Drug & supplement interaction

Eggshell Membrane + Duloxetine

Duloxetine brand names: Cymbalta, Drizalma Sprinkle, Irenka.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Eggshell Membrane 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.

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Interaction report

Eggshell Membrane 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 Eggshell Membrane 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.

Worth understanding: our licensed dataset holds no drug-interaction record for Eggshell Membrane at all — not against Duloxetine, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

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.

Eggshell Membrane safety at a glance

Eggshell Membrane overall Use caution Generally well tolerated in short-term studies, but should be avoided by anyone with an egg allergy.
Pregnancy Avoid There is not enough safety information, so it is best to avoid use during pregnancy.
Breastfeeding Avoid Safety while breastfeeding has not been studied, so avoiding it is the safer choice.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Duloxetine and Eggshell Membrane? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Duloxetine’s Own FDA Label Lists

This is not an interaction — none of it involves Eggshell Membrane. These are the most notable effects listed in the ADVERSE REACTIONS section of Duloxetine’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 9 of them are worth acting on rather than waiting out — marked below.

  • Mania or an unusually elevated mood Worth acting on
  • Serotonin syndrome Worth acting on
  • Thoughts of self-harm Worth acting on
  • Trouble passing urine Worth acting on
  • Low sodium Worth acting on
  • Fainting Worth acting on
  • Seizures Worth acting on
  • Liver problems Worth acting on
  • Bleeding or bruising Worth acting on
  • Erection problems

Showing the 10 most notable of 29 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Duloxetine. Read the label on DailyMed › Eggshell Membrane’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Eggshell Membrane side to compare — that is a limit of the record, not a statement that Eggshell Membrane has no side effects.

Overlapping uses

What Duloxetine Is Prescribed For, and What Eggshell Membrane 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. Eggshell Membrane 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.

Eggshell Membrane has been studied for:

  • Osteoarthritis Natural Medicines rates the evidence for Eggshell Membrane: Possibly Effective Read what the research shows

    Eggshell Membrane for osteoarthritis

    Oral eggshell membrane may modestly reduce pain and improve function in adults with knee osteoarthritis, although it is unclear if these changes would be considered clinically significant.

  • Joint pain studied, not established Eggshell Membrane has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Eggshell Membrane for joint pain

    It is unclear if oral eggshell membrane is beneficial for joint pain after exercise.

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 Eggshell Membrane for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

From our Q&A

Questions About Eggshell Membrane 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 Eggshell Membrane 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 Eggshell Membrane 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

How much people look this up

Where Eggshell Membrane 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 Eggshell Membrane
Steady interest

#1,412 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Duloxetine
Top 5%

#63 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. Eggshell Membrane is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Eggshell Membrane reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Eggshell Membrane 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 Eggshell Membrane

What is Eggshell Membrane?

  • Joint pain and stiffness
  • Osteoarthritis
  • Joint flexibility and range of motion
  • Connective tissue support
  • Exercise-related joint discomfort

Eggshell membrane is a natural source of collagen, hyaluronic acid, and other connective-tissue compounds that is marketed mainly for joint comfort and osteoarthritis. Some small studies suggest it may modestly reduce joint pain and stiffness, but the evidence is limited and more research is needed. It is generally well tolerated, but people with egg allergy should avoid it.

The thin membrane lining the inside of a chicken (hen) eggshell · Capsules, tablets, powder

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

Eggshell Membrane: dosing

There is no official, standardized dose for eggshell membrane. Studies have used it as a once-daily supplement, and commercial products usually come in fixed capsule or tablet strengths.The best approach is to follow the directions on the product label and not take more than recommended.

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

Read the full Eggshell Membrane 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 & Eggshell Membrane

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

0Major
0Moderate
0Minor
2,829No known interaction
2,829 No interaction
No interaction 2,829 drugs checked — show the list

We also checked Eggshell Membrane against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Eggshell Membrane list.

See the full Eggshell Membrane interactions page
See every supplement checked against Duloxetine, ranked by severity
Evidence & sources

Eggshell Membrane References

The 3 sources that drive our Eggshell Membrane monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Eggshell Membrane is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Osteoarthritis — MedlinePlus (NIH) Source
  2. Dietary Supplements: What You Need to Know — NIH Office of Dietary Supplements Source
  3. Using Dietary Supplements Wisely — NIH NCCIH Source

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 Eggshell Membrane and Duloxetine Together: Common Questions

Is it safe to take Eggshell Membrane with Duloxetine?
We do not list a known interaction between Eggshell Membrane 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.
Are Eggshell Membrane 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 Eggshell Membrane in each. That is a conversation for your prescriber, especially if Duloxetine is being adjusted to a target.
Does Duloxetine interact with any supplements?
Yes. Duloxetine has documented interactions with 132 supplements in our database — Eggshell Membrane 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

Where next

Keep Exploring

Eggshell Membrane monograph Uses, safety profile, and every drug interaction in one place Duloxetine drug information The full plain-English guide to this medication Duloxetine supplement interactions Every supplement checked against Duloxetine, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Duloxetine and Eggshell Membrane?

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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.