Prozac Weekly delayed-release capsules

Generic Name: fluoxetine (floo-OX-e-teen)
Brand Name: Prozac Weekly

Antidepressants may increase the risk of suicidal thoughts or actions in children, teenagers, and young adults. However, depression and certain other mental problems may also increase the risk of suicide. Talk with the patient's doctor to be sure that the benefits of using Prozac Weekly delayed-release capsules outweigh the risks.

Family and caregivers must closely watch patients who take Prozac Weekly delayed-release capsules. It is important to keep in close contact with the patient's doctor. Tell the doctor right away if the patient has symptoms like worsened depression, suicidal thoughts, or changes in behavior. Discuss any questions with the patient's doctor.

Prozac Weekly delayed-release capsules is not approved for use in all children. If Prozac Weekly delayed-release capsules is prescribed for your child, talk with the doctor to be sure that Prozac Weekly delayed-release capsules is right for your child.


Prozac Weekly delayed-release capsules is used for:

Treating depression. It may also be used for other conditions as determined by your doctor.

Prozac Weekly delayed-release capsules is a selective serotonin reuptake inhibitor (SSRI). It works by restoring the balance of serotonin, a natural substance in the brain, which helps to improve certain mood problems.

Do NOT use Prozac Weekly delayed-release capsules if:

  • you are allergic to any ingredient in Prozac Weekly delayed-release capsules
  • you are taking or have taken linezolid, a monoamine oxidase inhibitor (MAOI) (eg, phenelzine, selegiline), or St. John's wort within the last 14 days
  • you are taking a fenfluramine derivative (eg, dexfenfluramine), nefazodone, pimozide, a serotonin-norepinephrine reuptake inhibitor (SNRI) (eg, venlafaxine), another SSRI (eg, paroxetine), sibutramine, thioridazine, or tryptophan

Contact your doctor or health care provider right away if any of these apply to you.

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Before using Prozac Weekly delayed-release capsules:

Some medical conditions may interact with Prozac Weekly delayed-release capsules. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you or a family member has a history of bipolar disorder (manic-depression), other mental or mood problems, suicidal thoughts or attempts, or alcohol or substance abuse
  • if you have a history of seizures, stroke, heart problems, high blood pressure, liver problems, kidney problems, bleeding problems, or diabetes
  • if you have a certain type of glaucoma (narrow-angle glaucoma) or are at risk of this condition
  • if you are dehydrated, have low blood sodium levels, or drink alcohol
  • if you will be having electroconvulsive therapy (ECT)
  • if you are taking a medicine that contains methylene blue

Some MEDICINES MAY INTERACT with Prozac Weekly delayed-release capsules. Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Anorexiants (eg, phentermine), buspirone, fenfluramine derivatives (eg, dexfenfluramine), fentanyl, linezolid, lithium, MAOIs (eg, phenelzine, rasagiline, selegiline), meperidine, methylene blue, metoclopramide, nefazodone, serotonin 5-HT1 receptor agonists (eg, sumatriptan), sibutramine, SNRIs (eg, venlafaxine), another SSRI (eg, paroxetine), St. John's wort, tramadol, trazodone, or tryptophan because severe side effects, such as a reaction that may include fever, rigid muscles, blood pressure changes, mental changes, confusion, irritability, agitation, delirium, or coma, may occur
  • Anticoagulants (eg, warfarin), aspirin, or nonsteroidal anti-inflammatory drugs (NSAIDs) (eg, ibuprofen, intranasal ketorolac) because the risk of bleeding, including stomach bleeding, may be increased
  • Diuretics (eg, furosemide, hydrochlorothiazide) because the risk of low blood sodium levels may be increased
  • HIV protease inhibitors (eg, ritonavir) because they may increase the risk of Prozac Weekly delayed-release capsules's side effects
  • Cyproheptadine because it may decrease Prozac Weekly delayed-release capsules's effectiveness
  • Aripiprazole, benzodiazepines (eg, alprazolam), beta-blockers (eg, propranolol), bupropion, carbamazepine, clozapine, digoxin, flecainide, haloperidol, hydantoins (eg, phenytoin), iloperidone, norepinephrine reuptake inhibitors (eg, atomoxetine), phenothiazines (eg, chlorpromazine, thioridazine), pimozide, propafenone, risperidone, tetrabenazine, or tricyclic antidepressants (eg, amitriptyline), or vinblastine because the risk of their side effects may be increased by Prozac Weekly delayed-release capsules
  • Tamoxifen because its effectiveness may be decreased by Prozac Weekly delayed-release capsules, which may lead to an increased risk of breast cancer recurrence in women with a history of breast cancer

This may not be a complete list of all interactions that may occur. Ask your health care provider if Prozac Weekly delayed-release capsules may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Prozac Weekly delayed-release capsules:

Use Prozac Weekly delayed-release capsules as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Prozac Weekly delayed-release capsules comes with an extra patient information sheet called a Medication Guide. Read it carefully. Read it again each time you get Prozac Weekly delayed-release capsules refilled.
  • Take Prozac Weekly delayed-release capsules by mouth with or without food.
  • Swallow Prozac Weekly delayed-release capsules whole. Do not break, crush, or chew before swallowing.
  • Taking Prozac Weekly delayed-release capsules at the same time each day will help you remember to take it.
  • Continue to take Prozac Weekly delayed-release capsules even if you feel well. Do not miss any doses.
  • Do not suddenly stop taking Prozac Weekly delayed-release capsules without checking with your doctor. Side effects may occur. They may include mental or mood changes, numbness or tingling of the skin, dizziness, confusion, headache, trouble sleeping, or unusual tiredness. You will be closely monitored when you start Prozac Weekly delayed-release capsules and whenever a change in dose is made.
  • If you miss a dose of Prozac Weekly delayed-release capsules, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Prozac Weekly delayed-release capsules.

