Western Herbal Medicine + Bevacizumab
Bevacizumab brand name: Avastin.
We found no known interaction between Western Herbal Medicine and Bevacizumab 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.
Western Herbal Medicine and Bevacizumab
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 Bevacizumab and Western Herbal Medicine 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 Western Herbal Medicine at all — not against Bevacizumab, 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.
Western Herbal Medicine safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
See Every Supplement That Interacts With Bevacizumab
This page covers Western Herbal Medicine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Bevacizumab 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 Bevacizumab page
“Anyone receiving bevacizumab (Avastin) is fighting a serious cancer, often reaching for fiber supplements or charcoal to settle treatment-related stomach trouble, and that is exactly where this list deserves genuine attention. Every one of the 17 entries on file works through absorption, and the single major-rated interaction, activate…”
Reviewed by 2 · Jul 18, 2026
Where Western Herbal Medicine and Bevacizumab 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.
#661 of 1,452 supplements looked up here in the last 7 days
#1,357 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. Western Herbal Medicine 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 Western Herbal Medicine reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Western Herbal Medicine and Bevacizumab records this page draws on were last updated June 20, 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 Western Herbal Medicine
What is Western Herbal Medicine?
- Digestive complaints
- Sleep and anxiety support
- Cold and immune support
- Skin conditions
- Joint and muscle aches
- Women's health concerns
Western Herbal Medicine is a healing tradition that uses plants native to or commonly grown in Europe and North America to support health. Some individual herbs have decent research behind them, while many traditional uses are supported by limited or low-quality evidence. Always talk with a pharmacist or doctor before starting any herbal product, especially if you take medications or have a health condition.
Varies by plant — leaves, roots, flowers, bark, seeds, and whole herbs · Teas (infusions and decoctions), tinctures, capsules, tablets, powders, syrups, and topical creams
An interaction check asks whether these two react with each other — it does not ask whether Western Herbal Medicine is a good idea for someone in your situation. Here is what our Western Herbal Medicine record says about it on its own.
Western Herbal Medicine: dosing
There is no single standard dose for Western Herbal Medicine, because it covers so many different plants and product types. The right amount depends on the herb, its strength, the form (tea, tincture, or capsule), and the person.Follow the directions on the product label and do not exceed the suggested amount. A pharmacist, doctor, or qualified medical herbalist can help you choose a suitable product and dose for your situation. Start low, watch how you respond, and stop if you have any concerning reaction.
From our Western Herbal Medicine monograph — the full record covers uses, side effects and every documented interaction.
About Bevacizumab Injection
What Is Bevacizumab Injection Used For?
Brand name: Avastin
Bevacizumab injection is used to treat multiple types of advanced or metastatic cancers, most often in combination with chemotherapy. Avastin is approved for metastatic colorectal cancer (when combined with specific fluorouracil-based chemotherapy regimens), non-squamous non-small cell lung cancer (first-line, with carboplatin and paclitaxel), recurrent glioblastoma in adults, metastatic renal cell carcinoma (with interferon alfa), persistent or metastatic cervical cancer, and hepatocellular carcinoma (liver cancer, in combination with atezolizumab for patients who have not yet received systemic therapy).
Avastin is also approved for epithelial ovarian, fallopian tube, or primary peritoneal cancer — including stage III/IV disease after surgery, platinum-resistant recurrent disease, and platinum-sensitive recurrent disease — each with specific chemotherapy partner regimens. Note that Avastin is not indicated for adjuvant (preventive post-surgery) treatment of colon cancer.
Most-Reported Side Effects for Bevacizumab
From FAERS, the FDA’s public side-effect reporting system (128,714 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & Western Herbal Medicine
Browse every other medication we’ve checked against Western Herbal Medicine — 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 Western Herbal Medicine against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Ivermectin ›
- Abemaciclib ›
- Sertraline ›
- Rosuvastatin ›
- Testosterone ›
- Losartan Potassium ›
- Acetaminophen ›
- Aspirin ›
- Metoprolol ›
- Clopidogrel ›
- Escitalopram ›
- Atorvastatin ›
- Rivaroxaban ›
- Warfarin Sodium ›
- Tirzepatide ›
- Isotretinoin ›
- Ibuprofen ›
- Levothyroxine, Liothyronine ›
- Metformin ›
- Docusate ›
- Prednisone ›
- Tadalafil ›
- Amlodipine Besylate ›
- Amitriptyline ›
- Semaglutide ›
- Propranolol ›
- Amphetamine ›
- Methamphetamine ›
- Lisdexamfetamine ›
- Sumatriptan ›
- Valacyclovir ›
- Hydroxyurea ›
- Lisinopril ›
- Amoxicillin ›
- Methotrexate ›
- Bupropion ›
- Azithromycin ›
- Fluoxetine ›
- Doxycycline ›
- Pregabalin ›
- Gabapentin ›
- Acetaminophen, Aspirin, Caffeine ›
- Naproxen ›
- Dextroamphetamine ›
- Lamotrigine ›
- Clonazepam ›
- Quetiapine ›
- Buspirone ›
- Acyclovir ›
- Bendamustine ›
- Duloxetine ›
- Omeprazole ›
- Letrozole ›
- Citalopram ›
- Methylene Blue ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Western Herbal Medicine list.
Western Herbal Medicine References
The 4 sources that drive our Western Herbal Medicine monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Western Herbal Medicine is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.
- Herbs at a Glance — NIH NCCIH Source
- Using Dietary Supplements Wisely — NIH NCCIH Source
- Herbal Medicine — MedlinePlus Source
- 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.
Taking Western Herbal Medicine and Bevacizumab Together: Common Questions
Is it safe to take Western Herbal Medicine with Bevacizumab?
Does Bevacizumab interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Keep Exploring
Still Have a Question About Bevacizumab and Western Herbal Medicine?
Our pharmacists answer your medication & supplement questions — free.
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.