Drug & supplement interaction

Stereospermum + Darunavir, Cobicistat

Darunavir, Cobicistat brand name: Prezcobix.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Stereospermum and Darunavir, Cobicistat 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 label for Darunavir, Cobicistat states a food rule worth keeping to.

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Interaction report

Stereospermum and Darunavir, Cobicistat

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 Darunavir, Cobicistat and Stereospermum 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.

Stereospermum safety at a glance

Stereospermum overall Not established Human safety data are very limited, so its overall safety is not well established.
Pregnancy Avoid Not enough safety information exists, so it is best avoided during pregnancy.
Breastfeeding Avoid There is no reliable safety data for breastfeeding, so avoid use.

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

Still wondering about combining Darunavir, Cobicistat and Stereospermum? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Darunavir, Cobicistat

Interactions in our licensed database are recorded against drug classes, not just single drug names. Darunavir, Cobicistat is filed under 7 classifications — including protease inhibitors (pis), cytochrome p450 1a2 (cyp1a2) inducers, cytochrome p450 2d6 (cyp2d6) inhibitors. Stereospermum has documented interactions with 1 drug class — the most serious being antidiabetes drugs (moderate) — and none of Darunavir, Cobicistat’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

Stereospermum Does Interact With Other Medications

Stereospermum has 86 moderate known drug interactions in our database — Darunavir, Cobicistat isn’t one of them. If you take anything else, check it against the full list below.

Moderate 86 No known interaction 2,744 (incl. Darunavir, Cobicistat)
Taking anything else?

Check Another of Your Medications Against Stereospermum

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

What to actually watch for

What Darunavir, Cobicistat’s Own FDA Label Lists

This is not an interaction — none of it involves Stereospermum. These are the most notable effects listed in the ADVERSE REACTIONS section of Darunavir, Cobicistat’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. 2 of them are worth acting on rather than waiting out — marked below.

  • Kidney problems Worth acting on
  • Liver problems Worth acting on
  • Stomach pain
  • Diarrhea
  • A skin rash
  • Vomiting
  • Headache
  • Nausea

From the ADVERSE REACTIONS section of the FDA label for Darunavir, Cobicistat. Read the label on DailyMed › Stereospermum’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Stereospermum side to compare — that is a limit of the record, not a statement that Stereospermum has no side effects.

How to take them

Some Darunavir, Cobicistat Products Have a Food Rule — Stereospermum Should Not Break It

At least one FDA label for a product containing Darunavir, Cobicistat says to take it with food. If you take Stereospermum on an empty stomach out of habit, keep them separate — and take Darunavir, Cobicistat with a meal where the label says to.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Darunavir, Cobicistat products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

2 DOSAGE AND ADMINISTRATION Recommended dosage: Adults and pediatric patients weighing at least 40 kg: One 800 mg/150 mg tablet taken once daily with food.

From the Dosage and Administration section of the FDA label we read for Darunavir, Cobicistat — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

Everything else you take

See Every Supplement That Interacts With Darunavir, Cobicistat

This page covers Stereospermum only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Darunavir, Cobicistat page lists 145 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Grapefruit (major), St. John's Wort (major), Acacia Rigidula (moderate) and Adrafinil (moderate).

By severity: 3 major · 102 moderate · 40 minor.

From our pharmacist’s overview on the Darunavir, Cobicistat page

“Prezcobix (darunavir with cobicistat) treats HIV, and it only works if it holds a steady blood level, so this list of 145 supplements deserves real care. Three carry a major rating and matter most: St.”

Reviewed by 2 · Jul 18, 2026

Open the Darunavir, Cobicistat interaction page

One more smart check

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

We hold 34 real supplement products containing Stereospermum, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Stereospermum. Even though Stereospermum itself has no known interaction with Darunavir, Cobicistat, 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 Stereospermum and Darunavir, Cobicistat 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 Stereospermum
Top half

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

29 days ago today
Medication Darunavir, Cobicistat
Top half

#1,397 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 Stereospermum reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Stereospermum and Darunavir, Cobicistat 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 Stereospermum

What is Stereospermum?

