Drug & supplement interaction

Red Sandalwood + Levodopa

Levodopa brand names: Larodopa, Inbrija.

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

We found no known interaction between Red Sandalwood and Levodopa 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

Red Sandalwood and Levodopa

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 Levodopa and Red Sandalwood 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.

Red Sandalwood safety at a glance

Red Sandalwood overall Use caution Limited human safety data exists, so use carefully and prefer external uses unless guided by a professional.
Pregnancy Avoid Safety during pregnancy is not established, so it is best avoided.
Breastfeeding Avoid Safety while breastfeeding is unknown, 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 Levodopa and Red Sandalwood? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Levodopa

Interactions in our licensed database are recorded against drug classes, not just single drug names. Levodopa is filed under 5 classifications — including dopamine agonists, seizure threshold lowering drugs, oral drugs. Red Sandalwood has documented interactions with 2 drug classes — the most serious being antidiabetes drugs (moderate) and lithium (moderate) — and none of Levodopa’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

Red Sandalwood Does Interact With Other Medications

Red Sandalwood has 87 moderate known drug interactions in our database — Levodopa isn’t one of them. If you take anything else, check it against the full list below.

Moderate 87 No known interaction 2,743 (incl. Levodopa)
Taking anything else?

Check Another of Your Medications Against Red Sandalwood

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

What to actually watch for

What Levodopa’s Own FDA Label Lists

This is not an interaction — none of it involves Red Sandalwood. These are the most notable effects listed in the ADVERSE REACTIONS section of Levodopa’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. 7 of them are worth acting on rather than waiting out — marked below.

  • Hallucinations Worth acting on
  • Yellowing of the skin or eyes Worth acting on
  • Wheezing Worth acting on
  • Confusion Worth acting on
  • Chest pain Worth acting on
  • Anemia Worth acting on
  • A higher chance of infection Worth acting on
  • Pain in an arm or leg
  • Sore throat
  • Cough

Showing the 10 most notable of 16 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 Levodopa. Read the label on DailyMed › Red Sandalwood’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Red Sandalwood side to compare — that is a limit of the record, not a statement that Red Sandalwood has no side effects.

Everything else you take

See Every Supplement That Interacts With Levodopa

This page covers Red Sandalwood only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Levodopa page lists 41 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Branched-chain Amino Acids (bcaa) (major), Cowhage (major), Indian Snakeroot (major) and Magnesium (major).

By severity: 8 major · 22 moderate · 11 minor.

From our pharmacist’s overview on the Levodopa page

“Parkinson symptoms return fast when levodopa (Larodopa, Inbrija) stops reaching the brain, and most of the 41 supplements on this page can make that happen, so treat these combinations with genuine care. Protein and amino acid supplements compete with levodopa for transport into the brain, while everyday minerals like magnesium and iro…”

Reviewed by 2 · Jul 18, 2026

Open the Levodopa interaction page

One more smart check

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

We hold 7 real supplement products containing Red Sandalwood, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Red Sandalwood. Even though Red Sandalwood itself has no known interaction with Levodopa, 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 Red Sandalwood and Levodopa 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 Red Sandalwood
Top half

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

29 days ago today
Medication Levodopa
Top 25%

#358 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 Red Sandalwood reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Red Sandalwood and Levodopa 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 Red Sandalwood

What is Red Sandalwood?

  • Skin care and complexion
  • Acne and skin blemishes
  • Inflammation and minor wounds
  • Digestive complaints (traditional use)
  • Coloring and flavoring agent

Red Sandalwood (Pterocarpus santalinus) is a hardwood used in traditional medicine and in skin and cosmetic preparations, valued for its red pigment and astringent properties. Solid human evidence for its health benefits is very limited, and most claims come from traditional use or laboratory studies. If you want to try it, talk with your pharmacist or doctor first, especially before taking it internally.

Pterocarpus santalinus · Fabaceae · Heartwood (and wood powder/extract) · Wood powder, paste, decoctions, extracts, and as an ingredient in skin and cosmetic preparations

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

Red Sandalwood: dosing

There is no well-established standard dose for Red Sandalwood. Traditional preparations vary widely, and modern clinical dosing has not been defined.If you use a commercial product, follow the directions on the label and do not exceed the recommended amount.

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

Read the full Red Sandalwood monograph & all interactions
Medication

About Levodopa Oral Inhalation

What Is Levodopa Oral Inhalation Used For?

Brand names: Larodopa, Inbrija

Inbrija is used to treat OFF episodes in adults with Parkinson's disease. An OFF episode is when your regular oral carbidopa/levodopa medication temporarily stops working well enough, causing Parkinson's symptoms — such as stiffness, slowness, or tremor — to return.

Inbrija is used as needed when OFF symptoms start to come back. It is not a replacement for your regular oral carbidopa/levodopa; it works alongside it.

Most-Reported Side Effects for Levodopa

From FAERS, the FDA’s public side-effect reporting system (0 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fall 5,276 reports
Hallucination 4,813 reports
Tremor 3,805 reports
Dyskinesia 3,626 reports
Parkinson^s disease 3,449 reports
See full Levodopa Oral Inhalation drug information
Keep checking

Other Drugs & Red Sandalwood

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

0Major
87Moderate
0Minor
2,742No known interaction
87 Moderate 2,742 No interaction
Moderate

87 interactions

Showing 60 of 87 moderate interactions — see all 87 on the Red Sandalwood page.

No interaction 2,742 drugs checked — show the list

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

Showing the 60 most looked-up of 2,742 medications checked with no known interaction — see the full Red Sandalwood list.

See the full Red Sandalwood interactions page
See every supplement checked against Levodopa, ranked by severity
Evidence & sources

Red Sandalwood References

The 1 references that drive our Red Sandalwood 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. El-Badawy RE, Ibrahim KA, Hassan NS, El-Sayed WM. Pterocarpus santalinus ameliorates streptozotocin-induced diabetes mellitus via anti-inflammatory pathways and enhancement of insulin function. Iran J Basic Med Sci 2019;22(8):932-939.

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 Red Sandalwood and Levodopa Together: Common Questions

Is it safe to take Red Sandalwood with Levodopa?
We do not list a known interaction between Red Sandalwood and Levodopa. 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 Red Sandalwood and Levodopa combination checked?
Interactions in our licensed database are recorded against drug classes. Levodopa is filed under 5 classifications, and Red Sandalwood has documented interactions with 2 drug classes — none of Levodopa'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 Red Sandalwood interact with any other medications?
Yes. Red Sandalwood has 87 documented drug interactions in our database — Levodopa 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 Levodopa interact with any supplements?
Yes. Levodopa has documented interactions with 41 supplements in our database — Red Sandalwood is not one of them. The Levodopa 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

Red Sandalwood monograph Uses, safety profile, and every drug interaction in one place Levodopa Oral Inhalation drug information The full plain-English guide to this medication Levodopa supplement interactions Every supplement checked against Levodopa, 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 Levodopa and Red Sandalwood?

Our pharmacists answer your medication & supplement questions — free.

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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.