aprepitant vs methylprednisolone
Side-by-side comparison of aprepitant and methylprednisolone. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
Single 40 mg dose of aprepitant No dosage adjustment of oral dexamethasone needed Methylprednisolone Clinical Impact Increased methylprednisolone exposure [see Clinical Pharmacology ( 12.3 )]. Intervention 3-day aprepitant regimen Reduce the dose of intravenous methylprednisolone by approximately 25% Reduce the dose of oral methylprednisolone by approximately 50% Single 40 mg dose of aprepitant No dosage adjustment of methylprednisolone needed Chemotherapeutic agents that are metabolized by CYP3A4 Clinical Impact Increased exposure of the chemotherapeutic agent may increase the risk of...
Recommendation: Your doctor should reduce your dose of methylprednisolone by 25% to 50% depending on how it is given.
Emend
Medrol
Aprepitant (Emend) is a medicine that helps prevent nausea and vomiting. It belongs to a class of drugs called NK1 receptor antagonists.
Methylprednisolone (Medrol) is a corticosteroid medicine. It reduces inflammation and affects the immune system.
Aprepitant is used to prevent nausea and vomiting caused by chemotherapy. It can be used for both strong and moderate chemotherapy treatments. It is also used to prevent nausea and vomiting after surgery in adults.
This medicine can treat many conditions. It can help with allergies, skin problems, and hormone imbalances. It can also help with gut and blood disorders.
Aprepitant blocks a substance in your body called substance P. Substance P can trigger nausea and vomiting. By blocking it, aprepitant helps reduce these side effects.
Methylprednisolone reduces inflammation in the body. It also changes how your immune system works. This can help control symptoms of different diseases.
- • Tiredness
- • Diarrhea
- • Weakness
- • Upset stomach
- • Stomach pain
No common side effects listed.
- Feeling sick to your stomach 2,147
- Tiredness 1,769
- Fever 1,589
- Diarrhea 1,543
- Difficulty breathing 1,508
- Feeling very tired 7,792
- Aching or soreness 7,273
- Feeling sick to your stomach 7,212
- Pain in your head 7,058
- Fever 6,883
Aprepitant can interact with other medicines. It can affect how well warfarin (a blood thinner) and hormonal birth control work. If you take warfarin, your doctor will check your blood. If you use hormonal birth control, use a backup method while taking aprepitant and for 28 days after your last dose.
This medicine is not for injection into the spine. This can cause serious medical problems. Do not take this medicine if you have a fungal infection, unless it's a localized joint condition.
There is not enough information about the safety of aprepitant during pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if aprepitant passes into breast milk, so discuss breastfeeding with your doctor.
Tell your doctor if you are pregnant or plan to become pregnant. This medicine may harm your unborn baby. Talk to your doctor about the risks and benefits.
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How to Read This aprepitant vs methylprednisolone Comparison
aprepitant is classified in the NK1 Receptor Antagonist (Antiemetic) drug class, while methylprednisolone sits within the Corticosteroid 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, aprepitant has 8,556 submissions while methylprednisolone has 36,218. 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 moderate interaction flagged in FDA labeling, attributed to aprepitant prevents the body from breaking down methylprednisolone, which leads to higher levels of the steroid in your system.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between aprepitant and methylprednisolone - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.