Drug & supplement interaction

Octopamine + Ethinyl Estradiol, Norethindrone

Ethinyl Estradiol, Norethindrone brand names: Femhrt, Loestrin 21, Ovcon 35 21, Ovcon 50 28, Necon 0.5 35 21, and others.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Octopamine and Ethinyl Estradiol, Norethindrone 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 label for Ethinyl Estradiol, Norethindrone states a food rule worth keeping to, and 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

Octopamine and Ethinyl Estradiol, Norethindrone

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 Ethinyl Estradiol, Norethindrone and Octopamine 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.

Octopamine safety at a glance

Octopamine overall Use caution It has stimulant-like effects and limited safety data, so use carefully and only after talking to a health professional.
Pregnancy Avoid Not enough safety information; avoid during pregnancy.
Breastfeeding Avoid Not enough safety information; avoid while breastfeeding.

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

Still wondering about combining Ethinyl Estradiol, Norethindrone and Octopamine? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Ethinyl Estradiol, Norethindrone

Interactions in our licensed database are recorded against drug classes, not just single drug names. Ethinyl Estradiol, Norethindrone is filed under 13 classifications — including progestin, contraceptive drugs, estrogens. Octopamine has documented interactions with 3 drug classes — the most serious being antihypertensive drugs (moderate), monoamine oxidase inhibitors (maois) (moderate) and stimulant drugs (minor) — and none of Ethinyl Estradiol, Norethindrone’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

Octopamine Does Interact With Other Medications

Octopamine has 181 moderate, 171 minor known drug interactions in our database — Ethinyl Estradiol, Norethindrone isn’t one of them. If you take anything else, check it against the full list below.

Moderate 181 Minor 171 No known interaction 2,478 (incl. Ethinyl Estradiol, Norethindrone)
Taking anything else?

Check Another of Your Medications Against Octopamine

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

What to actually watch for

No Interaction Found — But Data Suggests Octopamine and Ethinyl Estradiol, Norethindrone May Share a Side Effect

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.

  • A heart attack Worth acting on Additional detail

    Octopamine

    “Octopamine is chemically similar to synephrine, a stimulant that might cause severe adverse effects in some patients. Due to theoretical concerns for stimulant-related adverse effects, Health Canada has set the maximum daily dose of octopamine at 50 mg. However, clinical evidence on the safety of octopamine at any dose is lacking.”

    Octopamine · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    2 sources cited
    1. 91684. Health Canada. Synephrine, Octopamine and Caffeine Health Risk Assessment (HRA) Report. Approved May 16, 2011. Accessed November 6, 2019. Available at: http://www.nutratechinc.com/advz/Studies2011/Safety/S1%20Health%20Canada%200511.pdf.
    2. 100091. Smedema JP, Müller GJ. Coronary spasm and thrombosis in a bodybuilder using a nutritional supplement containing synephrine, octopamine, tyramine and caffeine. S Afr Med J. 2008;98(5):372-3.

    “Octopamine is commonly used as a stimulant. Due to its chemical similarities to synephrine, a stimulant with the potential to cause severe cardiovascular effects, Health Canada has set the maximum daily dose of octopamine at 50 mg.”

    Octopamine · Natural Medicines adverse-effect record, reported in angina.

    2 sources cited
    1. 91684. Health Canada. Synephrine, Octopamine and Caffeine Health Risk Assessment (HRA) Report. Approved May 16, 2011. Accessed November 6, 2019. Available at: http://www.nutratechinc.com/advz/Studies2011/Safety/S1%20Health%20Canada%200511.pdf.
    2. 100091. Smedema JP, Müller GJ. Coronary spasm and thrombosis in a bodybuilder using a nutritional supplement containing synephrine, octopamine, tyramine and caffeine. S Afr Med J. 2008;98(5):372-3.

    Ethinyl Estradiol, Norethindrone

    Listed in the ADVERSE REACTIONS section of the FDA label for Ethinyl Estradiol, Norethindrone. Read the label on DailyMed ›

Reported for Octopamine but not commonly for Ethinyl Estradiol, Norethindrone: dehydration and chest pain.

Effects for Ethinyl Estradiol, Norethindrone come from the ADVERSE REACTIONS section of its FDA label; effects for Octopamine 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.

How to take them

Some Ethinyl Estradiol, Norethindrone Products Have a Food Rule — Octopamine Should Not Break It

At least one FDA label for a product containing Ethinyl Estradiol, Norethindrone says to take it with food. If you take Octopamine on an empty stomach out of habit, keep them separate — and take Ethinyl Estradiol, Norethindrone with a meal where the label says to.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Ethinyl Estradiol, Norethindrone products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

Tablets should be taken regularly with a meal or at bedtime.

From the Dosage and Administration section of the FDA label we read for Ethinyl Estradiol, Norethindrone — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

Everything else you take

See Every Supplement That Interacts With Ethinyl Estradiol, Norethindrone

This page covers Octopamine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ethinyl Estradiol, Norethindrone page lists 240 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Grapefruit (major), Siberian Cocklebur (major) and St. John's Wort (major).

By severity: 6 major · 196 moderate · 38 minor.

From our pharmacist’s overview on the Ethinyl Estradiol, Norethindrone page

“If you take a birth control pill or hormone therapy containing ethinyl estradiol and norethindrone (Loestrin, Femhrt, and others), a few supplements can genuinely undermine it, so read this page with care. Six of the 240 ingredients on file are rated major, and those six come first.”

