Hyland's Restless Legs + Erlotinib
Erlotinib brand name: Tarceva.
We found no known interaction between Hyland's Restless Legs and Erlotinib 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 label for Erlotinib states a food rule worth keeping to.
Hyland's Restless Legs and Erlotinib
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 Erlotinib and Hyland's Restless Legs 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 Hyland's Restless Legs at all — not against Erlotinib, 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.
Hyland's Restless Legs safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
In most situations, clinically significant interactions between homeopathic products and prescription or over-the-counter medications are extremely unlikely.
Homeopathic medications, which utilize the principle of 'like cures like', are often highly diluted substances. These dilutions are typically so high that the final remedy contains only a tiny amount of the original active ingredient, if any at all.
In theory, because the concentration of the active ingredient is so low, homeopathic preparations are unlikely to interact with other medications in the body.
This is certainly the case with Hyland's Restful Legs, with all the ingredients diluted at potencies of 6X or 12X. A potency of 6X means that the original substance has been diluted by a factor of 10^6, or one part in a million (i.e., for every million parts of the solution, there is one part of the original substance).
It is important to note that not all homeopathic remedies are free of potential drug interactions as some use very low dilutions (which is often the case with zinc-containing products).
Nevertheless, there are no known drug interactions between Hyland's Restful Legs and other medications. It is also thought to be safe to take along with medications to help sleep, like Benadryl, melatonin, and NyQuil, which are commonly used with the product to help sleep.
Some Erlotinib Products Have a Food Rule — Hyland's Restless Legs Should Not Break It
At least one FDA label for a product containing Erlotinib says to take it on an empty stomach. Most supplements — Hyland's Restless Legs included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Erlotinib on its own and move Hyland's Restless Legs to a meal later in the day.
This may not be true of your version. Food instructions belong to the product, not the ingredient: two Erlotinib products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.
Recommended Dose – NSCLC The recommended daily dose of erlotinib tablets for NSCLC is 150 mg taken on an empty stomach, i.e., at least one hour before or two hours after the ingestion of food.
From the Dosage and Administration section of the FDA label we read for Erlotinib — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›
A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.
See Every Supplement That Interacts With Erlotinib
This page covers Hyland's Restless Legs only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Erlotinib page lists 18 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), Bilberry (moderate), Coffee Charcoal (moderate), European Mandrake (moderate) and Glucomannan (moderate).
By severity: 1 major · 8 moderate · 9 minor.
From our pharmacist’s overview on the Erlotinib page
“Activated charcoal is the entry I would flag first for anyone taking erlotinib (Tarceva), an oral targeted therapy for certain lung cancers. Charcoal can adsorb the drug in the gut and cut how much reaches the bloodstream, and with a cancer pill, less absorbed means less cancer fought.”
Reviewed by 2 · Jul 18, 2026
Where Hyland's Restless Legs and Erlotinib 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.
#784 of 1,452 supplements looked up here in the last 7 days
#2,224 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. Hyland's Restless Legs 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 Hyland's Restless Legs reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Hyland's Restless Legs and Erlotinib 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 Hyland's Restless Legs
What is Hyland's Restless Legs?
- Restless legs sensations
- Urge to move the legs
- Leg twitching or jerking
- Crawling or itching feelings in the legs
- Trouble resting due to leg discomfort
Hyland's Restful Legs (often called 'Restless Legs') is a homeopathic product marketed to calm agitated legs so you can rest. Its ingredients are extremely diluted, and there is no strong scientific evidence that it relieves restless legs syndrome. If you have ongoing leg symptoms, talk with a pharmacist or doctor, since restless legs can have treatable underlying causes such as low iron.
Highly diluted homeopathic ingredients (not a single plant part) · Quick-dissolving tablets (daytime and nighttime/PM versions)
An interaction check asks whether these two react with each other — it does not ask whether Hyland's Restless Legs is a good idea for someone in your situation. Here is what our Hyland's Restless Legs record says about it on its own.
Hyland's Restless Legs: dosing
There is no scientifically established dose for this product, since it has not been proven effective in clinical trials. Always follow the directions on the package label. Do not exceed the labeled amount, and do not use it as a substitute for treatments your doctor has recommended.
From our Hyland's Restless Legs monograph — the full record covers uses, side effects and every documented interaction.
About Erlotinib
What Is Erlotinib Used For?
Brand name: Tarceva
Erlotinib treats metastatic non-small cell lung cancer (NSCLC) when the tumor has certain EGFR gene changes (exon 19 deletions or exon 21 L858R mutations), found by an FDA-approved test. It can be used first, as maintenance, or after at least one prior chemotherapy regimen has stopped working.
Erlotinib is also used with gemcitabine as first-line treatment for locally advanced, unresectable or metastatic pancreatic cancer. These uses are listed for the erlotinib tablet products.
Most-Reported Side Effects for Erlotinib
From FAERS, the FDA’s public side-effect reporting system (12,441 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & Hyland's Restless Legs
Browse every other medication we’ve checked against Hyland's Restless Legs — 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 Hyland's Restless Legs against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Warfarin ›
- Methylphenidate ›
- Ivermectin ›
- Abemaciclib ›
- Rosuvastatin ›
- Sertraline ›
- Losartan Potassium ›
- Testosterone ›
- Acetaminophen ›
- Aspirin ›
- Clopidogrel ›
- Metoprolol ›
- Escitalopram ›
- Atorvastatin ›
- Rivaroxaban ›
- Warfarin Sodium ›
- Tirzepatide ›
- Ibuprofen ›
- Isotretinoin ›
- Levothyroxine, Liothyronine ›
- Metformin ›
- Docusate ›
- Prednisone ›
- Tadalafil ›
- Amlodipine Besylate ›
- Propranolol ›
- Semaglutide ›
- Amphetamine ›
- Amitriptyline ›
- Lisdexamfetamine ›
- Methamphetamine ›
- Sumatriptan ›
- Lisinopril ›
- Amoxicillin ›
- Valacyclovir ›
- Hydroxyurea ›
- Bupropion ›
- Methotrexate ›
- Fluoxetine ›
- Azithromycin ›
- Doxycycline ›
- Pregabalin ›
- Gabapentin ›
- Acetaminophen, Aspirin, Caffeine ›
- Naproxen ›
- Clonazepam ›
- Lamotrigine ›
- Buspirone ›
- Dextroamphetamine ›
- Quetiapine ›
- Acyclovir ›
- Duloxetine ›
- Letrozole ›
- Omeprazole ›
- Bendamustine ›
- Methylene Blue ›
- Citalopram ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Hyland's Restless Legs list.
Hyland's Restless Legs References
The 3 sources that drive our Hyland's Restless Legs monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Hyland's Restless Legs is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.
- Homeopathy — NIH NCCIH Source
- Restless Legs Syndrome — MedlinePlus Source
- Homeopathic Products — U.S. Food and Drug Administration 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 Hyland's Restless Legs and Erlotinib Together: Common Questions
Is it safe to take Hyland's Restless Legs with Erlotinib?
Should I take Hyland's Restless Legs and Erlotinib at the same time of day?
Does Erlotinib 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.