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    Home/Medications/Duloxetine

    SNRIs

    DuloxetineDuloxetine Hydrochloride

    Duloxetine (generic Cymbalta) is a serotonin-norepinephrine reuptake inhibitor (SNRI) taken once or twice a day for depression, generalised anxiety, diabetic nerve pain, fibromyalgia and chronic musculoskeletal pain. It is a generic delayed-release capsule.

    Written by the Script Unlock editorial teamLast updated September 27, 2026Not yet reviewed by an independent pharmacist

    This page is general information about a medication and how cash prices for it are set. It is not medical advice and does not replace the label, your prescriber or your pharmacist. How we handle medical information

    Brand names
    Cymbalta, Irenka
    Generic available in the US
    Yes
    Dosage forms
    Delayed-release capsule
    Strengths on US labels
    20, 30, 40 and 60 mg capsules
    Commonly prescribed for
    Depression, Anxiety, Diabetic Neuropathy, Fibromyalgia, Chronic Pain

    All strengths are generic. Irenka is a brand 40 mg capsule.

    About Duloxetine

    Duloxetine raises both serotonin and norepinephrine signalling. That dual action is why it is approved for pain conditions as well as mood disorders: norepinephrine is involved in the body’s own pain-dampening pathways. It is one of the few antidepressants with FDA approval for diabetic peripheral neuropathy, fibromyalgia and chronic low back and osteoarthritis pain.

    It comes only as delayed-release capsules, which must be swallowed whole; the capsules protect the drug from stomach acid. Nausea, dry mouth, sleepiness, constipation and sweating are common when starting. Because it also affects norepinephrine it can raise blood pressure slightly, and it should be used cautiously with liver disease or heavy alcohol use. Stopping suddenly causes discontinuation symptoms, so it is tapered.

    The class boxed warning about suicidal thinking in young people applies. Duloxetine interacts with a range of medicines through liver enzymes and through its serotonin effect, so a full medicine list is worth reviewing with the pharmacist.

    Why the cash price for Duloxetine differs from pharmacy to pharmacy

    Duloxetine capsules cost pharmacies more than plain generic tablets because of the delayed-release pellet manufacturing, and the price spread between manufacturers is wider. That means the pharmacy’s supplier choice affects your cash price as much as its mark-up does.

    Two 30 mg capsules and one 60 mg capsule are the same dose but can be priced very differently, in either direction, depending on the pharmacy’s purchasing. The prescriber decides the capsule strength, but the pharmacy can tell you which combination is cheaper there.

    Ways to pay less for Duloxetine without insurance

    • Ask the pharmacy to quote your daily dose as one capsule and as two smaller capsules, and ask the prescriber to write whichever is cheaper if clinically equivalent.
    • Ask for a ninety-day prescription once your dose is stable.
    • Ask which manufacturer’s generic the pharmacy stocks and whether an alternative is available.
    • Compare independent and mail-order pharmacies.
    • Upload your prescription to Script Unlock so licensed pharmacies can quote their cash price. You pay the pharmacy directly.

    How Script Unlock gets you a cash price for Duloxetine

    Prices on this site come from pharmacies responding to a real prescription. We do not publish estimated, average or "typical" prices, because none of those would be your price.

    1. 1You upload your prescription

      A photo of your Duloxetine prescription is enough. Nothing is sold on the site; you are asking pharmacies to quote.

    2. 2Licensed pharmacies respond

      Pharmacies that Script Unlock has verified see the request and each can reply with its own cash price for your exact drug, strength and quantity.

    3. 3You choose and pay the pharmacy

      You compare the responses, pick a pharmacy, and pay that pharmacy directly when you collect. Script Unlock never takes a patient payment and never sets the price.

    Upload a Duloxetine prescriptionWhat Script Unlock cannot do

    Questions to ask your pharmacist about Duloxetine

    1. 1.Can I open the capsule if I have trouble swallowing?
    2. 2.Should I take it with food to reduce nausea?
    3. 3.Which of my other medicines interact with duloxetine?
    4. 4.How is it tapered if I need to stop?
    5. 5.Should I watch my blood pressure?

    Related medications

    SertralineEscitalopramGabapentinBupropionVenlafaxineDesvenlafaxineViloxazine

    Sources

    • FDA-approved labeling on DailyMed (duloxetine)
    • FDA Orange Book (approved generics and therapeutic equivalence)
    • MedlinePlus drug information (National Library of Medicine)

    Script Unlock is a marketplace that lets licensed pharmacies quote a cash price on your prescription. It does not prescribe, dispense or sell medication, does not process patient payments, and does not give medical advice. Always follow the instructions of your prescriber and pharmacist and read the medication guide supplied with your medicine.

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    You pay the pharmacy directly
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    Upload your prescription and licensed, verified pharmacies each quote their own cash price. You pay the pharmacy directly.

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