Drug & supplement interaction

Blood Type Diet + Cefprozil

Cefprozil brand name: Cefzil.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Blood Type Diet and Cefprozil 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

Blood Type Diet and Cefprozil

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 Cefprozil and Blood Type Diet in our sources. This does not guarantee that the combination is completely free of risk — research on Blood Type Diet alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Blood Type Diet at all — not against Cefprozil, 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.

Blood Type Diet is an eating pattern rather than something you take. Ask your pharmacist or doctor before changing how you eat while on a prescribed medicine: some medicines are dosed around meals, and a change in diet can change how they work. 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.

Blood Type Diet safety at a glance

Blood Type Diet overall Use caution The diet itself is generally food-based, but restricting whole food groups may lead to nutrient gaps.
Pregnancy Use caution Restrictive eating plans may limit needed nutrients during pregnancy; check with your doctor first.
Breastfeeding Use caution Avoid overly restrictive versions while nursing and ensure adequate calories and nutrients.

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

Still wondering about combining Cefprozil and Blood Type Diet? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Cefprozil’s Own FDA Label Lists

This is not an interaction — none of it involves Blood Type Diet. These are the most notable effects listed in the ADVERSE REACTIONS section of Cefprozil’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 follow Blood Type Diet and take the medicine.

  • Stomach pain
  • Diarrhea
  • Vomiting
  • Nausea

From the ADVERSE REACTIONS section of the FDA label for Cefprozil. Read the label on DailyMed › Where a percentage is shown, it is the share of 780 voluntary FDA FAERS reports for Cefprozil that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Blood Type Diet’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Blood Type Diet side to compare — that is a limit of the record, not a statement that Blood Type Diet has no side effects.

From our Q&A

Questions About Blood Type Diet or Cefprozil

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

This page covers Blood Type Diet only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Cefprozil page lists 60 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 · 46 moderate · 11 minor.

From our pharmacist’s overview on the Cefprozil page

“Cefprozil (Cefzil) is a cephalosporin antibiotic, usually a short course for ear, sinus, throat, or skin infections, and three of the 60 supplements on this list warrant real caution even for a week of pills. Activated charcoal can bind the drug and pull it out of your system before it works.”

Reviewed by 2 · Jul 18, 2026

Open the Cefprozil interaction page

How much people look this up

Where Blood Type Diet and Cefprozil 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 Blood Type Diet
Steady interest

#1,350 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Cefprozil
Steady interest

#2,216 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 Blood Type Diet reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Blood Type Diet and Cefprozil 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 .
Eating pattern

About Blood Type Diet

What is Blood Type Diet?

  • Weight loss
  • General wellness
  • Heart health
  • Digestive health
  • Reducing inflammation

The Blood Type Diet claims that eating foods matched to your ABO blood type improves health and weight, but good-quality studies have not shown that blood type determines who benefits from a given diet. Any health improvements people see are more likely from simply eating more whole, unprocessed foods. Talk to a pharmacist or doctor before making big changes, especially if you have a health condition.

Eating plan (whole-food diet based on ABO blood type)

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

Blood Type Diet: dosing

There is no "dose" for the Blood Type Diet — it is an eating pattern, not a pill. Followers are given food lists for their blood type and adjust meals accordingly.If you want to try it, focus on the healthy parts (more whole foods, fewer processed foods) and make sure you still get a full range of nutrients. A pharmacist, doctor, or registered dietitian can help you plan a balanced version and decide whether any supplement, such as a multivitamin, is needed.

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

Read the full Blood Type Diet monograph & all interactions
Medication

About Cefprozil

What Is Cefprozil Used For?

Brand name: Cefzil

Cefprozil tablets and oral suspension are both used to treat mild to moderate bacterial infections in adults and children. Approved uses include pharyngitis/tonsillitis (strep throat), acute sinusitis, otitis media (ear infections), acute bacterial exacerbation of chronic bronchitis, and uncomplicated skin and skin-structure infections.

Cefprozil tablets are also approved for secondary bacterial infection of acute bronchitis. Because antibiotic resistance is a real concern, cefprozil should only be used when the infection is proven or strongly suspected to be caused by bacteria that respond to it.

Most-Reported Side Effects for Cefprozil

From FAERS, the FDA’s public side-effect reporting system (780 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Chronic kidney disease 89 reports
Drug hypersensitivity 73 reports
Cough 64 reports
Acute kidney injury 59 reports
Dyspnea 59 reports
See full Cefprozil drug information
Keep checking

Other Drugs & Blood Type Diet

Browse every other medication we’ve checked against Blood Type Diet — 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 Blood Type Diet 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 Blood Type Diet list.

See the full Blood Type Diet interactions page
See every supplement checked against Cefprozil, ranked by severity
Evidence & sources

Blood Type Diet References

The 1 references that drive our Blood Type Diet 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. Barnard ND, Rembert E, Freeman A, Bradshaw M, Holubkov R, Kahleova H. Blood Type Is Not Associated with Changes in Cardiometabolic Outcomes in Response to a Plant-Based Dietary Intervention. J Acad Nutr Diet. 2020;S2212-2672(20)31197-7. 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

Following Blood Type Diet While Taking Cefprozil: Common Questions

Is it safe to follow Blood Type Diet while taking Cefprozil?
We do not list a known interaction between Blood Type Diet and Cefprozil. 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 Cefprozil interact with any supplements?
Yes. Cefprozil has documented interactions with 60 supplements in our database — Blood Type Diet is not one of them. The Cefprozil 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

Blood Type Diet monograph Uses, safety profile, and every drug interaction in one place Cefprozil drug information The full plain-English guide to this medication Cefprozil supplement interactions Every supplement checked against Cefprozil, 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 Cefprozil and Blood Type Diet?

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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.