Drug & supplement interaction

Cannabidivarin (cbdv) + Salmeterol

Salmeterol brand name: Serevent.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Cannabidivarin (cbdv) and Salmeterol 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 Salmeterol states a food rule worth keeping to, and 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.

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Interaction report

Cannabidivarin (cbdv) and Salmeterol

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 Salmeterol and Cannabidivarin (cbdv) 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 Cannabidivarin (cbdv) at all — not against Salmeterol, 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.

Cannabidivarin (cbdv) safety at a glance

Cannabidivarin (cb... overall Not established Human safety data are very limited, so long-term effects are not well understood.
Pregnancy Avoid There is not enough safety information, so it is best avoided during pregnancy.
Breastfeeding Avoid Safety while breastfeeding is unknown, so avoid use.

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

Still wondering about combining Salmeterol and Cannabidivarin (cbdv)? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Cannabidivarin (cbdv) and Salmeterol May Share a Side Effect

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do.

  • Headache Additional detail

    Cannabidivarin (cbdv)

    “Orally, cannabidivarin has been associated with dizziness, somnolence, and headache. Ataxia, confusion, and dysarthria have been reported in one patient in a clinical trial who had been taking cannabidivarin 800 mg twice daily for 30 days. This patient also experienced other symptoms of intoxication, including arterial hypotension, nystagmus, diplopia, and elevated liver transaminases.”

    Cannabidivarin (cbdv) · Natural Medicines adverse-effect record, reported in cluster headache.

    2 sources cited
    1. 107343. Brodie MJ, Czapinski P, Pazdera L, et al. A Phase 2 Randomized Controlled Trial of the Efficacy and Safety of Cannabidivarin as Add-on Therapy in Participants with Inadequately Controlled Focal Seizures. Cannabis Cannabinoid Res 2021;6(6):528-536. PubMed
    2. 110246. Hurley EN, Ellaway CJ, Johnson AM, et al. Efficacy and safety of cannabidivarin treatment of epilepsy in girls with Rett syndrome: A phase 1 clinical trial. Epilepsia 2022;63(7):1736-1747. PubMed

    Salmeterol

    Listed in the ADVERSE REACTIONS section of the FDA label for Salmeterol. Read the label on DailyMed ›

Reported for Cannabidivarin (cbdv) but not commonly for Salmeterol: stomach pain, kidney problems, low blood pressure and drowsiness.

Effects for Salmeterol come from the ADVERSE REACTIONS section of its FDA label; effects for Cannabidivarin (cbdv) come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 107,431 voluntary FDA FAERS reports for Salmeterol that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

How to take them

Some Salmeterol Products Have a Food Rule — Cannabidivarin (cbdv) Should Not Break It

At least one FDA label for a product containing Salmeterol says to take it on an empty stomach. Most supplements — Cannabidivarin (cbdv) included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Salmeterol on its own and move Cannabidivarin (cbdv) 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 Salmeterol 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.

One inhalation of SEREVENT DISKUS at least 30 minutes before exercise has been shown to protect patients against EIB.

From the Dosage and Administration section of the FDA label we read for Salmeterol — 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.

Everything else you take

See Every Supplement That Interacts With Salmeterol

This page covers Cannabidivarin (cbdv) only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Salmeterol page lists 141 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: American Hellebore (major), Arsenic (major), Cesium (major), Ephedra (major) and Grapefruit (major).

By severity: 7 major · 105 moderate · 29 minor.

From our pharmacist’s overview on the Salmeterol page

“Salmeterol (Serevent) is the long-acting inhaler taken twice daily for asthma or COPD, and its supplement list is one I would approach with real caution. Seven of the 141 ingredients on file rate major: grapefruit can raise salmeterol levels by blocking the enzyme that clears it, St.”

Reviewed by 2 · Jul 18, 2026

Open the Salmeterol interaction page

How much people look this up

Where Cannabidivarin (cbdv) and Salmeterol 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 Cannabidivarin (cbdv)
Steady interest

#1,282 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Salmeterol
Steady interest

#2,132 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.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Cannabidivarin (cbdv) reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Cannabidivarin (cbdv) and Salmeterol 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.
Data structure & sourcing designed and verified by .
Supplement

About Cannabidivarin (cbdv)

What is Cannabidivarin (cbdv)?

