Drug & supplement interaction

Sandy Everlasting + Cyclophosphamide

Cyclophosphamide brand names: Cytoxan, Neosar.

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 Sandy Everlasting and Cyclophosphamide 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

Sandy Everlasting and Cyclophosphamide

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 Cyclophosphamide and Sandy Everlasting 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 Sandy Everlasting at all — not against Cyclophosphamide, 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.

Sandy Everlasting safety at a glance

Sandy Everlasting overall Use caution Generally used in traditional medicine, but high-quality human safety data are limited.
Pregnancy Avoid Not enough safety information; best to avoid during pregnancy.
Breastfeeding Avoid Safety while breastfeeding is unknown, so avoid use.

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

Still wondering about combining Cyclophosphamide and Sandy Everlasting? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Cyclophosphamide’s Own FDA Label Lists

This is not an interaction — none of it involves Sandy Everlasting. These are the most notable effects listed in the ADVERSE REACTIONS section of Cyclophosphamide’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. 10 of them are worth acting on rather than waiting out — marked below.

  • A low white blood cell count Worth acting on mentioned in 14.3% of FDA reports for Cyclophosphamide
  • Hearing loss Worth acting on
  • Severe muscle breakdown Worth acting on
  • Low sodium Worth acting on
  • Low blood sugar Worth acting on
  • A slow heartbeat Worth acting on
  • A heart attack Worth acting on
  • Blood clots Worth acting on
  • Pancreatitis Worth acting on
  • Yellowing of the skin or eyes Worth acting on

Showing the 10 most notable of 56 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 Cyclophosphamide. Read the label on DailyMed › Where a percentage is shown, it is the share of 176,005 voluntary FDA FAERS reports for Cyclophosphamide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Sandy Everlasting’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Sandy Everlasting side to compare — that is a limit of the record, not a statement that Sandy Everlasting has no side effects.

Everything else you take

See Every Supplement That Interacts With Cyclophosphamide

This page covers Sandy Everlasting only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Cyclophosphamide page lists 220 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Grapefruit (major), Siberian Cocklebur (major) and St. John's Wort (major).

By severity: 6 major · 176 moderate · 38 minor.

Open the Cyclophosphamide interaction page

One more smart check

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

We hold 34 real supplement products containing Sandy Everlasting, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Sandy Everlasting. Even though Sandy Everlasting itself has no known interaction with Cyclophosphamide, 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 Sandy Everlasting and Cyclophosphamide 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 Sandy Everlasting
Steady interest

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

29 days ago today
Medication Cyclophosphamide
Top half

#862 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. Sandy Everlasting is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Sandy Everlasting reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Sandy Everlasting and Cyclophosphamide 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 Sandy Everlasting

What is Sandy Everlasting?

  • Digestive and liver complaints
  • Bloating and gallbladder support
  • Mild inflammation
  • Coughs and respiratory complaints
  • Skin care (topical extracts)

Sandy Everlasting (Helichrysum arenarium) is a yellow-flowered plant used in traditional European herbal medicine, mainly for digestive and liver-related complaints. Human evidence for its benefits is very limited, so its true effectiveness is unclear. If you want to try it, talk with your pharmacist or doctor first, especially if you are pregnant, breastfeeding, or take other medicines.

Helichrysum arenarium · Asteraceae · Dried flowers (flower heads) · Tea, dried flower extract, tincture, capsules

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

Sandy Everlasting: dosing

There is no well-established standardized dose for Sandy Everlasting. Traditional use has included teas made from the dried flowers and various liquid extracts, but reliable, research-backed dosing has not been set.If you choose to use a product, follow the directions on the label and do not exceed the recommended amount.

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

Read the full Sandy Everlasting monograph & all interactions
Medication

About Cyclophosphamide

What Is Cyclophosphamide Used For?

Brand names: Cytoxan, Neosar

Cyclophosphamide is used to treat many types of cancer in adults and children, including malignant lymphomas (such as Hodgkin's disease and Burkitt's lymphoma), multiple myeloma, several forms of leukemia, breast cancer, ovarian cancer, neuroblastoma, retinoblastoma, and advanced mycosis fungoides (a type of skin lymphoma). It is often given alongside other chemotherapy drugs rather than on its own.

Oral and injectable powder formulations (but not the Cyclophosphamide Injection solution concentrate) are also approved for minimal change nephrotic syndrome — a kidney condition — in children who have not responded well to, or cannot tolerate, steroid therapy. The injectable solution concentrate is approved for adult patients only due to its alcohol content, and is not approved for use in children.

Most-Reported Side Effects for Cyclophosphamide

From FAERS, the FDA’s public side-effect reporting system (176,005 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Febrile neutropenia 14,532 reports
Neutropenia 10,580 reports
Fever 9,242 reports
Disease progression 8,093 reports
Pneumonia 6,669 reports
See full Cyclophosphamide drug information
Keep checking

Other Drugs & Sandy Everlasting

Browse every other medication we’ve checked against Sandy Everlasting — 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 Sandy Everlasting 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 Sandy Everlasting list.

See the full Sandy Everlasting interactions page
See every supplement checked against Cyclophosphamide, ranked by severity
Evidence & sources

Sandy Everlasting References

The 3 sources that drive our Sandy Everlasting monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Sandy Everlasting is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Herbs at a Glance — NIH NCCIH Source
  2. Herbs and Supplements — MedlinePlus Source
  3. About Herbs, Botanicals & Other Products — Memorial Sloan Kettering Cancer Center Source

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 Sandy Everlasting and Cyclophosphamide Together: Common Questions

Is it safe to take Sandy Everlasting with Cyclophosphamide?
We do not list a known interaction between Sandy Everlasting and Cyclophosphamide. 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 Cyclophosphamide interact with any supplements?
Yes. Cyclophosphamide has documented interactions with 220 supplements in our database — Sandy Everlasting is not one of them. The Cyclophosphamide 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

Sandy Everlasting monograph Uses, safety profile, and every drug interaction in one place Cyclophosphamide drug information The full plain-English guide to this medication Cyclophosphamide supplement interactions Every supplement checked against Cyclophosphamide, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Cyclophosphamide and Sandy Everlasting?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.