Drug & supplement interaction

Dwarf Pine Needle + Ursodiol

Ursodiol brand name: Actigall.

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 Dwarf Pine Needle and Ursodiol 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

Dwarf Pine Needle and Ursodiol

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 Ursodiol and Dwarf Pine Needle 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 Dwarf Pine Needle at all — not against Ursodiol, 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.

Dwarf Pine Needle safety at a glance

Dwarf Pine Needle overall Use caution Generally used externally or as an inhalant; the essential oil is toxic if swallowed and can irritate skin.
Pregnancy Avoid Not enough safety information; avoid the essential oil during pregnancy unless your doctor approves.
Breastfeeding Avoid Safety while breastfeeding is not established, so it is best avoided.

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

Still wondering about combining Ursodiol and Dwarf Pine Needle? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Dwarf Pine Needle Itself Has Been Linked To

This is not an interaction — nothing below involves Ursodiol. It is the side-effect record for Dwarf Pine Needle on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Dwarf Pine Needle, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • An allergic reaction Worth acting on Additional detail

    “Topically, dwarf pine needle oil can cause skin irritation and allergic reactions (11).”

    Dwarf Pine Needle · Natural Medicines adverse-effect record, reported in skin irritation.

    1 source cited
    1. 11. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.

    “Dwarf pine needle oil can cause skin irritation and allergic reactions (11).”

    Dwarf Pine Needle · Natural Medicines adverse-effect record, reported in skin irritation.

    1 source cited
    1. 11. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.

Everything above comes from the Natural Medicines adverse-effect record for Dwarf Pine Needle — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Ursodiol’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Ursodiol column appears here.

From our Q&A

Questions About Dwarf Pine Needle or Ursodiol

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Dwarf Pine Needle or Ursodiol, 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 Ursodiol

This page covers Dwarf Pine Needle only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ursodiol 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.

From our pharmacist’s overview on the Ursodiol page

“Ursodiol (Actigall) has to be absorbed to do its job, whether that job is dissolving gallstones or protecting a liver with primary biliary cholangitis, and all 17 supplements on this page can interfere with exactly that. I'd treat these pairings with genuine care.”

Reviewed by 2 · Jul 18, 2026

Open the Ursodiol interaction page

How much people look this up

Where Dwarf Pine Needle and Ursodiol 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 Dwarf Pine Needle
Steady interest

#1,051 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Ursodiol
Steady interest

#2,027 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 Dwarf Pine Needle reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Dwarf Pine Needle and Ursodiol 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 Dwarf Pine Needle

What is Dwarf Pine Needle?

  • Coughs and congestion
  • Muscle and joint aches (topical)
  • Inhalation for stuffy nose
  • Aromatherapy and relaxation
  • Mild antimicrobial use

Dwarf pine needle is the leaf and essential oil of the mountain pine (Pinus mugo), used mainly in inhalants, chest rubs, and bath products for coughs, congestion, and sore muscles. Solid human evidence is limited, and the essential oil should never be swallowed. Use it diluted and externally only, and check with a pharmacist or doctor first—especially if you are pregnant, breastfeeding, or have asthma.

Pinus mugo · Pinaceae · Needles (leaves) and essential oil distilled from them · Essential oil, inhalants and chest rubs, bath products, steam inhalations

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

Dwarf Pine Needle: dosing

There is no established standardized dose for dwarf pine needle. It is usually used in small amounts within finished products like chest rubs, inhalants, and bath preparations.Follow the directions on the product label exactly. If you use the pure essential oil, dilute it well in a carrier oil before applying it to the skin, and never take it by mouth.

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

Read the full Dwarf Pine Needle monograph & all interactions
Medication

About Ursodiol

What Is Ursodiol Used For?

Brand name: Actigall

Ursodiol capsules (including Reltone, Ursolign, and generic ursodiol capsules) are used to dissolve certain types of gallstones — specifically small, non-calcified cholesterol stones — in people who cannot have or prefer not to have gallbladder surgery. Capsules are also used to prevent gallstones from forming in people who are losing weight rapidly.

Ursodiol tablets — including Urso 250, Urso Forte, and generic ursodiol tablets — are indicated for the treatment of primary biliary cholangitis (PBC), a chronic liver disease that damages the bile ducts inside the liver.

Most-Reported Side Effects for Ursodiol

From FAERS, the FDA’s public side-effect reporting system (21,651 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Pruritus 1,299 reports
Diarrhea 1,223 reports
Fatigue 1,093 reports
Nausea 1,062 reports
Fever 990 reports
See full Ursodiol drug information
Keep checking

Other Drugs & Dwarf Pine Needle

Browse every other medication we’ve checked against Dwarf Pine Needle — 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 Dwarf Pine Needle 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 Dwarf Pine Needle list.

See the full Dwarf Pine Needle interactions page
See every supplement checked against Ursodiol, ranked by severity
Evidence & sources

Dwarf Pine Needle References

The 1 references that drive our Dwarf Pine Needle 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. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.

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 Dwarf Pine Needle and Ursodiol Together: Common Questions

Is it safe to take Dwarf Pine Needle with Ursodiol?
We do not list a known interaction between Dwarf Pine Needle and Ursodiol. 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.
Does Ursodiol interact with any supplements?
Yes. Ursodiol has documented interactions with 17 supplements in our database — Dwarf Pine Needle is not one of them. The Ursodiol 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

Dwarf Pine Needle monograph Uses, safety profile, and every drug interaction in one place Ursodiol drug information The full plain-English guide to this medication Ursodiol supplement interactions Every supplement checked against Ursodiol, 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 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Ursodiol and Dwarf Pine Needle?

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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.