Drug & supplement interaction

Coral + Ofloxacin

Ofloxacin brand names: Oflox, Floxin, Floxin Injection, Floxin Otic.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Coral and Ofloxacin 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 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

Coral and Ofloxacin

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 Ofloxacin and Coral 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 Coral at all — not against Ofloxacin, 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.

Coral safety at a glance

Coral overall Use caution It is largely a calcium source, but quality and contamination concerns and overstated claims warrant caution.
Pregnancy Use caution Use only under medical guidance because of contamination and dosing concerns; prefer tested prenatal calcium.
Breastfeeding Use caution Safety is not well studied; choose a tested calcium product and ask your doctor.

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

Still wondering about combining Ofloxacin and Coral? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Coral and Ofloxacin 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. One of them is worth acting on rather than waiting out — marked below.

  • Liver problems Worth acting on Additional detail

    Coral

    “Surgically, coral can cause infections. However, it doesn't carry the risk of transmitting infections such as HIV, hepatitis C, and Creutzfeldt-Jakob disease. The local infection rate was 4% for coral grafts as compared to the bone allograph infection rate of 20%.”

    Coral · Natural Medicines adverse-effect record, reported in hepatitis.

    Ofloxacin

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

Reported for Coral but not commonly for Ofloxacin: a higher chance of infection.

Effects for Ofloxacin come from the ADVERSE REACTIONS section of its FDA label; effects for Coral come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 7,263 voluntary FDA FAERS reports for Ofloxacin 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.

From our Q&A

Questions About Coral or Ofloxacin

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Coral or Ofloxacin, 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 Ofloxacin

This page covers Coral only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ofloxacin page lists 145 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Apple (major), Asarabacca (major), Beer (major) and Grapefruit (major).

By severity: 8 major · 115 moderate · 22 minor.

Open the Ofloxacin interaction page

One more smart check

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

We hold 60 real supplement products containing Coral, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Coral. Even though Coral itself has no known interaction with Ofloxacin, 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 Coral and Ofloxacin 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 Coral
Steady interest

#1,023 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Ofloxacin
Top half

#1,083 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 Coral reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Coral and Ofloxacin 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 Coral

What is Coral?

  • Calcium and mineral supplementation
  • Bone health support
  • Antacid / acid reduction
  • General 'alkalizing' wellness claims
  • Trace mineral source

Coral calcium is a calcium supplement made from coral skeletons (often fossilized) that also contains small amounts of other minerals. It is essentially a form of calcium carbonate, and there is no good evidence it offers special health benefits beyond ordinary, less costly calcium supplements. Talk to your pharmacist before using it, especially because of concerns about purity, lead contamination, and exaggerated marketing claims.

Calcified skeleton (coral) used as a calcium source; 'coral calcium' · Capsules, tablets, powders, chewables

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

Coral: dosing

There is no special established dose for coral calcium beyond general calcium recommendations. The right amount of calcium depends on your age, sex, diet, and health, and total intake from food plus supplements should usually stay within recommended limits to avoid excess.Follow the product label and, ideally, look for products tested for heavy metals.

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

Read the full Coral monograph & all interactions
Medication

About Ofloxacin

What Is Ofloxacin Used For?

Brand names: Oflox, Floxin, Floxin Injection, Floxin Otic

Ofloxacin is used in several different forms, each approved for specific infections. The otic (ear) solution treats outer ear infections (otitis externa) in patients 6 months and older, chronic middle ear infections with a ruptured eardrum (chronic suppurative otitis media) in patients 12 and older, and acute middle ear infections in children 1 year and older who have ear tubes. The ophthalmic (eye) solution — including the brand Ocuflox — treats bacterial conjunctivitis (pink eye) and bacterial corneal ulcers.

Ofloxacin oral tablets treat adults with mild to moderate bacterial infections including community-acquired pneumonia, skin and skin structure infections, gonorrhea, chlamydial infections of the urethra or cervix, mixed urethral/cervical infections, and acute pelvic inflammatory disease. The oral tablet is also used for acute bacterial exacerbations of chronic bronchitis and uncomplicated cystitis, but only when no other treatment options are available, due to serious risk concerns with this drug class.

Most-Reported Side Effects for Ofloxacin

From FAERS, the FDA’s public side-effect reporting system (7,263 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Eye pain 348 reports
Headache 289 reports
Fatigue 272 reports
Nausea 260 reports
Arthralgia 256 reports
See full Ofloxacin drug information
Keep checking

Other Drugs & Coral

Browse every other medication we’ve checked against Coral — 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

Coral References

The 5 references that drive our Coral 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. Schulz A, Hilgers RD, Niedermeier W. The effect of splinting of teeth in combination with reconstructive periodontal surgery in humans. Clin Oral Investig 2000;4:98-105.. PubMed
  2. Vuola J, Bohling T, Kinnunen J, et al. Natural coral as bone-defect-filling material. J Biomed Mater Res 2000;51:117-22.. DOI
  3. Thalgott JS, Klezl Z, Timlin M, Giuffre JM. Anterior lumbar interbody fusion with processed sea coral (coralline hydroxyapatite) as part of a circumferential fusion. Spine 2002;27:E518-25.. PubMed
  4. Marchac D, Sandor G. Use of coral granules in the craniofacial skeleton. J Craniofac Surg 1994;5:213-7. PubMed
  5. Roux FX, Brasnu D, Menard M, et al. Madreporic coral for cranial base reconstruction. 8 years experience. Acta Neurochir (Wien) 1995;133:201-205. 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 Coral and Ofloxacin Together: Common Questions

Is it safe to take Coral with Ofloxacin?
We do not list a known interaction between Coral and Ofloxacin. 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 Coral and Ofloxacin 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.
Does Ofloxacin interact with any supplements?
Yes. Ofloxacin has documented interactions with 145 supplements in our database — Coral is not one of them. The Ofloxacin 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 Ofloxacin and Coral?

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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.