  • Epilepsy and seizures
  • Autism spectrum disorder
  • Rett syndrome
  • Fragile X syndrome
  • Nausea
  • Anxiety

Cannabidivarin (CBDV) is a non-intoxicating compound found in cannabis that is being studied mainly for epilepsy and certain neurodevelopmental conditions. The research is still early, mostly from laboratory and animal studies plus small human trials, so it is not an approved or proven treatment. Talk to your pharmacist or doctor before trying any CBDV product.

Cannabaceae · Compound derived from the flowers and leaves of the cannabis plant · Oils, tinctures, isolates, and research-grade formulations

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

Cannabidivarin (cbdv): dosing

There is no established standard dose for CBDV. The amounts used in research studies were chosen for those specific trials and are not the same as general supplement guidance.If you choose to use a CBDV product, follow the directions on the product label and start low.

From our Cannabidivarin (cbdv) monograph — the full record covers uses, side effects and every documented interaction.

Read the full Cannabidivarin (cbdv) monograph & all interactions
Medication

About Salmeterol Oral Inhalation

What Is Salmeterol Oral Inhalation Used For?

Brand name: Serevent

Serevent Diskus (salmeterol inhalation powder) is used for three main purposes: treating asthma in patients aged 4 and older alongside an inhaled corticosteroid (ICS), preventing exercise-induced bronchospasm (EIB) in patients aged 4 and older, and providing long-term maintenance treatment of bronchospasm associated with COPD — including chronic bronchitis and emphysema — in adults.

Important: Serevent Diskus is not a rescue inhaler. It will not relieve a sudden asthma or COPD attack. For asthma, it must always be used together with an inhaled corticosteroid — using it alone for asthma is contraindicated due to a serious risk of asthma-related death.

See full Salmeterol Oral Inhalation drug information
Keep checking

Other Drugs & Cannabidivarin (cbdv)

Browse every other medication we’ve checked against Cannabidivarin (cbdv) — 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
No interaction 2,829 drugs checked — show the list
Evidence & sources

Cannabidivarin (cbdv) References

The 4 references that drive our Cannabidivarin (cbdv) 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.

  1. European Medicines Agency. Public summary of opinion on orphan designation: Cannabidivarin for treatment of fragile X syndrome. Available at: https://www.ema.europa.eu/en/documents/orphan-designation/eu/3/18/1977-public-summary-opinion-orphan-designation-
  2. US Food and Drug Administration. Orphan Drug Designations and Approvals. Available at: https://www.accessdata.fda.gov/scripts/opdlisting/oopd/. Accessed on March 19, 2021.
  3. Brodie MJ, Czapinski P, Pazdera L, et al. A Phase 2 Randomized Controlled Trial of the Efficacy and Safety of Cannabidivarin as Add-on Therapy in Participants with Inadequately Controlled Focal Seizures. Cannabis Cannabinoid Res 2021;6(6):528-536. PubMed
  4. Hurley EN, Ellaway CJ, Johnson AM, et al. Efficacy and safety of cannabidivarin treatment of epilepsy in girls with Rett syndrome: A phase 1 clinical trial. Epilepsia 2022;63(7):1736-1747. 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.

Pharmacist Counseling Corner

Taking Cannabidivarin (cbdv) and Salmeterol Together: Common Questions

Is it safe to take Cannabidivarin (cbdv) with Salmeterol?
We do not list a known interaction between Cannabidivarin (cbdv) and Salmeterol. 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.
Do Cannabidivarin (cbdv) and Salmeterol have any of the same side effects?
Yes — our sources link each of them separately to one of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Should I take Cannabidivarin (cbdv) and Salmeterol at the same time of day?
At least one FDA label for a product containing Salmeterol says to take it on an empty stomach, and supplements are usually taken with a meal — so taking them together at breakfast is the easy mistake. Where that applies, keep Salmeterol on its own and move Cannabidivarin (cbdv) to a meal later in the day. Food instructions belong to the product rather than the ingredient, so check the directions on your own box. This is about absorption, not an interaction.
Does Salmeterol interact with any supplements?
Yes. Salmeterol has documented interactions with 141 supplements in our database — Cannabidivarin (cbdv) is not one of them. The Salmeterol interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Salmeterol and Cannabidivarin (cbdv)?

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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.