Mallow + Vemurafenib
Vemurafenib brand name: Zelboraf.
We found no known interaction between Mallow and Vemurafenib 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.
Mallow and Vemurafenib
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 Vemurafenib and Mallow 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 Mallow at all — not against Vemurafenib, 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.
Mallow safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
See Every Supplement That Interacts With Vemurafenib
This page covers Mallow only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Vemurafenib page lists 165 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), American Hellebore (major), Arsenic (major), Cesium (major) and Ephedra (major).
By severity: 8 major · 118 moderate · 39 minor.
From our pharmacist’s overview on the Vemurafenib page
“People taking vemurafenib (Zelboraf) for BRAF-positive melanoma often reach for immune boosters, herbal blends, and green teas, and this is one drug where those choices deserve real scrutiny before anything gets combined. Of the 165 supplement ingredients with an interaction on file, 8 are rated major, and the biggest cluster (121 ingr…”
Reviewed by 2 · Jul 18, 2026
Taking Mallow as Part of a Dietary Supplement Product? Check It for Interactions
We hold 83 real supplement products containing Mallow, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Mallow. Even though Mallow itself has no known interaction with Vemurafenib, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:
Where Mallow and Vemurafenib 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.
#621 of 1,452 supplements looked up here in the last 7 days
#2,763 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.
- Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Mallow reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Mallow and Vemurafenib records this page draws on were last updated July 10, 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 Mallow
What is Mallow?
- Sore throat and cough
- Digestive upset
- Skin irritation
- Mild constipation
- Mouth and gum irritation
Mallow (Malva sylvestris) is a traditional herb valued for its soothing, mucilage-rich leaves and flowers, used mostly for sore throat, cough, and minor skin or stomach irritation. Scientific evidence in humans is limited, so it should be seen as a gentle traditional remedy rather than a proven treatment. It is generally considered low-risk for short-term use, but pregnant and breastfeeding people should avoid it due to a lack of safety data.
Malva sylvestris · Malvaceae · Leaves and flowers (sometimes roots) · Tea, dried herb, capsules, liquid extracts, topical preparations, gargles
An interaction check asks whether these two react with each other — it does not ask whether Mallow is a good idea for someone in your situation. Here is what our Mallow record says about it on its own.
Mallow: dosing
There is no standardized, well-established dose for mallow. Traditional use often involves a tea made from a small amount of dried leaves or flowers steeped in hot water.Because products vary widely in strength and form (tea, capsule, or liquid extract), the best approach is to follow the directions on the product label.
From our Mallow monograph — the full record covers uses, side effects and every documented interaction.
About Vemurafenib
What Is Vemurafenib Used For?
Brand name: Zelboraf
Zelboraf (vemurafenib) is used to treat adults with unresectable or metastatic melanoma — meaning melanoma that cannot be surgically removed or has spread — when the tumor tests positive for a specific genetic change called the BRAF V600E mutation. An FDA-approved test must confirm this mutation before starting treatment.
Zelboraf is also approved for patients with Erdheim-Chester Disease (ECD), a rare condition where abnormal immune cells build up in organs, when that disease carries a BRAF V600 mutation. Zelboraf is not for patients whose melanoma has normal (wild-type) BRAF, as it may actually promote tumor growth in that setting.
Other Drugs & Mallow
Browse every other medication we’ve checked against Mallow — 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 Mallow 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 ›
- Ivermectin ›
- Abemaciclib ›
- Aspirin ›
- Acetaminophen ›
- Metoprolol ›
- Rosuvastatin ›
- Rivaroxaban ›
- Escitalopram ›
- Clopidogrel ›
- Atorvastatin ›
- Tadalafil ›
- Docusate ›
- Tirzepatide ›
- Ibuprofen ›
- Methamphetamine ›
- Hydroxyurea ›
- Valacyclovir ›
- Warfarin Sodium ›
- Sumatriptan ›
- Semaglutide ›
- Prednisone ›
- Lisdexamfetamine ›
- Propranolol ›
- Metformin ›
- Amitriptyline ›
- Amoxicillin ›
- Lisinopril ›
- Isotretinoin ›
- Amlodipine Besylate ›
- Methotrexate ›
- Bendamustine ›
- Bupropion ›
- Amphetamine ›
- Doxycycline ›
- Fluoxetine ›
- Acyclovir ›
- Azithromycin ›
- Lamotrigine ›
- Pregabalin ›
- Dextroamphetamine ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Quetiapine ›
- Clonazepam ›
- Levothyroxine, Liothyronine ›
- Naproxen ›
- Omeprazole ›
- Letrozole ›
- Methylene Blue ›
- Duloxetine ›
- Buspirone ›
- Citalopram ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Mallow list.
Mallow References
The 2 references that drive our Mallow 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.
- Ameri A, Heydarirad G, Rezaeizadeh H, Choopani R, Ghobadi A, Gachkar L. Evaluation of Efficacy of an Herbal Compound on Dry Mouth in Patients With Head and Neck Cancers: A Randomized Clinical Trial. J Evid Based Complementary Altern Med. 2016;21(1):30-3. PubMed
- Elsagh M, Fartookzadeh MR, Kamalinejad M, et al. Efficacy of the Malva sylvestris L. flowers aqueous extract for functional constipation: A placebo-controlled trial. Complement Ther Clin Pract. 2015;21(2):105-11. 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.
Taking Mallow and Vemurafenib Together: Common Questions
Is it safe to take Mallow with Vemurafenib?
Do Mallow and Vemurafenib have any of the same side effects?
Does Vemurafenib interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Still Have a Question About Vemurafenib and Mallow?
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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.