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darunavir vs lurasidone

Side-by-side comparison of darunavir and lurasidone. 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

Antipsychotics: lurasidone ↑ lurasidone Co-administration is contraindicated due to potential for serious and/or life-threatening reactions.

Recommendation: This combination should not be used because it can cause life-threatening reactions.

Drug Class
darunavir HIV Protease Inhibitor
lurasidone Atypical Antipsychotic
Type
darunavir Prescription
lurasidone 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.

lurasidone

Lurasidone (Latuda) is a medicine used to treat schizophrenia and bipolar depression. It helps to balance chemicals in the brain.

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.

lurasidone

Lurasidone is used to treat schizophrenia in adults and teens ages 13-17. It also treats the depressive phase of bipolar disorder in adults and children ages 10-17. In adults, it can be used alone or with lithium or valproate for bipolar depression.

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.

lurasidone

Lurasidone is an atypical antipsychotic. It works by affecting certain chemicals in the brain, such as dopamine and serotonin. This helps to improve mood, thinking, and behavior.

Common Side Effects
darunavir
  • Diarrhea
  • Nausea
  • Rash
  • Headache
  • Abdominal pain
lurasidone
  • Feeling sleepy
  • Feeling restless and needing to move
  • Nausea
  • Weight gain
  • Trouble sleeping
FAERS Reports
darunavir
  • Baby exposed to drug during pregnancy 1,150
  • Interaction between medicines 981
  • Pain 889
  • Emotional upset 812
  • Worry 811
lurasidone
  • Feeling worried or nervous 1,223
  • Feeling strange or not like yourself 1,166
  • Feeling sad or hopeless 1,120
  • Gaining weight 1,077
  • Feeling sleepy 1,066
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.

lurasidone

This medicine has two important warnings: * **Increased risk of death in elderly people with dementia:** If you are an older adult with dementia-related psychosis, this medicine may increase your chance of death. Lurasidone is not approved for this condition. * **Increased risk of suicidal thoughts and behaviors:** Antidepressants may increase the risk of suicidal thoughts and behaviors in children, teens, and young adults. Your doctor will need to watch you closely for worsening mood or suicidal thoughts.

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.

lurasidone

Tell your doctor if you are pregnant or plan to become pregnant. Babies born to mothers who take this medicine in the last 3 months of pregnancy may have withdrawal symptoms or other problems after birth. Talk to your doctor about the risks and benefits of taking lurasidone during pregnancy.

Also Compare, Nearby Drugs

How to Read This darunavir vs lurasidone Comparison

darunavir is classified in the HIV Protease Inhibitor drug class, while lurasidone sits within the Atypical Antipsychotic 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 lurasidone has 5,652. 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 darunavir causes lurasidone to build up in the body to unsafe levels.. 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 lurasidone - 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.