Drug & supplement interaction

Zinc + Duloxetine

Duloxetine brand names: Cymbalta, Drizalma Sprinkle, Irenka.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Zinc and Duloxetine in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Zinc and Duloxetine

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Duloxetine and Zinc in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Zinc safety at a glance

Zinc overall Use caution Generally safe in recommended amounts, but high doses can be harmful.
Pregnancy Likely Safe When used orally and appropriately. Zinc is safe in amounts that do not exceed the tolerable upper intake level (UL) of 34 mg daily during pregnancy in those 14... Read the full pregnancy detail
Breastfeeding Likely Safe When used orally and appropriately. Zinc is safe in amounts that do not exceed the tolerable upper intake level (UL) of 34 mg daily during lactation in those 14... Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Duloxetine and Zinc? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Duloxetine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Duloxetine is filed under 8 classifications — including antidepressant drugs, cytochrome p450 2d6 (cyp2d6) inhibitors, serotonergic drugs. Zinc has documented interactions with 10 drug classes — the most serious being bictegravir/emtricitabine/tenofovir alafenamide (biktarvy) (moderate), cephalexin (keflex) (moderate) and cisplatin (platinol-aq) (moderate) — and none of Duloxetine’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Zinc Does Interact With Other Medications

Zinc has 63 moderate, 4 minor known drug interactions in our database — Duloxetine isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Zinc

Covers the 2,830 medications we’ve checked against Zinc. Pick one to open its full report.

What to actually watch for

No Interaction Found — But Data Suggests Zinc and Duloxetine May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do. One of them is worth acting on rather than waiting out — marked below.

  • Bleeding or bruising Worth acting on Additional detail

    Zinc

    “There are several hundred reports of complete loss of sense of smell (anosmia) that may be permanent with use of zinc gluconate nasal gel, such as Zicam. Loss of sense of smell is thought to be dose related but has also been reported following a single application.”

    Zinc · Natural Medicines adverse-effect record, reported in influenza.

    6 sources cited
    1. 11306. Barrett S. Zicam Marketers Sued. United States District Court Western District of Michigan Southern Division, Filed October 14, 2003, Case No. 4:03CV0146.
    2. 11155. Jafek BW, Linschoten M, Murrow BW. Zicam Induced Anosmia. American Rhinologic Society 49th Annual Fall Scientific Meeting abstract. Orlando, Florida. September 20, 2003. http://app.american-rhinologic.org/programs/2003ARSFallProgram071503.pdf (Accessed 24
    3. 11707. DeCook CA, Hirsch AR. Anosmia due to inhalational zinc: a case report (abstract). Chem Senses 2000;25:659.
    4. 16800. Public Health Advisory. Loss of sense of smell with intranasal cold remedies containing zinc. U.S. Food and Drug Administration, June 16, 2009. Available at: http://www.fda.gov/Drugs/DrugSafety/PublicHealthAdvisories/ucm166059.htm (Accessed 16 June 2009)
    5. 16801. Dooren JC. FDA warns against use of Zicam. The Wall Street Journal, June 16, 2009. Available at: http://online.wsj.com/article/SB124516778692319231.html#mod=djemHL?mg=com-wsj (Accessed 16 June 2009).
    6. 17083. Alexander TH, Davidson TM. Intranasal zinc and anosmia: the zinc-induced anosmia syndrome. Laryngoscope 2006;116:217-20.

    Duloxetine

    Listed in the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed ›

  • Dry mouth / Stomach pain / Diarrhea / Vomiting / Nausea Additional detail

    Zinc

    “Orally, zinc can cause nausea, vomiting, a metallic or objectionable taste in the mouth, abdominal cramping, indigestion, heartburn, dry mouth, and mouth irritation. When used orally in amounts above the tolerable upper intake level, zinc may cause irritation and corrosion of the gastrointestinal tract, watery diarrhea, epigastric pain, and severe vomiting.

    Intranasally, zinc can cause bad taste, dry mouth, and burni…”

    Zinc · Natural Medicines adverse-effect record, reported in diarrhea.