  • Fever
  • Inflammation and pain
  • Digestive complaints
  • Respiratory issues
  • General tonic in Ayurveda

Stereospermum is a tree used in traditional Ayurvedic medicine, most notably as one of the herbs in the classic 'Dashamula' (ten-root) formula. There is very little high-quality human research to confirm its benefits, so its uses remain largely traditional. If you are considering it, talk with a pharmacist or doctor first, especially if you are pregnant, breastfeeding, or taking other medicines.

Stereospermum suaveolens · Bignoniaceae · Root bark, stem bark, leaves, and flowers · Powder (churna), decoction, capsules, and as part of traditional Ayurvedic herbal blends

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

Stereospermum: dosing

There is no well-established standardized dose for Stereospermum. Traditional preparations vary, and it is often used as part of multi-herb formulas rather than alone.If you choose to use a product that contains it, follow the directions on the product label and do not exceed the recommended amount.

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

Read the full Stereospermum monograph & all interactions
Medication

About Darunavir and Cobicistat

What Is Darunavir and Cobicistat Used For?

Brand name: Prezcobix

Prezcobix and Prezcobix Ped are used to treat HIV-1 (human immunodeficiency virus type 1) infection. They are always used together with other antiretroviral (anti-HIV) medicines — never alone. Both products are approved for people who are new to HIV treatment (treatment-naïve) and for those who have taken HIV medicines before (treatment-experienced), as long as certain darunavir resistance mutations are not present.

Prezcobix tablets are approved for adults and pediatric patients weighing at least 40 kg. Prezcobix Ped tablets for oral suspension extend coverage to pediatric patients 3 years of age and older weighing at least 15 kg.

See full Darunavir and Cobicistat drug information
Keep checking

Other Drugs & Stereospermum

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

0Major
86Moderate
0Minor
2,743No known interaction
86 Moderate 2,743 No interaction
Moderate

86 interactions

Showing 60 of 86 moderate interactions — see all 86 on the Stereospermum page.

No interaction 2,743 drugs checked — show the list

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

Showing the 60 most looked-up of 2,743 medications checked with no known interaction — see the full Stereospermum list.

See the full Stereospermum interactions page
See every supplement checked against Darunavir, Cobicistat, ranked by severity
Evidence & sources

Stereospermum References

The 2 references that drive our Stereospermum 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. Balasubramanian T, Lal MS, Sarkar M, Chatterjee TK. Antihyperglycemic and antioxidant activities of medicinal plant Stereospermum suaveolens in streptozotocin-induced diabetic rats. J Diet Suppl 2009;6(3):227-51.
  2. Balsubramanian T, Senthilkumar GP, Karthikeyan M, Chatterjee TK. Protective effect of ethyl acetate fraction of Stereospermum suaveolens against hepatic oxidative stress in STZ diabetic rats. J Tradit Complement Med 2013;3(3):175-81. 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.

Pharmacist Counseling Corner

Taking Stereospermum and Darunavir, Cobicistat Together: Common Questions

Is it safe to take Stereospermum with Darunavir, Cobicistat?
We do not list a known interaction between Stereospermum and Darunavir, Cobicistat. 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.
Should I take Stereospermum and Darunavir, Cobicistat at the same time of day?
At least one FDA label for a product containing Darunavir, Cobicistat says to take it with food. If you take Stereospermum on an empty stomach out of habit, keep them separate and take Darunavir, Cobicistat with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Darunavir, Cobicistat products can differ — so check the directions on your own box. This is about absorption, not an interaction.
How was the Stereospermum and Darunavir, Cobicistat combination checked?
Interactions in our licensed database are recorded against drug classes. Darunavir, Cobicistat is filed under 7 classifications, and Stereospermum has documented interactions with 1 drug class — none of Darunavir, Cobicistat'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 Stereospermum interact with any other medications?
Yes. Stereospermum has 86 documented drug interactions in our database — Darunavir, Cobicistat 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 Darunavir, Cobicistat interact with any supplements?
Yes. Darunavir, Cobicistat has documented interactions with 145 supplements in our database — Stereospermum is not one of them. The Darunavir, Cobicistat 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

Stereospermum monograph Uses, safety profile, and every drug interaction in one place Darunavir and Cobicistat drug information The full plain-English guide to this medication Darunavir, Cobicistat supplement interactions Every supplement checked against Darunavir, Cobicistat, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Darunavir, Cobicistat and Stereospermum?

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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.