Drug & supplement interaction

Dusty Miller + Idelalisib

Idelalisib brand name: Zydelig.

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 Dusty Miller and Idelalisib 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.

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Interaction report

Dusty Miller and Idelalisib

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 Idelalisib and Dusty Miller 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.

Dusty Miller safety at a glance

Dusty Miller overall Avoid It can contain liver-toxic pyrrolizidine alkaloids and is not recommended for internal or homemade use.
Pregnancy Likely Unsafe When used orally. Dusty miller preparations containing hepatotoxic pyrrolizidine alkaloid (PA) constituents might be teratogenic and hepatotoxic. There is insuf... Read the full pregnancy detail
Breastfeeding Likely Unsafe When used orally. Hepatotoxic pyrrolizidine alkaloid (PA) constituents in dusty miller are excreted in milk. There is insufficient reliable information availabl... Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Idelalisib and Dusty Miller? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Idelalisib

Interactions in our licensed database are recorded against drug classes, not just single drug names. Idelalisib is filed under 3 classifications — cytochrome p450 3a4 (cyp3a4) inhibitors, cytochrome p450 3a4 (cyp3a4) substrates, oral drugs. Dusty Miller has documented interactions with 1 drug class — the most serious being cytochrome p450 3a4 (cyp3a4) inducers (moderate) — and none of Idelalisib’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

Dusty Miller Does Interact With Other Medications

Dusty Miller has 87 moderate known drug interactions in our database — Idelalisib 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. Idelalisib)
Taking anything else?

Check Another of Your Medications Against Dusty Miller

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

What to actually watch for

No Interaction Found — But Data Suggests Dusty Miller and Idelalisib 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. One of them is worth acting on rather than waiting out — marked below.

  • Liver problems Worth acting on Additional detail

    Dusty Miller

    “Orally, the major concern with dusty miller use is its pyrrolizidine alkaloid (PA) content. These constituents can cause liver injury. Chronic exposure to other plants containing hepatotoxic PA constituents is associated with veno-occlusive disease. Subacute veno-occlusive disease can cause vague symptoms, including colicky pains, vomiting, diarrhea, and ascites within several days;”

    Dusty Miller · Natural Medicines adverse-effect record, reported in diarrhea.

    4 sources cited
    1. 12386. Danesch U, Rittinghausen R. Safety of a patented special butterbur root extract for migraine prevention. Headache 2003;43:76-8.. PubMed
    2. 12841. Chojkier M. Hepatic sinusoidal-obstruction syndrome: toxicity of pyrrolizidine alkaloids. J Hepatol 2003;39:437-46. PubMed
    3. 12842. Roeder E. Medicinal plants in Europe containing pyrrolizidine alkaloids. Pharmazie 1995;50:83-98.
    4. 4021. WHO working group. Pyrrolizidine alkaloids. Environmental Health Criteria, 80. WHO: Geneva, 1988.

    Idelalisib

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

  • Diarrhea / Vomiting reported in 11.0% of FDA reports for Idelalisib Additional detail

    Dusty Miller

    Recorded for Dusty Miller in the same Natural Medicines adverse-effect record shown under Liver problems above.

    Idelalisib

    Listed in the ADVERSE REACTIONS section of the FDA label for Idelalisib, and in voluntary FDA adverse-event reports. Read the label on DailyMed ›

Reported for Dusty Miller but not commonly for Idelalisib: raised blood pressure.

Effects for Idelalisib come from the ADVERSE REACTIONS section of its FDA label; effects for Dusty Miller come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 7,040 voluntary FDA FAERS reports for Idelalisib that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Dusty Miller in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally. Dusty miller preparations containing hepatotoxic pyrrolizidine alkaloid (PA) constituents might be teratogenic and hepatotoxic. There is insufficient reliable information available about the safety of dusty miller products that do not contain hepatotoxic PAs when used during pregnancy.

Lactation Likely Unsafe

When used orally. Hepatotoxic pyrrolizidine alkaloid (PA) constituents in dusty miller are excreted in milk. There is insufficient reliable information available about the safety of dusty miller products that do not contain hepatotoxic PAs when used during lactation.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

Everything else you take

See Every Supplement That Interacts With Idelalisib

This page covers Dusty Miller only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Idelalisib page lists 143 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 · 100 moderate · 40 minor.

From our pharmacist’s overview on the Idelalisib page

“Idelalisib (Zydelig) treats certain blood cancers, work that leaves little room for error, so start with the three major-rated entries on this page. Grapefruit raises idelalisib levels and the risk of side effects with them, St.”

