoxetine
Manufacturer: Various
Known as: Fluoxetine / Prozac

This is a medication. Do not use for prolonged periods without medical advice.

Package Price Per pill
20 pills $49.40 $2.47
Package Price Per pill
20 pills $43.74 $2.18
Package Price Per pill
30 + 2 pills $35.99 $1.12
Package Price Per pill
60 + 4 pills $44.18 $0.69

Read the instructions carefully
Place an order in a few clicks >>

Description of Prozac (Fluoxetine)

Prozac (Fluoxetine) is a selective serotonin reuptake inhibitor (SSRI) that has been used for decades to treat mood and anxiety disorders. It works by increasing serotonin levels in the brain, which helps regulate mood, sleep, and emotional balance. As of 2025, Prozac is still widely prescribed in the United States, available both as a brand and as more affordable generic fluoxetine.

Depression is the most common reason Prozac is prescribed. Recognizing early signs of depression is crucial for timely treatment. Learn more Depression – key symptoms and treatment approaches

Indications and Purpose of Use

Prozac is FDA-approved for several psychiatric and behavioral health conditions:

  • Major depressive disorder (MDD)
  • Obsessive-compulsive disorder (OCD)
  • Panic disorder and generalized anxiety disorder (Prozac for anxiety)
  • Premenstrual dysphoric disorder (PMDD)
  • Bulimia nervosa

Beyond these, fluoxetine is sometimes prescribed off-label for other conditions where serotonin regulation is important.

Prozac Dosage and Administration

Correct prozac dosage depends on the condition, age, and medical history of the patient.

Condition / Patient Group Starting Dose Typical Adjustment Maximum Dose Notes
Depression / OCD (adults) 20 mg once daily May increase gradually 80 mg/day Dose changes every few weeks if needed
Panic disorder 10 mg once daily Increase to 20 mg after 1 week 60 mg/day Start low to minimize anxiety
Bulimia nervosa 20 mg once daily Increase gradually 60 mg/day Higher doses often required
PMDD 20 mg daily Can increase to 60 mg 80 mg/day Continuous or luteal phase only

Prozac should only be taken under medical supervision, and any changes in dosage must always be guided by a healthcare provider.

Side Effects and Safety Considerations

Like all SSRIs, Prozac may cause side effects. The most common are nausea, headache, insomnia, drowsiness, and changes in libido. Some patients also experience restlessness or emotional blunting during the first weeks of treatment.

A frequent concern among patients is: does prozac cause weight gain? Research shows that Prozac is less likely than some other SSRIs to cause significant weight gain, but long-term use may still lead to modest changes in body weight. At the same time, untreated depression itself can contribute to physical health issues such as obesity and even sexual dysfunction. Read more how mental health impacts the body

Prozac and Alcohol

Combining prozac and alcohol is not recommended. Alcohol may worsen drowsiness, impair judgment, and increase the risk of side effects such as mood swings or slowed reaction time. For patients with depression, drinking can also reduce the overall effectiveness of Prozac therapy.

Stress, Anxiety, and Depression

Prozac is commonly prescribed as prozac for anxiety, but it is important to distinguish anxiety from depression and from everyday stress. Stress is a natural response to challenges, while depression is a medical condition that requires treatment. Explore: Understanding the difference is essential for correct therapy

Frequently Asked Questions (FAQ)

What is Prozac used for? +

Prozac is approved for depression, OCD, panic disorder, PMDD, bulimia, and certain anxiety disorders. It is also sometimes prescribed off-label for other psychiatric conditions.

How long does it take for Prozac to work? +

Most patients begin to notice improvements in mood and energy levels within 2–4 weeks. Full therapeutic effects may take 6–8 weeks.

What is the usual Prozac dosage? +

Standard prozac dosage for depression is 20 mg per day, with gradual adjustments. Higher doses may be needed for bulimia nervosa or resistant cases of OCD.

Does Prozac cause weight gain? +

While Prozac is associated with a lower risk of weight gain compared to some SSRIs, long-term treatment may still lead to modest increases in body weight. Lifestyle modifications can help minimize this effect.

Can I drink alcohol while taking Prozac? +

Mixing prozac and alcohol is unsafe. Alcohol can intensify sedation, worsen depressive symptoms, and reduce the effectiveness of treatment.

Prozac vs Lexapro – which is better? +

Prozac vs Lexapro is a common comparison. Prozac may be better for patients who need a long-acting antidepressant, while Lexapro is often chosen for its tolerability. The best option depends on individual needs and doctor’s advice.

Sources