ketoconazole vs methylprednisolone
Side-by-side comparison of ketoconazole 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
Hepatic Enzyme Inhibitors (e.g., ketoconazole, macrolide antibiotics such as erythromycin and troleandomycin): Drugs which inhibit cytochrome P450 3A4 have the potential to result in increased plasma concentrations of corticosteroids. Ketoconazole : Ketoconazole has been reported to significantly decrease the metabolism of certain corticosteroids by up to 60%, leading to an increased risk of corticosteroid side effects.
Recommendation: Your doctor may need to lower your steroid dose while you are taking ketoconazole. Monitor yourself closely for any new or worsening steroid side effects.
Nizoral
Medrol
Ketoconazole shampoo is an antifungal medicine. It treats a fungal infection on your skin.
Methylprednisolone (Medrol) is a corticosteroid medicine. It reduces inflammation and affects the immune system.
This shampoo treats tinea versicolor, a fungal infection. This infection can cause patches on your skin that are lighter or darker than the surrounding skin. These patches may appear on your trunk, neck, arms, and upper thighs.
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.
Ketoconazole is an antifungal medicine. It works by stopping the growth of the fungus. This helps to clear up the infection.
Methylprednisolone reduces inflammation in the body. It also changes how your immune system works. This can help control symptoms of different diseases.
No common side effects listed.
No common side effects listed.
- Feeling tired 929
- Itching 902
- Feeling sick to your stomach 834
- Skin breakout 802
- Loose stool 760
- 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
You should not use this shampoo if you are allergic to ketoconazole or any of the other ingredients.
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.
It is not known if ketoconazole shampoo can harm an unborn baby. Talk to your doctor if you are pregnant or breastfeeding before using this medicine.
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 ketoconazole vs methylprednisolone Comparison
ketoconazole is classified in the Azole Antifungal 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 split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, ketoconazole has 4,227 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 ketoconazole blocks the enzymes that normally break down the steroid in your body. this causes the steroid levels to rise, which increases the risk of side effects.. 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 ketoconazole 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.