Reviewed by 2 · Jul 18, 2026

Open the Idelalisib interaction page

How much people look this up

Where Dusty Miller and Idelalisib 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 Dusty Miller
Top half

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

29 days ago today
Medication Idelalisib
Steady interest

#1,882 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 Dusty Miller reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Dusty Miller and Idelalisib 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 Dusty Miller

What is Dusty Miller?

  • Cataracts (traditional eye use)
  • Eye irritation and inflammation
  • Wound healing (folk use)
  • Menstrual complaints (folk use)

Dusty Miller is a silvery ornamental plant that has been used in folk medicine, mainly as an eye remedy for cataracts and irritation. There is no reliable scientific evidence that it works, and the plant contains compounds (pyrrolizidine alkaloids) that can be toxic, so it is not considered safe for self-treatment. Talk to a pharmacist or doctor before using any product made from it.

Jacobaea maritima · Asteraceae · Leaves and flowering tops; historically the plant juice · Traditional eye drops/eyewash, homeopathic preparations, tinctures

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

Dusty Miller: dosing

There is no established or safe dose for Dusty Miller. Because the plant can be toxic and has no proven medical benefit, no reliable dosing guidelines exist for any form.We do not recommend self-treating with this plant.

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

Read the full Dusty Miller monograph & all interactions
Medication

About Idelalisib

What Is Idelalisib Used For?

Brand name: Zydelig

Zydelig (idelalisib) is approved to treat relapsed chronic lymphocytic leukemia (CLL) — a cancer of the blood and bone marrow — when used together with rituximab. It is specifically for patients who have already received treatment and for whom rituximab alone would be appropriate due to other health conditions.

Zydelig is not approved or recommended as a first-line (initial) treatment for CLL or any other cancer, including small lymphocytic lymphoma (SLL) or follicular lymphoma (FL). It is also not approved in combination with bendamustine and rituximab, or with rituximab alone, for FL, SLL, or other slow-growing non-Hodgkin lymphomas.

Most-Reported Side Effects for Idelalisib

From FAERS, the FDA’s public side-effect reporting system (7,040 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Disease progression 1,225 reports
Diarrhea 771 reports
Pneumonia 437 reports
Fever 375 reports
Fatigue 301 reports
See full Idelalisib drug information
Keep checking

Other Drugs & Dusty Miller

Browse every other medication we’ve checked against Dusty Miller — 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 Dusty Miller page.

No interaction 2,742 drugs checked — show the list

We also checked Dusty Miller 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 Dusty Miller list.

See the full Dusty Miller interactions page
See every supplement checked against Idelalisib, ranked by severity
Evidence & sources

Dusty Miller References

The 5 references that drive our Dusty Miller 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. WHO working group. Pyrrolizidine alkaloids. Environmental Health Criteria, 80. WHO: Geneva, 1988.
  2. Danesch U, Rittinghausen R. Safety of a patented special butterbur root extract for migraine prevention. Headache 2003;43:76-8.. PubMed
  3. Chojkier M. Hepatic sinusoidal-obstruction syndrome: toxicity of pyrrolizidine alkaloids. J Hepatol 2003;39:437-46. PubMed
  4. Roeder E. Medicinal plants in Europe containing pyrrolizidine alkaloids. Pharmazie 1995;50:83-98.
  5. Wang YP, Yan J, Fu PP, Chou MW. Human liver microsomal reduction of pyrrolizidine alkaloid N-oxides to form the corresponding carcinogenic parent alkaloid. Toxicol Lett 2005;155:411-20. 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 Dusty Miller and Idelalisib Together: Common Questions

Is it safe to take Dusty Miller with Idelalisib?
We do not list a known interaction between Dusty Miller and Idelalisib. 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 Dusty Miller and Idelalisib have any of the same side effects?
Yes — our sources link each of them separately to 3 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.
How was the Dusty Miller and Idelalisib combination checked?
Interactions in our licensed database are recorded against drug classes. Idelalisib is filed under 3 classifications, and Dusty Miller has documented interactions with 1 drug class — none of Idelalisib'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 Dusty Miller interact with any other medications?
Yes. Dusty Miller has 87 documented drug interactions in our database — Idelalisib 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 Idelalisib interact with any supplements?
Yes. Idelalisib has documented interactions with 143 supplements in our database — Dusty Miller is not one of them. The Idelalisib 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

Dusty Miller monograph Uses, safety profile, and every drug interaction in one place Idelalisib drug information The full plain-English guide to this medication Idelalisib supplement interactions Every supplement checked against Idelalisib, 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 5 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Idelalisib and Dusty Miller?

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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.