    6 sources cited
    1. 338. Smith DS, Helzner EC, Nuttall CE Jr, et al. Failure of zinc gluconate in treatment of acute upper respiratory tract infections. Antimicrob Agents Chemother 1989;33:646-8. PubMed
    2. 2663. Chan S, Gerson B, Subramaniam S. The role of copper, molybdenum, selenium, and zinc in nutrition and health. Clin Lab Med 1998;18:673-85. DOI
    3. 2681. Fosmire GJ. Zinc toxicity. Am J Clin Nutr 1990;51:225-7.
    4. 6592. Wray D. A double-blind trial of systemic zinc sulfate in recurrent aphthous stomatitis. Oral Surg Oral Med Oral Pathol 1982;53:469-72. PubMed
    5. 6700. Douglas RM, Miles HB, Moore BW, et al. Failure of effervescent zinc acetate lozenges to alter the course of upper respiratory tract infections in Australian adults. Antimicrob Agents Chemother 1987;31:1263-5. PubMed
    6. 18216. Science M, Johnstone J, Roth DE, et al. Zinc for the treatment of the common cold: a systematic review and meta-analysis of randomized controlled trials. CMAJ 2012;184:E551-61. PubMed

    Duloxetine

    Listed in the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed ›

  • Stomach upset Additional detail

    Zinc

    Recorded for Zinc in the same Natural Medicines adverse-effect record shown under Dry mouth / Stomach pain / Diarrhea / Vomiting / Nausea above.

    Duloxetine

    Listed in the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed ›

  • Tiredness Additional detail

    Zinc

    “Zinc-containing denture adhesives can cause toxicity if used more frequently than recommended for several years. Case reports describe hyperzincemia, low copper levels, blood dyscrasias, and neurological problems, including sensory disturbances, numbness, tingling, limb weakness, and difficulty walking in patients applying denture adhesive multiple times daily for several years.”

    Zinc · Natural Medicines adverse-effect record, reported in cluster headache.

    6 sources cited
    1. 17092. Health Canada / GlaxoSmithKline Consumer Healthcare. Association of long-term, excessive use of zinc-containing Poli-Grip products with myeloneuropathy and blood dyscrasias. February 18, 2010. Available at: http://hc-sc.gc.ca/dhp-mps/alt_formats/pdf/medef
    2. 17093. GlaxoSmithKline Consumer Advisory. GlaxoSmithKline (GSK) warns about a potential health risk associated with long-term, excessive use of GSK's zinc-containing denture adhesives Super Polygrip Original, Ultra Fresh and Extra Care. February 18, 2010. Availa
    3. 90205. Crown LA, May JA. Zinc toxicity: denture adhesives, bone marrow failure and polyneuropathy. Tenn Med. 2012 Feb;105(2):39-40, 42.
    4. 90233. Zittel S, Ufer F, Gerloff C, Münchau A, Rosenkranz M. Severe myelopathy after denture cream use--is copper deficiency or excess zinc the cause? Clin Neurol Neurosurg. 2014 Jun;121:17-8. PubMed
    5. 8628. Turner RB. Ineffectiveness of intranasal zinc gluconate for prevention of experimental rhinovirus colds. Clin Infect Dis 2001;33:1865-70. PubMed
    6. 87534. Bosch, F. and Jimenez, E. Post-marketing surveillance of zinc acexamate in peptic ulcer treatment. Clin Trials J 1990;27:301-312.

    “Occupational inhalation of zinc oxide fumes can cause metal fume fever with symptoms including fatigue, chills, fever, myalgias, cough, dyspnea, leukocytosis, thirst, metallic taste, and salivation.”

    Zinc · Natural Medicines adverse-effect record, reported in cough.

    1 source cited
    1. 331. Barceloux DG. Zinc. J Toxicol Clin Toxicol 1999;37:279-92.

    Duloxetine

    Listed in the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed ›

  • Dizziness Additional detail

    Zinc

    Recorded for Zinc in the same Natural Medicines adverse-effect record shown under Tiredness above.

    Duloxetine

    Listed in the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed ›

  • Headache Additional detail

    Zinc

    Recorded for Zinc in the same Natural Medicines adverse-effect record shown under Dry mouth / Stomach pain / Diarrhea / Vomiting / Nausea above.

    Duloxetine

    Listed in the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed ›

Reported for Zinc but not commonly for Duloxetine: unsteadiness, mouth irritation or sores, a change in taste and numbness or tingling.

