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darunavir vs prednisone

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

minor Known Drug Interaction

Alternative corticosteroids including beclomethasone, prednisone and prednisolone (for which PK and/or PD are less affected by strong CYP3A inhibitors relative to other steroids) should be considered, particularly for long term use.

Recommendation: Prednisone is a preferred choice if you need a steroid while taking darunavir, particularly for long-term use.

Drug Class
darunavir HIV Protease Inhibitor
prednisone Corticosteroid
Type
darunavir Prescription
prednisone Prescription
Summary
darunavir

Darunavir is a medicine used to treat HIV. It belongs to a class of drugs called protease inhibitors and must be taken with ritonavir.

prednisone

Prednisone is a steroid medicine that reduces inflammation in the body. It can treat many different conditions.

What It Treats
darunavir

Darunavir is used to treat HIV-1 infection in adults and children 3 years and older. It must be taken with ritonavir and other HIV medicines. Darunavir helps to lower the amount of HIV in your body.

prednisone

Prednisone treats conditions like arthritis, severe allergies, asthma, skin problems, and certain cancers. It can also help with lung diseases and problems with your hormone levels. Prednisone can also be used to reduce protein in the urine due to kidney problems.

How It Works
darunavir

Darunavir is a protease inhibitor. It works by blocking an enzyme called protease that HIV needs to make copies of itself. This helps to slow down the spread of HIV in your body.

prednisone

Prednisone is a corticosteroid that works by decreasing inflammation. It suppresses your immune system, which reduces swelling and other immune responses. This helps control the symptoms of various diseases.

Common Side Effects
darunavir
  • Diarrhea
  • Nausea
  • Rash
  • Headache
  • Abdominal pain
prednisone
  • Fluid retention
  • Mood changes
  • Weight gain
  • Increased appetite
  • High blood pressure
FAERS Reports
darunavir
  • Baby exposed to drug during pregnancy 1,150
  • Interaction between medicines 981
  • Pain 889
  • Emotional upset 812
  • Worry 811
prednisone
  • Feeling tired 39,610
  • Aches and discomfort 36,922
  • Difficulty breathing 33,812
  • Joint pain 32,401
  • The condition got worse 27,785
Serious Warnings
darunavir

Darunavir can cause liver problems. Your doctor should check your liver before you start taking darunavir and during treatment. Tell your doctor right away if you have any signs of liver problems, such as yellowing of the skin or eyes.

prednisone

If you take prednisone for a long time, your body may not produce enough of its own natural steroids. This can make it hard for your body to respond to stress, like during an illness or surgery. You should not stop taking prednisone suddenly, as this can cause serious withdrawal symptoms.

Pregnancy
darunavir

Tell your doctor if you are pregnant or plan to become pregnant. The recommended dose during pregnancy is 600 mg twice daily with ritonavir 100mg and food. Women with HIV should not breastfeed because HIV can be passed to the baby through breast milk.

prednisone

Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. Prednisone may harm an unborn baby. It can also pass into breast milk and may affect the nursing infant.

Also Compare, Nearby Drugs

How to Read This darunavir vs prednisone Comparison

darunavir is classified in the HIV Protease Inhibitor drug class, while prednisone 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, darunavir has 4,643 submissions while prednisone has 170,530. 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 minor interaction flagged in FDA labeling, attributed to darunavir can interfere with how the body handles many steroids, but prednisone is less affected by this process than other options.. 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 darunavir and prednisone - 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.