DuloxetineDuloxetine Hydrochloride

About Duloxetine

Duloxetine’s labeled uses are major depressive disorder in adults; generalized anxiety disorder in adults and children 7 and older; diabetic peripheral neuropathic pain in adults; fibromyalgia in adults and children 13 and older; and chronic musculoskeletal pain in adults. For most uses the adult target is 60 mg once a day. Depression starts at 40 to 60 mg a day; adults with anxiety start at 60 mg (or 30 mg for a week), adults with fibromyalgia or musculoskeletal pain at 30 mg for a week, and children with anxiety at 30 mg for two weeks. The maximum is 120 mg a day for depression and anxiety and 60 mg for the pain conditions. It is avoided in severe kidney impairment.

The boxed warning says antidepressants increased the risk of suicidal thoughts and behaviors in children, adolescents and young adults in short-term studies, so anyone starting one is watched closely. It must not be combined with an MAO inhibitor: 14 days must pass after stopping one before duloxetine starts, and 5 days after stopping duloxetine before an MAO inhibitor; it is not started in someone receiving linezolid or intravenous methylene blue. It can injure the liver, so it is not prescribed to people with substantial alcohol use or chronic liver disease, and it is stopped if jaundice appears. Other warnings cover low blood pressure on standing, falls and fainting (more likely with age), serotonin syndrome, bleeding, severe skin reactions, angle-closure glaucoma, mania, seizures, raised blood pressure, low sodium, trouble urinating, sexual problems and, in diabetic nerve pain, worse blood sugar control. Nausea, dry mouth, sleepiness, constipation, decreased appetite and sweating are the most common side effects in adults; in children, decreased weight and appetite, nausea, vomiting, tiredness and diarrhea.

Generic capsules hold enteric-coated pellets and are swallowed whole, because chewing, crushing or opening them might affect the coating. Drizalma Sprinkle may be swallowed whole, opened and sprinkled over applesauce, or given through a nasogastric tube; it is not labeled for fibromyalgia in children. Almatica’s 80, 90 and 120 mg capsules, approved in February 2026 for depression and generalized anxiety disorder, are taken on an empty stomach and only after at least a week (two weeks for older adults and children with anxiety) on 60 mg a day of another duloxetine capsule. Stopping suddenly can cause dizziness, headache, nausea and insomnia, so the dose is lowered gradually. Use in the month before delivery may raise the risk of heavy bleeding after birth, babies exposed late in pregnancy have had complications, and duloxetine passes into breast milk.

Taking Duloxetine

How to take it

Once or twice a day as prescribed, with or without food (the 80, 90 and 120 mg capsules once a day on an empty stomach). Swallow capsules whole; only Drizalma Sprinkle may be opened onto applesauce, then swallowed right away. Do not stop it on your own.

If you miss a dose

Take it as soon as you remember, unless it is almost time for the next dose; then skip the missed dose and carry on as usual. Do not take a double dose.

Storage

At room temperature in the original, tightly closed container, away from excess heat and moisture (not in the bathroom), out of reach of children.

Interactions to know about

Never with an MAO inhibitor or thioridazine. Fluvoxamine and other potent CYP1A2 blockers are avoided, and quinolone antibiotics such as ciprofloxacin also block this enzyme; it raises tricyclic antidepressant levels, which may need checking. Triptans, other antidepressants, tramadol, lithium and St. John’s wort add to serotonin syndrome risk, aspirin, NSAIDs and warfarin to bleeding risk, and heavy drinking to the risk of liver injury.

This summarizes the official prescribing information. Your prescriber’s and pharmacist’s instructions, and the leaflet that comes with your medicine, take priority.

Why the cash price for Duloxetine differs from pharmacy to pharmacy

Generic duloxetine has many makers. Only some sell a 40 mg capsule, so a 40 mg dose may be written as two 20 mg capsules, and doses above 60 mg take more than one standard capsule.

Drizalma Sprinkle is priced as a brand, the 80, 90 and 120 mg capsules come from one maker, and neither can be swapped at the counter for standard capsules.

Ways to pay less for Duloxetine without insurance

• Ask for generic duloxetine capsules, and compare more than one pharmacy.
• Ask for quotes on your daily dose as one capsule and as smaller ones; the prescription must match the one you choose.
• Once your dose is settled, ask for a ninety-day supply.
• If Drizalma Sprinkle was chosen because swallowing is hard, ask the prescriber whether it is still needed, or ask the maker about a savings program for cash payers.
• Upload the prescription to Script Unlock so licensed pharmacies can quote their cash price. You pay the pharmacy directly.

Questions to ask your pharmacist about Duloxetine

1. 1.Can I open my capsules, or only Drizalma Sprinkle?
2. 2.Is it safe with my liver condition or the amount of alcohol I drink?
3. 3.Do any of my medicines, such as fluvoxamine, ciprofloxacin, a blood thinner or a migraine medicine, interact with it?
4. 4.How should my dose be tapered if I need to stop?

Related medications