Drug & supplement interaction

Cannabichromene (cbc) + Cephalexin

Cephalexin brand names: Keflex, Keftab, Cephalex, Lexin.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Cannabichromene (cbc) and Cephalexin 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.

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Interaction report

Cannabichromene (cbc) and Cephalexin

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 Cephalexin and Cannabichromene (cbc) 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.

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.

Cannabichromene (cbc) safety at a glance

Cannabichromene (c... overall Not established Human safety data are very limited, so its long-term safety is not established.
Pregnancy Avoid Not enough safety data; cannabinoids are best avoided during pregnancy.
Breastfeeding Avoid Cannabinoids can pass into breast milk, so avoid use while breastfeeding.

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

Still wondering about combining Cephalexin and Cannabichromene (cbc)? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Cephalexin

Interactions in our licensed database are recorded against drug classes, not just single drug names. Cephalexin is filed under 7 classifications — including organic anion transporter 3 (oat3) substrates, organic anion transporter 1 (oat1) substrates, antibiotic drugs. Cannabichromene (cbc) has documented interactions with 1 drug class — the most serious being cns depressants (moderate) — and none of Cephalexin’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Cannabichromene (cbc) Does Interact With Other Medications

Cannabichromene (cbc) has 248 moderate known drug interactions in our database — Cephalexin isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Cannabichromene (cbc)

Covers the 2,830 medications we’ve checked against Cannabichromene (cbc). Pick one to open its full report.

What to actually watch for

What Cephalexin’s Own FDA Label Lists

This is not an interaction — none of it involves Cannabichromene (cbc). These are the most notable effects listed in the ADVERSE REACTIONS section of Cephalexin’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 10 of them are worth acting on rather than waiting out — marked below.

  • Hallucinations Worth acting on
  • Yellowing of the skin or eyes Worth acting on
  • Confusion Worth acting on
  • Seizures Worth acting on
  • A low platelet count Worth acting on
  • Kidney problems Worth acting on
  • Anemia Worth acting on
  • A low white blood cell count Worth acting on
  • Liver problems Worth acting on
  • Bleeding or bruising Worth acting on

Showing the 10 most notable of 23 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Cephalexin. Read the label on DailyMed › Cannabichromene (cbc)’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Cannabichromene (cbc) side to compare — that is a limit of the record, not a statement that Cannabichromene (cbc) has no side effects.

From our Q&A

Questions About Cannabichromene (cbc) or Cephalexin

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Cannabichromene (cbc) or Cephalexin, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Cephalexin

This page covers Cannabichromene (cbc) only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Cephalexin page lists 61 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Siberian Cocklebur (major), African Wild Potato (moderate) and Aristolochia (moderate).

By severity: 3 major · 47 moderate · 11 minor.

From our pharmacist’s overview on the Cephalexin page

“Cephalexin (Keflex) is one of the most commonly prescribed oral antibiotics, usually for skin and urinary infections, and its supplement list warrants genuine care rather than a quick skim. Three of the 61 ingredients on file rate major.”

Reviewed by 2 · Jul 18, 2026

Open the Cephalexin interaction page

How much people look this up

Where Cannabichromene (cbc) and Cephalexin 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 Cannabichromene (cbc)
Steady interest

#1,087 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Cephalexin
Top 5%

#67 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 Cannabichromene (cbc) reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Cannabichromene (cbc) and Cephalexin 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.
Data structure & sourcing designed and verified by .
Supplement

About Cannabichromene (cbc)

What is Cannabichromene (cbc)?

Cannabichromene (cbc)
  • Pain relief
  • Inflammation
  • Mood and anxiety
  • Skin and acne concerns
  • Brain and nerve health

Cannabichromene (CBC) is a non-intoxicating cannabinoid found in the cannabis plant that is being studied for possible pain, anti-inflammatory, and nervous-system effects. Almost all current evidence comes from laboratory and animal research, so we do not yet know how well it works or how safe it is in people. Talk with your pharmacist or doctor before using any CBC product, and avoid it during pregnancy and breastfeeding.

Cannabaceae · Flowers and resin of the cannabis plant (where the cannabinoid is concentrated) · Oils and tinctures, capsules, edibles, full-spectrum hemp extracts, vape products

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

Cannabichromene (cbc): dosing

There is no established or standardized dose for CBC. Because human research is so limited, experts cannot recommend a specific amount that is known to be safe or effective.If you choose to try a CBC product, follow the directions on the product label and consider starting low. Look for products that have been tested by an independent lab and provide a certificate of analysis.

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

Read the full Cannabichromene (cbc) monograph & all interactions
Medication

About Cephalexin

What Is Cephalexin Used For?

Brand names: Keflex, Keftab, Cephalex, Lexin

Cephalexin treats bacterial infections caused by susceptible strains of bacteria. It is used for respiratory tract infections, ear infections (otitis media), skin and skin structure infections, bone infections, and genitourinary tract infections — including acute prostatitis.

It works only against bacterial infections — not viruses like colds or flu. Your prescriber should use it only when a bacterial infection is confirmed or strongly suspected, to help prevent antibiotic resistance.

Most-Reported Side Effects for Cephalexin

From FAERS, the FDA’s public side-effect reporting system (0 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Chronic kidney disease 2,157 reports
Renal failure 1,558 reports
Acute kidney injury 1,550 reports
Diarrhea 1,405 reports
Fatigue 1,303 reports
See full Cephalexin drug information
Keep checking

Other Drugs & Cannabichromene (cbc)

Browse every other medication we’ve checked against Cannabichromene (cbc) — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
248Moderate
0Minor
2,581No known interaction
Moderate

248 interactions

Showing 60 of 248 moderate interactions — see all 248 on the Cannabichromene (cbc) page.

No interaction 2,581 drugs checked — show the list
Evidence & sources

Cannabichromene (cbc) References

The 1 references that drive our Cannabichromene (cbc) 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. Hatoum NS, Davis WM, Waters IW, Elsohly MA, Turner CE. Synergism of cannabichromene and CNS depressants in mice. Gen Pharmacol. 1981;12(5):351-6. 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 Cannabichromene (cbc) and Cephalexin Together: Common Questions

Is it safe to take Cannabichromene (cbc) with Cephalexin?
We do not list a known interaction between Cannabichromene (cbc) and Cephalexin. 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.
How was the Cannabichromene (cbc) and Cephalexin combination checked?
Interactions in our licensed database are recorded against drug classes. Cephalexin is filed under 7 classifications, and Cannabichromene (cbc) has documented interactions with 1 drug class — none of Cephalexin's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Cannabichromene (cbc) interact with any other medications?
Yes. Cannabichromene (cbc) has 248 documented drug interactions in our database — Cephalexin is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Cephalexin interact with any supplements?
Yes. Cephalexin has documented interactions with 61 supplements in our database — Cannabichromene (cbc) is not one of them. The Cephalexin 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 Cephalexin and Cannabichromene (cbc)?

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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.