metoclopramide vs posaconazole

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Side-by-side comparison of metoclopramide and posaconazole. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

major Known Drug Interaction

Interaction Drug Interaction Rifabutin, phenytoin, efavirenz, cimetidine, esomeprazole* Avoid coadministration unless the benefit outweighs the risks ( 7.6 , 7.7 , 7.8 , 7.9 ) Other drugs metabolized by CYP3A4 Consider dosage adjustment and monitor for adverse effects and toxicity ( 7.1 , 7.10 , 7.11 ) Digoxin Monitor digoxin plasma concentrations ( 7.12 ) Fosamprenavir, metoclopramide* Monitor for breakthrough fungal infections ( 7.6 , 7.13 ) *The drug interactions with esomeprazole and metoclopramide do not apply to posaconazole tablets. 7.13 Gastrointestinal Motility Agents Concomitant...

Drug Class
metoclopramide Prokinetic / Antiemetic
posaconazole Azole Antifungal
Type
metoclopramide Prescription
posaconazole Prescription
Summary
metoclopramide

Metoclopramide is a drug that helps with stomach problems. It can help food move faster through your stomach and reduce nausea.

posaconazole

Posaconazole is an antifungal medicine. It helps prevent certain fungal infections in people with weakened immune systems.

What It Treats
metoclopramide

This medicine treats heartburn caused by acid reflux when other treatments don't work. It also helps with symptoms of slow stomach emptying in people with diabetes, like nausea, vomiting, and feeling full. This medicine is for adults and should not be used for more than 12 weeks.

posaconazole

Posaconazole prevents Aspergillus and Candida infections. You may need this medicine if you have a high risk of getting these infections. This often includes people who had a stem cell transplant or have certain blood cancers and are on chemotherapy.

How It Works
metoclopramide

Metoclopramide helps your stomach muscles move faster. This helps food empty from your stomach more quickly. It also blocks a chemical in your brain that causes nausea.

posaconazole

Posaconazole belongs to a class of drugs called azole antifungals. It works by stopping the growth of fungi. This helps your body fight off the infection.

Common Side Effects
metoclopramide
  • Restlessness
  • Drowsiness
  • Fatigue
  • Feeling tired
posaconazole
  • Diarrhea
  • Nausea
  • Fever
  • Vomiting
  • Headache
FAERS Reports
metoclopramide
  • Tardive Dyskinesia 13,205
  • Extrapyramidal Disorder 11,628
  • Nervous System Disorder 7,175
  • Dystonia 6,661
  • Pain 4,666
posaconazole
  • Febrile Neutropenia 1,017
  • Drug Interaction 930
  • Death 928
  • Pyrexia 850
  • Neutropenia 705
Serious Warnings
metoclopramide

Metoclopramide can cause a serious movement disorder called tardive dyskinesia. This may not go away even after you stop taking the medicine. The risk of tardive dyskinesia increases with long-term use and high doses. Call your doctor right away if you have uncontrolled muscle movements.

posaconazole

Posaconazole can interact with many other medicines. It can cause heart rhythm problems (QT prolongation). It can also cause liver problems. Tell your doctor about all the medicines you take.

Pregnancy
metoclopramide

Tell your doctor if you are pregnant or plan to become pregnant. It is not known if this medicine will harm your unborn baby. Talk to your doctor about the risks and benefits of taking this medicine while breastfeeding.

posaconazole

Posaconazole may harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if posaconazole passes into breast milk, so talk to your doctor if you are breastfeeding.

Also Compare, Nearby Drugs

How to Read This metoclopramide vs posaconazole Comparison

metoclopramide is classified in the Prokinetic / Antiemetic drug class, while posaconazole sits within the Azole Antifungal class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, metoclopramide has 43,335 submissions while posaconazole has 4,430. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known major interaction flagged in FDA labeling, attributed to metoclopramide speeds up how fast medicine moves through the digestive system, which can lower the amount of posaconazole that gets absorbed.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for metoclopramide or posaconazole.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.