Sarsaparilla + Posaconazole
Posaconazole brand name: Noxafil.
We found no known interaction between Sarsaparilla and Posaconazole 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.
Sarsaparilla and Posaconazole
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 Posaconazole and Sarsaparilla 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.
Sarsaparilla safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Why No Interaction Is Listed for Posaconazole
Interactions in our licensed database are recorded against drug classes, not just single drug names. Posaconazole is filed under a single classification — oral drugs. Sarsaparilla has documented interactions with 2 drug classes — the most serious being digoxin (lanoxin) (moderate) and lithium (moderate) — and none of Posaconazole’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.
Sarsaparilla Does Interact With Other Medications
Sarsaparilla has 2 moderate known drug interactions in our database — Posaconazole isn’t one of them. If you take anything else, check it against the full list below.
Check Another of Your Medications Against Sarsaparilla
We haven’t checked that one against Sarsaparilla yet — ask our pharmacists directly.
Covers the 2,830 medications we’ve checked against Sarsaparilla. Pick one to open its full report.
Questions About Sarsaparilla or Posaconazole
These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Sarsaparilla or Posaconazole, 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.
See Every Supplement That Interacts With Posaconazole
This page covers Sarsaparilla only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Posaconazole 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 Posaconazole page
“All 17 supplements on this posaconazole (Noxafil) list interact the same basic way: they can change how much of the antifungal actually reaches your blood. Posaconazole prevents and treats dangerous fungal infections, often in people with weakened immune systems, so this is a list to take genuine care with.”
Reviewed by 2 · Jul 18, 2026
Taking Sarsaparilla as Part of a Dietary Supplement Product? Check It for Interactions
We hold 171 real supplement products containing Sarsaparilla, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Sarsaparilla. Even though Sarsaparilla itself has no known interaction with Posaconazole, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:
Where Sarsaparilla and Posaconazole 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.
#249 of 1,452 supplements looked up here in the last 7 days
#1,296 of 2,830 medications looked up here in the last 7 days
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 Sarsaparilla reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Sarsaparilla and Posaconazole 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.
About Sarsaparilla
What is Sarsaparilla?
- Skin conditions like psoriasis
- Joint pain and arthritis
- General tonic or 'blood purifier'
- Boosting athletic performance
- Flavoring in beverages
Sarsaparilla is a traditional root used in teas, tonics, and old-fashioned root beer flavoring. Modern evidence for its health claims is very limited and comes mostly from lab studies, so it should not replace proven treatments. It is generally considered low-risk for short-term use, but pregnant and breastfeeding people should avoid it due to a lack of safety data.
Smilax spp. · Smilacaceae · Dried root and rhizome · Capsules, tablets, dried root, tea, liquid extract, tincture
An interaction check asks whether these two react with each other — it does not ask whether Sarsaparilla is a good idea for someone in your situation. Here is what our Sarsaparilla record says about it on its own.
Sarsaparilla: dosing
There is no well-established standard dose for sarsaparilla. Products vary widely in strength and how they are prepared, so the amount in one capsule or tea may be very different from another.The safest approach is to follow the directions on the product label and not exceed the recommended amount.
From our Sarsaparilla monograph — the full record covers uses, side effects and every documented interaction.
About Posaconazole
What Is Posaconazole Used For?
Brand name: Noxafil
Posaconazole is used to treat invasive aspergillosis (a serious mold infection that can spread through the body) in adults and certain pediatric patients, depending on the formulation and weight. It is also used to treat oropharyngeal candidiasis (OPC) — a yeast infection of the mouth and throat, including cases that have not responded to itraconazole and/or fluconazole — and this use is specific to the oral suspension in patients aged 13 and older.
Posaconazole is also used for prophylaxis (prevention) of invasive Aspergillus and Candida infections in people at high risk because their immune systems are severely compromised — such as stem cell transplant recipients with graft-versus-host disease (GVHD) or people with blood cancers who have low white blood cell counts from chemotherapy. The specific formulation approved for prevention varies by age and weight.
Other Drugs & Sarsaparilla
Browse every other medication we’ve checked against Sarsaparilla — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
2 interactions
No interaction 2,827 drugs checked — show the list
We also checked Sarsaparilla against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Ivermectin ›
- Losartan Potassium ›
- Aspirin ›
- Abemaciclib ›
- Acetaminophen ›
- Metoprolol ›
- Rosuvastatin ›
- Rivaroxaban ›
- Escitalopram ›
- Clopidogrel ›
- Atorvastatin ›
- Docusate ›
- Tadalafil ›
- Tirzepatide ›
- Methamphetamine ›
- Ibuprofen ›
- Warfarin Sodium ›
- Valacyclovir ›
- Hydroxyurea ›
- Sumatriptan ›
- Semaglutide ›
- Prednisone ›
- Propranolol ›
- Lisdexamfetamine ›
- Amitriptyline ›
- Metformin ›
- Amoxicillin ›
- Lisinopril ›
- Isotretinoin ›
- Amlodipine Besylate ›
- Methotrexate ›
- Bendamustine ›
- Bupropion ›
- Amphetamine ›
- Doxycycline ›
- Fluoxetine ›
- Azithromycin ›
- Acyclovir ›
- Pregabalin ›
- Lamotrigine ›
- Dextroamphetamine ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Levothyroxine, Liothyronine ›
- Clonazepam ›
- Quetiapine ›
- Naproxen ›
- Omeprazole ›
- Letrozole ›
- Duloxetine ›
- Methylene Blue ›
- Buspirone ›
- Citalopram ›
Showing the 60 most looked-up of 2,827 medications checked with no known interaction — see the full Sarsaparilla list.
Sarsaparilla References
The 3 references that drive our Sarsaparilla 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.
- Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
- Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
- Vandenplas O, Depelchin S, Toussaint G, et al. Occupational asthma caused by sarsaparilla root dust. J Allergy Clin Immunol 1996;97:1416-8. 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.
Taking Sarsaparilla and Posaconazole Together: Common Questions
Is it safe to take Sarsaparilla with Posaconazole?
How was the Sarsaparilla and Posaconazole combination checked?
Does Sarsaparilla interact with any other medications?
Does Posaconazole interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Still Have a Question About Posaconazole and Sarsaparilla?
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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.