Effects for Duloxetine come from the ADVERSE REACTIONS section of its FDA label; effects for Zinc come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Zinc in Pregnancy & Breastfeeding

Pregnancy Likely Safe

When used orally and appropriately. Zinc is safe in amounts that do not exceed the tolerable upper intake level (UL) of 34 mg daily during pregnancy in those 14-18 years of age and 40 mg daily in those 19-50 years of age.

Pregnancy Likely Unsafe

When used orally in doses exceeding the UL.

Lactation Likely Safe

When used orally and appropriately. Zinc is safe in amounts that do not exceed the tolerable upper intake level (UL) of 34 mg daily during lactation in those 14-18 years of age, and 40 mg daily for those 19-50 years of age.

Lactation Possibly Unsafe

When used orally in doses exceeding the UL. Higher doses can cause zinc-induced copper deficiency in nursing infants.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

Overlapping uses

What Duloxetine Is Prescribed For, and What Zinc Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Duloxetine is a prescription medicine with approved uses on its FDA label. Zinc is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Duloxetine is prescribed for: Duloxetine delayed-release capsules treat major depressive disorder (MDD) and generalized anxiety disorder (GAD) in adults. They also manage diabetic peripheral neuropathic pain (nerve pain from diabetes), fibromyalgia, and chronic musculoskeletal pain (such as chronic low back pain and pain from osteoarthritis) in adults. GAD is also approved in pediatric patients 7 years and older for Cymbalta, Drizalma Sprinkle, and certain duloxetine delayed-release capsule products. Fibromyalgia is approved in patients 13 years and older for Cymbalta and some duloxetine delayed-release capsule products.

Read the rest of what Duloxetine is prescribed for

Age-specific approvals vary by product — follow your prescriber's guidance on which product is right for your age group.

Zinc has been studied for:

  • Diabetes Natural Medicines rates the evidence for Zinc: Possibly Effective Read what the research shows

    Zinc for diabetes

    Oral zinc might modestly improve glycemic control in some patients.

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Duloxetine on your own; if you are taking Zinc for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

From our Q&A

Questions About Zinc or Duloxetine

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Zinc or Duloxetine, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Duloxetine

This page covers Zinc only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Duloxetine page lists 132 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Lithium (major), Siberian Cocklebur (major) and Wine (major).

By severity: 5 major · 107 moderate · 20 minor.

Open the Duloxetine interaction page

One more smart check

Taking Zinc as Part of a Dietary Supplement Product? Check It for Interactions

We hold 26,692 real supplement products containing Zinc, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Zinc. Even though Zinc itself has no known interaction with Duloxetine, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Zinc and Duloxetine Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Zinc
Top 10

#8 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Duloxetine
Top 5%

#47 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Zinc reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Zinc and Duloxetine records this page draws on were last updated July 11, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Zinc

What is Zinc?

Zinc
  • Zinc deficiency
  • Immune support
  • Cold symptoms
  • Acne
  • Wound healing

Zinc is an essential mineral that your body needs for immune function, wound healing, taste, and smell. Most people get enough from food, but supplements can help correct or prevent a deficiency. Taking too much zinc for too long can cause harm, so check with a pharmacist or doctor before using high-dose supplements.

Not applicable (an essential mineral) · Tablets, capsules, lozenges, liquid, and topical creams

An interaction check asks whether these two react with each other — it does not ask whether Zinc is a good idea for someone in your situation. Here is what our Zinc record says about it on its own.

Zinc: dosing

The right amount of zinc depends on your age, sex, health, and the reason you are taking it. A standardized supplement dose is not established for most uses, and different products contain different amounts and forms of zinc.For general nutrition, many people meet their needs through food and a standard multivitamin. Avoid taking high doses long-term on your own.

From our Zinc monograph — the full record covers uses, side effects and every documented interaction.

Read the full Zinc monograph & all interactions
Medication

About Duloxetine

What Is Duloxetine Used For?

Brand names: Cymbalta, Drizalma Sprinkle, Irenka

Duloxetine delayed-release capsules treat major depressive disorder (MDD) and generalized anxiety disorder (GAD) in adults. They also manage diabetic peripheral neuropathic pain (nerve pain from diabetes), fibromyalgia, and chronic musculoskeletal pain (such as chronic low back pain and pain from osteoarthritis) in adults.