Important safety information:

  • Prozac Weekly delayed-release capsules may cause drowsiness or dizziness. It may also cause you to not be able to make decisions, think clearly, or react quickly. Do not drive or perform other possibly unsafe tasks until you know how you react to Prozac Weekly delayed-release capsules.
  • Do not drink alcohol while you are taking Prozac Weekly delayed-release capsules.
  • Check with your doctor before you use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are taking Prozac Weekly delayed-release capsules; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
  • Several weeks may pass before your symptoms improve. Do NOT take more than the recommended dose, change your dose, or take Prozac Weekly delayed-release capsules for longer than prescribed without checking with your doctor.
  • Children and teenagers who take Prozac Weekly delayed-release capsules may be at increased risk for suicidal thoughts or actions. Adults may also be affected. The risk may be greater in patients who have had suicidal thoughts or actions in the past. The risk may also be greater in patients who have had bipolar (manic-depressive) illness, or if their family members have had it. Watch patients who take Prozac Weekly delayed-release capsules closely. Contact the doctor at once if new, worsened, or sudden symptoms, such as depressed mood; anxious, restless, or irritable behavior; panic attacks; or any unusual change in mood or behavior, occur. Contact the doctor right away if any signs of suicidal thoughts or actions occur.
  • Diabetes patients - Prozac Weekly delayed-release capsules may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
  • Serotonin syndrome is a possibly fatal syndrome that can be caused by Prozac Weekly delayed-release capsules. Your risk may be greater if you take Prozac Weekly delayed-release capsules with certain other medicines (eg, "triptans," MAOIs). Symptoms may include agitation; confusion; hallucinations; coma; fever; fast or irregular heartbeat; tremor; excessive sweating; and nausea, vomiting, or diarrhea. Contact your doctor at once if you have any of these symptoms.
  • If your doctor tells you to stop taking Prozac Weekly delayed-release capsules, you will need to wait at least 5 weeks before beginning to take certain other medicines (eg, MAOIs, nefazodone, thioridazine). Ask your doctor when you should start to take your new medicines after you have stopped taking Prozac Weekly delayed-release capsules.
  • Low blood sodium levels may occur from treatment with Prozac Weekly delayed-release capsules. In severe cases, this can be deadly. Call your doctor right away if you have confusion, decreased coordination, fainting, hallucinations, headache, memory problems, mental or mood changes, seizures, sluggishness, trouble concentrating, or weakness.
  • Prozac Weekly delayed-release capsules may rarely cause a prolonged, painful erection. This could happen even when you are not having sex. If this is not treated right away, it could lead to permanent sexual problems such as impotence. Contact your doctor right away if this happens.
  • Other brands of medicine that contain the same ingredient (fluoxetine) are available. These other brands may be used to treat premenstrual dysphoric disorder (PMDD) or to treat depression in patients with bipolar disorder. Do not take Prozac Weekly delayed-release capsules if you are taking any other medicine that contains fluoxetine. Discuss any questions or concerns with your doctor.
  • Use Prozac Weekly delayed-release capsules with caution in the ELDERLY; they may be more sensitive to its effects, especially low blood sodium levels.
  • Prozac Weekly delayed-release capsules should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
  • Prozac Weekly delayed-release capsules may cause weight changes. CHILDREN and teenagers may need regular weight and growth checks while they take Prozac Weekly delayed-release capsules.
  • PREGNANCY and BREAST-FEEDING: Prozac Weekly delayed-release capsules may cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Prozac Weekly delayed-release capsules while you are pregnant. Prozac Weekly delayed-release capsules is found in breast milk. Do not breast-feed while taking Prozac Weekly delayed-release capsules.

Possible side effects of Prozac Weekly delayed-release capsules:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Abnormal dreams; anxiety; decreased sexual desire or ability; diarrhea; dizziness; drowsiness; dry mouth; flu-like symptoms (eg, fever, chills, muscle aches); flushing; increased sweating; loss of appetite; nausea; nervousness; runny or stuffy nose; sore throat; stomach upset; trouble sleeping; weakness; yawning.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); black, bloody, or tarry stools; chest pain; confusion; decreased concentration; decreased coordination; exaggerated reflexes; excessive sweating; fainting; fast or irregular heartbeat; fever, chills, or persistent sore throat; hallucinations; joint or wrist aches or pain; memory problems; new or worsening mental, mood, or behavior changes (eg, depression, anxiety, agitation, panic attacks, aggressiveness, impulsiveness, irritability, hostility, exaggerated feeling of well-being, restlessness, or inability to sit still); persistent or severe ringing in the ears; persistent, painful erection; persistent trouble sleeping; red, swollen, blistered, or peeling skin; seizures; severe or persistent dizziness or headache; severe or persistent nausea, vomiting, diarrhea, or stomach pain; significant weight loss; suicidal thoughts or attempts; tremor; trouble urinating; unusual bruising or bleeding; unusual weakness; vision changes; vomit that looks like coffee grounds.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of Prozac Weekly delayed-release capsules:

Store Prozac Weekly delayed-release capsules at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Prozac Weekly delayed-release capsules out of the reach of children and away from pets.

General information:

  • If you have any questions about Prozac Weekly delayed-release capsules, please talk with your doctor, pharmacist, or other health care provider.
  • Prozac Weekly delayed-release capsules is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Prozac Weekly delayed-release capsules or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Prozac Weekly delayed-release capsules. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Prozac Weekly delayed-release capsules. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your health care provider for complete information about the risks and benefits of using Prozac Weekly delayed-release capsules.

Issue Date: April 2, 2014
Database Edition 14.2.1.001
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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