Frostwort + Cromolyn
Cromolyn brand name: Nasalcrom.
We found no known interaction between Frostwort and Cromolyn 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.
Frostwort and Cromolyn
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 Cromolyn 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 Cromolyn, 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
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
See Every Supplement That Interacts With Cromolyn
This page covers Frostwort only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Cromolyn 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 Cromolyn page
“Cromolyn (Nasalcrom) calms allergy symptoms by steadying the immune cells that release histamine, and when taken by mouth it has to be absorbed through the gut, which is exactly where all 17 of these interactions operate. Every ingredient on this list can change how much of an oral cromolyn dose actually reaches you, and one, activated…”
Reviewed by 2 · Jul 18, 2026
Where Frostwort and Cromolyn 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.
#585 of 1,452 supplements looked up here in the last 7 days
#1,722 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. 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 13, 2026. The Frostwort and Cromolyn 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.
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.
About Cromolyn Sodium Nasal Solution
What Is Cromolyn Sodium Nasal Solution Used For?
Brand name: Nasalcrom
Cromolyn sodium nasal solution is used to prevent and relieve nasal symptoms of hay fever and other nasal allergies. It works best when used regularly throughout your allergy season or whenever you're around your allergy triggers.
Specific symptoms it targets include:
- Runny or itchy nose
- Sneezing
- Allergic stuffy nose (nasal congestion caused by allergies)
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.
No drugs match “”.
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.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Losartan Potassium ›
- Metoprolol ›
- Aspirin ›
- Ivermectin ›
- Rivaroxaban ›
- Rosuvastatin ›
- Escitalopram ›
- Acetaminophen ›
- Tadalafil ›
- Clopidogrel ›
- Atorvastatin ›
- Valacyclovir ›
- Docusate ›
- Hydroxyurea ›
- Abemaciclib ›
- Methamphetamine ›
- Ibuprofen ›
- Sumatriptan ›
- Semaglutide ›
- Tirzepatide ›
- Warfarin Sodium ›
- Prednisone ›
- Propranolol ›
- Lisdexamfetamine ›
- Bupropion ›
- Metformin ›
- Acyclovir ›
- Amoxicillin ›
- Lisinopril ›
- Bendamustine ›
- Amitriptyline ›
- Doxycycline ›
- Methotrexate ›
- Lamotrigine ›
- Fluoxetine ›
- Amphetamine ›
- Pregabalin ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Azithromycin ›
- Dextroamphetamine ›
- Isotretinoin ›
- Clonazepam ›
- Omeprazole ›
- Quetiapine ›
- Methylene Blue ›
- Amlodipine Besylate ›
- Duloxetine ›
- Letrozole ›
- Buspirone ›
- Citalopram ›
- Ciprofloxacin ›
- Naproxen ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Frostwort list.
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.
Taking Frostwort and Cromolyn Together: Common Questions
Is it safe to take Frostwort with Cromolyn?
Does Cromolyn interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.