GAD is also approved in pediatric patients 7 years and older for Cymbalta, Drizalma Sprinkle, and certain duloxetine delayed-release capsule products. Fibromyalgia is approved in patients 13 years and older for Cymbalta and some duloxetine delayed-release capsule products. Age-specific approvals vary by product — follow your prescriber's guidance on which product is right for your age group.

See full Duloxetine drug information
Keep checking

Other Drugs & Zinc

Browse every other medication we’ve checked against Zinc — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
63Moderate
4Minor
2,762No known interaction
Moderate

63 interactions

Showing 60 of 63 moderate interactions — see all 63 on the Zinc page.

Minor

4 interactions

No interaction 2,762 drugs checked — show the list
Evidence & sources

Zinc References

The 88 references that drive our Zinc monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Barceloux DG. Zinc. J Toxicol Clin Toxicol 1999;37:279-92.
  2. Eby GA, Davis DR, Halcomb WW. Reduction in duration of common colds by zinc gluconate lozenges in a double-blind study. Antimicrob Agents Chemother 1984;25:20-4. DOI
  3. Smith DS, Helzner EC, Nuttall CE Jr, et al. Failure of zinc gluconate in treatment of acute upper respiratory tract infections. Antimicrob Agents Chemother 1989;33:646-8. PubMed
  4. Blondeau JM. Expanded activity and utility of the new fluoroquinolones: a review. Clin Ther 1999;21:3-40. PubMed
  5. Reyes AJ, Olhaberry JV, Leary WP, et al. Urinary zinc excretion, diuretics, zinc deficiency and some side-effects of diuretics. S Afr Med J 1983;64:936-41.
  6. Kugelmas M. Preliminary observation: oral zinc sulfate replacement is effective in treating muscle cramps in cirrhotic patients. J Am Coll Nutr 2000;19:13-5. PubMed
  7. Hebel SK, ed. Drug Facts and Comparisons. 52nd ed. St. Louis: Facts and Comparisons, 1998.
  8. Chan S, Gerson B, Subramaniam S. The role of copper, molybdenum, selenium, and zinc in nutrition and health. Clin Lab Med 1998;18:673-85. DOI
  9. Brewer GJ, Yuzbasiyan-Gurkan V, Johnson V, et al. Treatment of Wilson's disease with zinc: XI. Interaction with other anticopper agents. J Am Coll Nutr 1993;12:26-30. PubMed
  10. Fosmire GJ. Zinc toxicity. Am J Clin Nutr 1990;51:225-7.
  11. Lomaestro BM, Bailie GR. Absorption interactions with fluoroquinolones. 1995 update. Drug Saf 1995;12:314-33. PubMed
  12. Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
  13. Seelig MS. Auto-immune complications of D-penicillamine - A possible result of zinc and magnesium depletion and of pyridoxine inactivation. J Am Coll Nutr 1982;1:207-14. PubMed
  14. Neuvonen PJ. Interactions with the absorption of tetracyclines. Drugs 1976;11:45-54.. PubMed
  15. Hirt M, Nobel S, Barron E. Zinc nasal gel for the treatment of common cold symptoms: A double-blind, placebo-controlled trial. Ear Nose Throat J 2000;79:778-82.. DOI

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Zinc and Duloxetine Together: Common Questions

Is it safe to take Zinc with Duloxetine?
We do not list a known interaction between Zinc and Duloxetine. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Do Zinc and Duloxetine have any of the same side effects?
Yes — our sources link each of them separately to 10 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Are Zinc and Duloxetine used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Zinc in each. That is a conversation for your prescriber, especially if Duloxetine is being adjusted to a target.
How was the Zinc and Duloxetine combination checked?
Interactions in our licensed database are recorded against drug classes. Duloxetine is filed under 8 classifications, and Zinc has documented interactions with 10 drug classes — none of Duloxetine's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Zinc interact with any other medications?
Yes. Zinc has 67 documented drug interactions in our database — Duloxetine is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Duloxetine interact with any supplements?
Yes. Duloxetine has documented interactions with 132 supplements in our database — Zinc is not one of them. The Duloxetine interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Duloxetine and Zinc?

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.