Drug & supplement interaction

Veronica + Ceftolozane Sulfate, Tazobactam Sodium

Ceftolozane Sulfate, Tazobactam Sodium brand name: Zerbaxa.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Veronica and Ceftolozane Sulfate, Tazobactam Sodium 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

Veronica and Ceftolozane Sulfate, Tazobactam Sodium

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 Ceftolozane Sulfate, Tazobactam Sodium and Veronica 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 Veronica at all — not against Ceftolozane Sulfate, Tazobactam Sodium, 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.

Veronica safety at a glance

Veronica overall Use caution Long traditional use but very limited modern safety data, so use cautiously.
Pregnancy Avoid Not enough safety information; avoid during pregnancy.
Breastfeeding Avoid Not enough safety information; avoid while breastfeeding.

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

Still wondering about combining Ceftolozane Sulfate, Tazobactam Sodium and Veronica? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Ceftolozane Sulfate, Tazobactam Sodium’s Own FDA Label Lists

This is not an interaction — none of it involves Veronica. These are the most notable effects listed in the ADVERSE REACTIONS section of Ceftolozane Sulfate, Tazobactam Sodium’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.

  • Low magnesium Worth acting on
  • A stroke or mini-stroke Worth acting on
  • A bowel blockage Worth acting on
  • Low potassium Worth acting on
  • Blood clots Worth acting on
  • High blood sugar Worth acting on
  • An irregular heartbeat Worth acting on
  • Chest pain Worth acting on
  • Kidney problems Worth acting on
  • Anemia Worth acting on

Showing the 10 most notable of 33 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 Ceftolozane Sulfate, Tazobactam Sodium. Read the label on DailyMed › Veronica’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Veronica side to compare — that is a limit of the record, not a statement that Veronica has no side effects.

Everything else you take

See Every Supplement That Interacts With Ceftolozane Sulfate, Tazobactam Sodium

This page covers Veronica only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ceftolozane Sulfate, Tazobactam Sodium page lists 27 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Bacillus Coagulans (moderate), Bacillus Subtilis (moderate), Bifidobacterium Animalis Subsp. Lactis (moderate), Bifidobacterium Bifidum (moderate) and Bifidobacterium Breve (moderate).

By severity: 26 moderate · 1 minor.

From our pharmacist’s overview on the Ceftolozane Sulfate, Tazobactam Sodium page

“The supplement interactions on file for Zerbaxa (ceftolozane and tazobactam) all point in one direction, and it is not toward harming you. Every entry is a probiotic or fermented product, things like Lactobacillus acidophilus or fermented milk drinks, and the concern is that this potent antibiotic can kill the live organisms in those p…”

Reviewed by 2 · Jul 18, 2026

Open the Ceftolozane Sulfate, Tazobactam Sodium interaction page

One more smart check

Taking Veronica as Part of a Dietary Supplement Product? Check It for Interactions

We hold 10 real supplement products containing Veronica, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Veronica. Even though Veronica itself has no known interaction with Ceftolozane Sulfate, Tazobactam Sodium, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Veronica and Ceftolozane Sulfate, Tazobactam Sodium 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 Veronica
Top half

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

29 days ago today
Medication Ceftolozane Sulfate, Tazobactam Sodium
Top half

#1,086 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. Veronica 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 Veronica reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Veronica and Ceftolozane Sulfate, Tazobactam Sodium records this page draws on were last updated June 22, 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 Veronica

What is Veronica?

Veronica
  • Coughs and respiratory complaints
  • Digestive upset and appetite stimulation
  • Gout, arthritis, and rheumatic complaints
  • Kidney and urinary tract conditions
  • Mouth and throat inflammation (topical)

Veronica (speedwell) is a traditional European herb used mainly for coughs, digestive complaints, and joint problems, but there is very little modern scientific evidence to show it actually works for any of these. It is generally considered mild, but its safety has not been well studied, so check with a pharmacist or doctor before using it — and avoid it during pregnancy and breastfeeding.

Veronica officinalis · Plantaginaceae · Above-ground (aerial) parts — the flowering herb, including leaves and stems · Tea (infusion), tincture, dried herb, and topical rinses or gargles

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

Veronica: dosing

There is no standardized or scientifically established dose for Veronica. Traditional use has mostly involved a tea made from the dried herb or a tincture, but exact safe and effective amounts have not been determined by research.If you use a commercial product, follow the directions on the label and do not exceed the recommended amount.

From our Veronica monograph — the full record covers uses, side effects and every documented interaction.

Read the full Veronica monograph & all interactions
Medication

About Ceftolozane and Tazobactam Injection

What Is Ceftolozane and Tazobactam Injection Used For?

Brand name: Zerbaxa

Zerbaxa (ceftolozane and tazobactam) is used to treat three types of serious bacterial infections in adults and children born at least 32 weeks gestational age. For complicated intra-abdominal infections (serious infections inside the belly), Zerbaxa is always given alongside another antibiotic called metronidazole. It also treats complicated urinary tract infections, including kidney infections (pyelonephritis).

Zerbaxa is also approved to treat hospital-acquired bacterial pneumonia and ventilator-associated bacterial pneumonia — lung infections that develop in the hospital or while a patient is on a breathing machine. It works only against specific bacteria confirmed or strongly suspected to be causing the infection.

See full Ceftolozane and Tazobactam Injection drug information
Keep checking

Other Drugs & Veronica

Browse every other medication we’ve checked against Veronica — 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
2,829 No interaction
No interaction 2,829 drugs checked — show the list

We also checked Veronica against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Veronica list.

See the full Veronica interactions page
See every supplement checked against Ceftolozane Sulfate, Tazobactam Sodium, ranked by severity
Evidence & sources

Veronica References

The 1 sources that drive our Veronica monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Veronica is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Herbs at a Glance — NIH National Center for Complementary and Integrative Health 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.

Pharmacist Counseling Corner

Taking Veronica and Ceftolozane Sulfate, Tazobactam Sodium Together: Common Questions

Is it safe to take Veronica with Ceftolozane Sulfate, Tazobactam Sodium?
We do not list a known interaction between Veronica and Ceftolozane Sulfate, Tazobactam Sodium. 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.
Does Ceftolozane Sulfate, Tazobactam Sodium interact with any supplements?
Yes. Ceftolozane Sulfate, Tazobactam Sodium has documented interactions with 27 supplements in our database — Veronica is not one of them. The Ceftolozane Sulfate, Tazobactam Sodium interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Veronica monograph Uses, safety profile, and every drug interaction in one place Ceftolozane and Tazobactam Injection drug information The full plain-English guide to this medication Ceftolozane Sulfate, Tazobactam Sodium supplement interactions Every supplement checked against Ceftolozane Sulfate, Tazobactam Sodium, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Ceftolozane Sulfate, Tazobactam Sodium and Veronica?

Our pharmacists answer your medication & supplement questions — free.

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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.