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Cymbalta: Uses, Side Effects and Dosage

Updated:
Facts
Status:
Prescription (Rx) Boxed warning
Strength:
20 mg, 30 mg, 60 mg
Other brand names:
Active ingredient:

Patient information: uses, side effects, how to take - Cymbalta

What is the most important information I should know about antidepressant medicines, depression and other serious mental illnesses, and suicidal thoughts or actions?

  1. 1. Antidepressant medicines may increase suicidal thoughts or actions in some children, teenagers, and young adults within the first few months of treatment.
  2. 2. Depression and other serious mental illnesses are the most important causes of suicidal thoughts and actions. Some people may have a particularly high risk of having suicidal thoughts or actions. These include people who have (or have a family history of) bipolar illness (also called manic-depressive illness) or suicidal thoughts or actions.
  3. 3.

    How can I watch for and try to prevent suicidal thoughts and actions in myself or a family member?

    • Pay close attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings. This is very important when an antidepressant medicine is started or when the dose is changed.
    • Call the healthcare provider right away to report new or sudden changes in mood, behavior, thoughts, or feelings.
    • Keep all follow-up visits with the healthcare provider as scheduled. Call the healthcare provider between visits as needed, especially if you have concerns about symptoms.

Call a healthcare provider right away if you or your family member has any of the following symptoms, especially if they are new, worse, or worry you:

  • thoughts about suicide or dying
  • attempts to commit suicide
  • new or worse depression
  • new or worse anxiety
  • feeling very agitated or restless
  • panic attacks
  • trouble sleeping (insomnia)
  • new or worse irritability
  • acting aggressive, being angry, or violent
  • acting on dangerous impulses
  • an extreme increase in activity and talking (mania)
  • other unusual changes in behavior or mood

What else do I need to know about antidepressant medicines?

  • Never stop an antidepressant medicine without first talking to a healthcare provider. Stopping an antidepressant medicine suddenly can cause other symptoms.
  • Antidepressants are medicines used to treat depression and other illnesses. It is important to discuss all the risks of treating depression and also the risks of not treating it. Patients and their families or other caregivers should discuss all treatment choices with the healthcare provider, not just the use of antidepressants.
  • Antidepressant medicines have other side effects. Talk to the healthcare provider about the side effects of the medicine prescribed for you or your family member.
  • Antidepressant medicines can interact with other medicines. Know all of the medicines that you or your family member takes. Keep a list of all medicines to show the healthcare provider. Do not start new medicines without first checking with your healthcare provider.
  • Not all antidepressant medicines prescribed for children are FDA approved for use in children. Talk to your child's healthcare provider for more information.

These are not all the possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

This Medication Guide has been approved by the US Food and Drug Administration for all antidepressants.

Patient Information revised December 4, 2008

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About this document

Source: FDA drug labeling via NLM DailyMed · Application number: NDA 021427 · View the label on DailyMed

Revision date stated in the text: December 4, 2008

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The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Cymbalta

Rx or OTC
Prescription (Rx)?
  • This drug is available only with a prescription from a licensed healthcare provider.
  • Rx
Boxed warning Yes – this drug has a boxed warning (also called a black box warning), the strongest warning of the FDA.
Drug class Serotonin and Norepinephrine Reuptake Inhibitor
Active ingredient Duloxetine hydrochloride
Dosage form Capsule, delayed release
Route Oral
Marketing status not in the current FDA NDC Directory
Company (applicant) LILLY
FDA approval NDA 021427New Drug Application (NDA) Approved August 3, 2004
Reference listed drug This is the reference listed drug (RLD) that generics are compared with.
Packages (NDC)
Package
20 mg – 60 in 1 bottle NDC 54868-5215-0
20 mg – 90 in 1 bottle NDC 54868-5215-1
20 mg – 30 in 1 bottle NDC 54868-5215-2
30 mg – 30 in 1 bottle NDC 54868-5315-0
30 mg – 90 in 1 bottle NDC 54868-5315-1
30 mg – 60 in 1 bottle NDC 54868-5315-2
60 mg – 30 in 1 bottle NDC 54868-5192-0
60 mg – 90 in 1 bottle NDC 54868-5192-1
60 mg – 60 in 1 bottle NDC 54868-5192-2
60 mg – 180 in 1 bottle NDC 54868-5192-3

Source: FDA drug labeling via NLM DailyMed, data as of October 31, 2026. FDA data (DailyMed, Orange Book, Drug Shortages, enforcement reports). Not a substitute for the advice of a doctor or pharmacist.