Reviewed by 2 · Jul 18, 2026

Open the Ethinyl Estradiol, Norethindrone interaction page

One more smart check

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

We hold 118 real supplement products containing Octopamine, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Octopamine. Even though Octopamine itself has no known interaction with Ethinyl Estradiol, Norethindrone, 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 Octopamine and Ethinyl Estradiol, Norethindrone 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 Octopamine
Steady interest

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

29 days ago today
Medication Ethinyl Estradiol, Norethindrone
Top 10%

#243 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 Octopamine reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Octopamine and Ethinyl Estradiol, Norethindrone records this page draws on were last updated July 10, 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 Octopamine

What is Octopamine?

  • Weight loss and fat burning
  • Boosting energy
  • Athletic performance
  • Appetite suppression

Octopamine is a stimulant-like compound found in small amounts in some plants (such as bitter orange) and made naturally in the body. It is marketed mostly in weight-loss and sports supplements, but human evidence that it actually helps with fat loss or performance is very limited. Because it can affect the heart and blood pressure and is banned in some sports, talk to a pharmacist or doctor before using it.

Octopamine is a naturally occurring compound; supplement forms are usually synthetic or derived from bitter orange (Citrus aurantium) peel · Capsules, tablets, powders (often in fat-burner and pre-workout blends)

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

Octopamine: dosing

There is no well-established, standardized dose for octopamine as a supplement. It usually appears in combination products, and amounts vary widely from one brand to another.If you choose to use a product containing octopamine, follow the directions on the label and do not exceed them.

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

Read the full Octopamine monograph & all interactions
Keep checking

Other Drugs & Octopamine

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

0Major
181Moderate
171Minor
2,477No known interaction
181 Moderate 171 Minor 2,477 No interaction
Moderate

181 interactions

Showing 60 of 181 moderate interactions — see all 181 on the Octopamine page.

Minor

171 interactions

Showing 60 of 171 minor interactions — see all 171 on the Octopamine page.

No interaction 2,477 drugs checked — show the list

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

Showing the 60 most looked-up of 2,477 medications checked with no known interaction — see the full Octopamine list.

See the full Octopamine interactions page
See every supplement checked against Ethinyl Estradiol, Norethindrone, ranked by severity
Evidence & sources

Octopamine References

The 6 references that drive our Octopamine 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. Visentin V, Morin N, Fontana E, et al. Dual action of octopamine on glucose transport into adipocytes: inhibition via beta3-adrenoceptor activation and stimulation via oxidation by amine oxidases. J Pharmacol Exp Ther 2001;299:96-104.
  2. Health Canada. Synephrine, Octopamine and Caffeine Health Risk Assessment (HRA) Report. Approved May 16, 2011. Accessed November 6, 2019. Available at: http://www.nutratechinc.com/advz/Studies2011/Safety/S1%20Health%20Canada%200511.pdf.
  3. Pawar RS, Grundel E. Overview of regulation of dietary supplements in the USA and issues of adulteration with phenethylamines (PEAs). Drug Test Anal 2017;9:500-517. PubMed
  4. Beaumont RE, Cordery P, James LJ, Watson P. Supplementation with a low-dose of octopamine does not influence endurance cycling performance in recreationally active men. J Sci Med Sport. 2017;20(10):952-956. PubMed
  5. Smedema JP, Müller GJ. Coronary spasm and thrombosis in a bodybuilder using a nutritional supplement containing synephrine, octopamine, tyramine and caffeine. S Afr Med J. 2008;98(5):372-3.
  6. Fontana E, Morin N, Prévot D, Carpéné C. Effects of octopamine on lipolysis, glucose transport and amine oxidation in mammalian fat cells. Comp Biochem Physiol C Toxicol Pharmacol. 2000;125(1):33-44. PubMed

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 Octopamine and Ethinyl Estradiol, Norethindrone Together: Common Questions

Is it safe to take Octopamine with Ethinyl Estradiol, Norethindrone?
We do not list a known interaction between Octopamine and Ethinyl Estradiol, Norethindrone. 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 Octopamine and Ethinyl Estradiol, Norethindrone have any of the same side effects?
Yes — our sources link each of them separately to one 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.
Should I take Octopamine and Ethinyl Estradiol, Norethindrone at the same time of day?
At least one FDA label for a product containing Ethinyl Estradiol, Norethindrone says to take it with food. If you take Octopamine on an empty stomach out of habit, keep them separate and take Ethinyl Estradiol, Norethindrone with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Ethinyl Estradiol, Norethindrone products can differ — so check the directions on your own box. This is about absorption, not an interaction.
How was the Octopamine and Ethinyl Estradiol, Norethindrone combination checked?
Interactions in our licensed database are recorded against drug classes. Ethinyl Estradiol, Norethindrone is filed under 13 classifications, and Octopamine has documented interactions with 3 drug classes — none of Ethinyl Estradiol, Norethindrone'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 Octopamine interact with any other medications?
Yes. Octopamine has 352 documented drug interactions in our database — Ethinyl Estradiol, Norethindrone 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 Ethinyl Estradiol, Norethindrone interact with any supplements?
Yes. Ethinyl Estradiol, Norethindrone has documented interactions with 240 supplements in our database — Octopamine is not one of them. The Ethinyl Estradiol, Norethindrone 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

Octopamine monograph Uses, safety profile, and every drug interaction in one place Ethinyl Estradiol, Norethindrone supplement interactions Every supplement checked against Ethinyl Estradiol, Norethindrone, 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 6 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Ethinyl Estradiol, Norethindrone and Octopamine?

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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.