Drug & supplement interaction

Goa Powder + Plecanatide

Plecanatide brand name: Trulance.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Goa Powder and Plecanatide 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.

Know someone taking this? Share
Interaction report

Goa Powder and Plecanatide

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 Plecanatide and Goa Powder 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 Goa Powder at all — not against Plecanatide, 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.

Goa Powder safety at a glance

Goa Powder overall Use caution It is a strong skin irritant meant only for external use and can be toxic if swallowed.
Pregnancy Avoid Safety has not been established, so avoid use during pregnancy.
Breastfeeding Avoid Safety has not been established, so avoid use while breastfeeding.

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

Still wondering about combining Plecanatide and Goa Powder? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Goa Powder and Plecanatide 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.

  • Diarrhea / Vomiting Additional detail

    Goa Powder

    “Goa powder can cause vomiting and diarrhea when taken orally or absorbed through the skin (18).”

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

    1 source cited
    1. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

    Plecanatide

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

Reported for Goa Powder but not commonly for Plecanatide: swelling.

Effects for Plecanatide come from the ADVERSE REACTIONS section of its FDA label; effects for Goa Powder 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.

Everything else you take

See Every Supplement That Interacts With Plecanatide

This page covers Goa Powder only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Plecanatide page lists 17 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 7 moderate · 9 minor.

Open the Plecanatide interaction page

How much people look this up

Where Goa Powder and Plecanatide 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 Goa Powder
Steady interest

#1,243 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Plecanatide
Steady interest

#2,314 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 Goa Powder reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Goa Powder and Plecanatide 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 Goa Powder

What is Goa Powder?

  • Psoriasis (topical)
  • Ringworm and other fungal skin infections
  • Scaly skin conditions
  • Eczema-like rashes

Goa powder (also called araroba) is a natural source of chrysarobin, a substance historically used on the skin for psoriasis and fungal infections. It is a harsh, irritating chemical that is mostly of historical interest today, and it should never be swallowed. If you are considering anything containing chrysarobin or anthralin, talk with a doctor or pharmacist first.

Andira araroba · Fabaceae · A yellow powder (chrysarobin) extracted from the wood and trunk cavities of the araroba tree · Topical ointments, pastes, and creams; historically a raw powder

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

Goa Powder: dosing

There is no established or standardized dose for Goa powder as a supplement. Historically it was mixed into ointments at concentrations chosen by a pharmacist or physician, and even then it had to be used carefully because of irritation and staining.If you encounter a product that contains chrysarobin or the related medicine anthralin, follow the product label exactly and do not apply more than directed. Because this is a potent and irritating substance, it is best to use it only under the guidance of a doctor or pharmacist.

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

Read the full Goa Powder monograph & all interactions
Medication

About Plecanatide

What Is Plecanatide Used For?

Brand name: Trulance

Trulance (plecanatide) is approved for adults to treat two conditions: chronic idiopathic constipation (CIC) — ongoing constipation with no clear underlying cause — and irritable bowel syndrome with constipation (IBS-C), which combines bowel discomfort with infrequent or difficult stools.

Trulance is not approved for use in anyone under 18 years of age, and it is strictly contraindicated in children under 6.

Most-Reported Side Effects for Plecanatide

From FAERS, the FDA’s public side-effect reporting system (1,995 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Diarrhea 393 reports
Nausea 176 reports
Constipation 168 reports
Abdominal distension 117 reports
Fatigue 117 reports
See full Plecanatide drug information
Keep checking

Other Drugs & Goa Powder

Browse every other medication we’ve checked against Goa Powder — 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
No interaction 2,829 drugs checked — show the list
Evidence & sources

Goa Powder References

The 1 references that drive our Goa Powder 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. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

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 Goa Powder and Plecanatide Together: Common Questions

Is it safe to take Goa Powder with Plecanatide?
We do not list a known interaction between Goa Powder and Plecanatide. 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 Goa Powder and Plecanatide have any of the same side effects?
Yes — our sources link each of them separately to 2 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.
Does Plecanatide interact with any supplements?
Yes. Plecanatide has documented interactions with 17 supplements in our database — Goa Powder is not one of them. The Plecanatide 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 Plecanatide and Goa Powder?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.