Drug & supplement interaction

Frostwort + Raltegravir

Raltegravir brand name: Isentress.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated June 2026 · Pair last verified Sep 20, 2026

The bottom line No known interaction

We found no known interaction between Frostwort and Raltegravir 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

Frostwort and Raltegravir

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 Raltegravir and Frostwort 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 Frostwort at all — not against Raltegravir, 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.

Frostwort safety at a glance

Frostwort overall Not established There is very little modern safety data on frostwort in humans.

Pregnancy Avoid Safety is not established, so it is best avoided during pregnancy.

Breastfeeding Avoid No reliable safety information exists, so avoid while breastfeeding.

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

Still wondering about combining Raltegravir and Frostwort? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

What to actually watch for

What Raltegravir’s Own FDA Label Lists

This is not an interaction — none of it involves Frostwort. These are the most notable effects listed in the ADVERSE REACTIONS section of Raltegravir’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. 3 of them are worth acting on rather than waiting out — marked below.

Low mood Worth acting on mentioned in 10.5% of FDA reports for Raltegravir
Severe muscle breakdown Worth acting on
Muscle weakness Worth acting on
Vivid dreams or nightmares
Bloating or gas
Reduced appetite
Trouble sleeping
Stomach pain
Tiredness
Dizziness

Showing the 10 most notable of 14 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 Raltegravir. Read the label on DailyMed › Where a percentage is shown, it is the share of 16,361 voluntary FDA FAERS reports for Raltegravir that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Frostwort’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Frostwort side to compare — that is a limit of the record, not a statement that Frostwort has no side effects.

Everything else you take

See Every Supplement That Interacts With Raltegravir

This page covers Frostwort only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Raltegravir page lists 33 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Breadfruit (moderate), Brussels Sprout (moderate), Cabbage (moderate) and Calcium (moderate).

By severity: 1 major · 22 moderate · 10 minor.

From our pharmacist’s overview on the Raltegravir page

“For someone taking raltegravir (Isentress) to keep HIV suppressed, a steady drug level is what blocks rebound and resistance, and this list deserves genuine vigilance. The lone major-rated entry is activated charcoal, which can soak up the medicine in the gut and cut what reaches your blood.”

Reviewed by 2 · Jul 18, 2026

Open the Raltegravir interaction page

How much people look this up

Where Frostwort and Raltegravir 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 Frostwort

Steady interest

#1,021 of 1,452 supplements looked up here in the last 7 days

29 days ago today

Medication Raltegravir

Steady interest

#2,030 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. Frostwort 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 Frostwort reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Frostwort and Raltegravir 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 Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Frostwort

What is Frostwort?

Sore throat and mouth irritation
Diarrhea
Skin conditions and ulcers (topical)
Scrofula (historical/traditional use)
General astringent tonic

Frostwort is a North American wildflower used in traditional and folk herbal medicine, mainly as an astringent for sore throats, diarrhea, and skin problems. There is very little modern scientific research to confirm that it works or to define a safe dose, so it should be used cautiously and only after talking with a healthcare professional.

Helianthemum canadense · Cistaceae · Whole plant (leaves and aerial parts) · Dried herb, tea (infusion), tincture, sometimes topical preparations

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

Frostwort: dosing

There is no established or standardized dose for frostwort. Traditional use varied widely and was not based on measured, tested amounts.If you choose to use a frostwort product, follow the directions on the product label and do not exceed them.

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

Read the full Frostwort monograph & all interactions

Medication

About Raltegravir

What Is Raltegravir Used For?

Brand name: Isentress

Raltegravir — available as Isentress and as the generic raltegravir tablet — is used to treat HIV-1 (human immunodeficiency virus) infection. It is always used together with other antiretroviral (anti-HIV) medicines, never on its own.

Isentress is approved for adults and for children weighing at least 2 kg. Raltegravir tablets are approved for adults and for children weighing at least 25 kg who can swallow a tablet whole.

Most-Reported Side Effects for Raltegravir

From FAERS, the FDA’s public side-effect reporting system (16,418 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Foetal exposure during pregnancy 1,078 reports

Depression 1,017 reports

Anxiety 966 reports

Emotional distress 789 reports

Anhedonia 708 reports

See full Raltegravir drug information

Keep checking

Other Drugs & Frostwort

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

See the full Frostwort interactions page

See every supplement checked against Raltegravir, ranked by severity

Evidence & sources

Frostwort References

The 1 sources that drive our Frostwort monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Frostwort is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

Using Dietary Supplements Wisely — NIH NCCIH 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 Frostwort and Raltegravir Together: Common Questions

Is it safe to take Frostwort with Raltegravir?

We do not list a known interaction between Frostwort and Raltegravir. 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 Raltegravir interact with any supplements?

Yes. Raltegravir has documented interactions with 33 supplements in our database — Frostwort is not one of them. The Raltegravir 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

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

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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.