Drug & supplement interaction

Myrcia + Chloroprocaine

Chloroprocaine brand names: Nesacaine, Nescaine-MPF.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Myrcia and Chloroprocaine 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

Myrcia and Chloroprocaine

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 Chloroprocaine and Myrcia 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.

Myrcia safety at a glance

Myrcia overall Not established Human safety data are very limited, so caution is advised.
Pregnancy Avoid There is not enough safety information, so avoid use during pregnancy.
Breastfeeding Avoid Safety while breastfeeding is unknown, so it is best avoided.

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

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

Why No Interaction Is Listed for Chloroprocaine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Chloroprocaine is filed under a single classification — anesthesia. Myrcia has documented interactions with 1 drug class — the most serious being levothyroxine (synthroid, others) (moderate) — and none of Chloroprocaine’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

Myrcia Does Interact With Other Medications

Myrcia has 3 moderate known drug interactions in our database — Chloroprocaine 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 Myrcia

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

What to actually watch for

What Chloroprocaine’s Own FDA Label Lists

This is not an interaction — none of it involves Myrcia. These are the most notable effects listed in the ADVERSE REACTIONS section of Chloroprocaine’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. 5 of them are worth acting on rather than waiting out — marked below.

  • A slow heartbeat Worth acting on
  • Fainting Worth acting on
  • Seizures Worth acting on
  • Low mood Worth acting on
  • Hives Worth acting on
  • Ringing in the ears
  • Blurred vision
  • Sweating
  • Back pain
  • A fast or pounding heartbeat

Showing the 10 most notable of 19 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 Chloroprocaine. Read the label on DailyMed › Myrcia’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Myrcia side to compare — that is a limit of the record, not a statement that Myrcia has no side effects.

Everything else you take

See Every Supplement That Interacts With Chloroprocaine

This page covers Myrcia only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Chloroprocaine page lists 5 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Fever Bark (major), Cannabis (moderate), Cowhage (moderate), Datura Wrightii (moderate) and Delta-9-tetrahydrocannabinol (thc) (moderate).

By severity: 1 major · 4 moderate.

From our pharmacist’s overview on the Chloroprocaine page

“Fever bark is the ingredient I would flag first for anyone scheduled to receive chloroprocaine (Nesacaine), a local anesthetic injected for epidurals and other numbing procedures. It holds the list's lone major rating because its constituent reserpine has been linked to unstable blood pressure and heart rhythm under anesthesia.”

Reviewed by 2 · Jul 18, 2026

Open the Chloroprocaine interaction page

How much people look this up

Where Myrcia and Chloroprocaine 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 Myrcia
Steady interest

#1,112 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Chloroprocaine
Steady interest

#1,595 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 Myrcia reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Myrcia and Chloroprocaine records this page draws on were last updated June 22, 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 Myrcia

What is Myrcia?

  • Blood sugar support
  • Digestive upset and diarrhea
  • Mild urinary complaints
  • Astringent for the gut
  • Traditional 'pedra-hume-caa' folk remedy

Myrcia is a group of tropical shrubs and trees in the myrtle family, used in South American folk medicine—often as a tea—mainly for blood sugar and digestive complaints. Human evidence is very limited, so it should not replace proven treatments. Talk with your pharmacist or doctor before using it, especially if you have diabetes or take other medicines.

Myrtaceae · Leaves (and sometimes bark) · Tea, dried leaf, capsules, liquid extracts

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

Myrcia: dosing

There is no established standardized dose for Myrcia. Traditional use is usually as a tea made from the dried leaves, but amounts vary widely and are not backed by clinical research.If you choose to try a commercial product, follow the directions on the label and do not exceed them.

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

Read the full Myrcia monograph & all interactions
Medication

About Chloroprocaine

What Is Chloroprocaine Used For?

Brand names: Nesacaine, Nescaine-MPF

Chloroprocaine injection is used to produce local anesthesia — numbing — for a range of medical and surgical procedures. The specific uses depend on the product and concentration.

Nesacaine 1% and 2% (multidose vials with preservative) are approved for infiltration (numbing tissue directly) and peripheral nerve block only — not for epidural use. Nesacaine-MPF 2% and 3% (preservative-free, single-dose vials) are approved for infiltration, peripheral nerve block, and central nerve block, including lumbar and caudal epidural anesthesia. Chloroprocaine hydrochloride injection 2% and 3% (single-dose, preservative-free vials) are similarly approved for infiltration, peripheral and central nerve block, including lumbar and caudal epidural blocks. Iheezo, the ophthalmic gel, is used to numb the surface of the eye before procedures on or near the eye.

See full Chloroprocaine drug information
Keep checking

Other Drugs & Myrcia

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

0Major
3Moderate
0Minor
2,826No known interaction
Moderate

3 interactions

No interaction 2,826 drugs checked — show the list
Evidence & sources

Myrcia References

The 2 references that drive our Myrcia 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. Russo EM, Reichelt AA, De Sa JR, et al. Clinical trial of Myrcia uniflora and Bauhinia forficata leaf extracts in normal and diabetic patients. Braz J Med Biol Res 1990;23(1):11-20.
  2. Ferreira AC, Neto JC, da Silva AC, et al. Inhibition of thyroid peroxidase by Myrcia uniflora flavonoids. Chem Res Toxicol 2006;19(3):351-55.

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 Myrcia and Chloroprocaine Together: Common Questions

Is it safe to take Myrcia with Chloroprocaine?
We do not list a known interaction between Myrcia and Chloroprocaine. 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.
How was the Myrcia and Chloroprocaine combination checked?
Interactions in our licensed database are recorded against drug classes. Chloroprocaine is filed under 1 classification, and Myrcia has documented interactions with 1 drug class — none of Chloroprocaine'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 Myrcia interact with any other medications?
Yes. Myrcia has 3 documented drug interactions in our database — Chloroprocaine 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 Chloroprocaine interact with any supplements?
Yes. Chloroprocaine has documented interactions with 5 supplements in our database — Myrcia is not one of them. The Chloroprocaine 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 Chloroprocaine and Myrcia?

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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.