Cabenuva (cabotegravir / rilpivirine) is a long-acting combination medication used to treat human immunodeficiency virus (HIV) infection in certain adults and teens. It includes two injections — cabotegravir and rilpivirine — which are from different classes of antiviral medications. A healthcare professional gives both shots in the buttock muscle either once a month or every other month. It’s meant for people whose HIV is already well controlled and who haven’t had treatment failure. The most common side effects are injection-site reactions, such as pain, redness, and hardening of the skin where the shot is given.
HIV treatment
Cabenuva (cabotegravir / rilpivirine) is a combination of 2 medications:
Cabotegravir is an integrase inhibitor. It works by blocking an enzyme (protein) called integrase that HIV uses to insert its genetic material into your cells. By stopping this step, the virus can’t spread and grow in your body.
Rilpivirine is a non-nucleoside reverse transcriptase inhibitor (NNRTI). It works by blocking an enzyme called reverse transcriptase, which HIV needs to make copies of itself.
Source: DailyMed
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
Long-acting, complete HIV injectable medication
Injected once every month or every other month
Works well at keeping the viral load down
Commonly causes injection site reactions
Must be injected in the buttock muscle
Requires regular visits to a healthcare professional for injections
It's important to keep taking Cabenuva (cabotegravir / rilpivirine) and show up to all scheduled appointments. Staying on track helps keep the virus under control and lowers the risk of it becoming resistant to the medication.
Each time you get Cabenuva (cabotegravir / rilpivirine), you'll receive two injections — one in each buttock or both in the same buttock at least 2 cm apart. And you’ll usually get these shots at your prescriber’s office or clinic.
If you're switching from Vocabria (cabotegravir) and Edurant (rilpivirine) tablets to Cabenuva (cabotegravir / rilpivirine) injections, follow your prescriber's instructions closely. You're likely to get your first injection on the same day you take your last doses of the tablets.
Missing your Cabenuva (cabotegravir / rilpivirine) injection can make it easier for HIV to become harder to treat. If you miss or plan to miss a dose by more than 7 days, speak to your prescriber right away. You might need to take tablets for up to 2 months until you can restart injections.
Plan to stay for a few minutes after your appointment, since your care team will watch you for side effects after your Cabenuva (cabotegravir / rilpivirine) injection. Let them know if you feel dizzy, have chest pain, trouble breathing, or swelling in your mouth or throat.
Liver problems have been reported with Cabenuva (cabotegravir / rilpivirine). Your prescriber might want to check your liver with blood tests during treatment. Let your care team know if you notice signs like yellow skin or eyes, dark urine, or stomach pain.
Cabenuva (cabotegravir / rilpivirine) can interact with other medications. Tell your care team about all prescriptions, over-the-counter medications, and supplements you take before starting.
Call your care team right away if you get a rash while taking Cabenuva (cabotegravir / rilpivirine). Get medical help if the rash comes with fever, mouth sores, swelling, or trouble breathing. These could be signs of a serious allergic reaction.
Depression and mood changes have been reported with Cabenuva (cabotegravir / rilpivirine). Let your care team know if you feel sad, hopeless, or have thoughts of self-harm. They can help decide if you should continue treatment.
If you're pregnant or planning to get pregnant, talk to your prescriber about the risks and benefits. The medication stays in your body for a long time, and there isn't much data on its safety during pregnancy. It's also recommended that you enroll in a registry to track how this medication affects people in pregnancy.
If you're breastfeeding, talk to your prescriber before starting Cabenuva (cabotegravir / rilpivirine). It's usually recommended to feed your baby with formula or donor breast milk since it's the safest way to avoid passing the virus to your baby.
Cabenuva (cabotegravir / rilpivirine) can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
Some people have had serious allergic reactions while taking medications that contain cabotegravir and rilpivirine, like Cabenuva (cabotegravir / rilpivirine). These reactions can include rare but life-threatening conditions like Stevens-Johnson syndrome (SJS) or toxic epidermal necrolysis (TEN), which can cause rash, fever, and problems with organs like your liver.
If you notice signs of a serious reaction — such as a bad rash, fever, tiredness, muscle pain, mouth sores, red or swollen eyes, face swelling, or trouble breathing — get medical help right away. To help lower this risk, your prescriber might have you take Vocabria (cabotegravir) and Edurant (rilpivirine) tablets first before starting injections.
People who receive Cabenuva (cabotegravir / rilpivirine) can sometimes experience a serious reaction right after the injection. This can include dizziness, trouble breathing, chest or back pain, stomach cramps, a rash, or numbness in the mouth. Most reactions are mild and usually go away within a few minutes. Your care team will watch you for about 10 minutes after each injection to make sure the medication is safe for you.
Risk factor: History of liver problems
Cabenuva (cabotegravir / rilpivirine) can sometimes cause serious liver problems, but this is rare. Your risk might be higher if you've had liver problems before. Be sure to tell your prescriber about your medical history before starting this medication so they can help you take it safely. While you're taking Cabenuva (cabotegravir / rilpivirine), you might need regular blood tests to check your liver. Call your prescriber right away if you notice signs of liver damage, like feeling very tired, pain in the upper right side of your stomach, yellow skin or eyes, or dark urine.
Mood changes, including depression and suicidal thoughts of behavior, have been reported in some people taking Cabenuva (cabotegravir / rilpivirine). If you or someone close to you notices any changes in your mood, call your prescriber right away. They will help decide if it’s safe for you to keep taking Cabenuva (cabotegravir / rilpivirine).
Cabenuva (cabotegravir / rilpivirine) can interact with many other medications. These interactions can lead to side effects, making the medication not work as it should for preventing HIV. Before and while taking Cabenuva (cabotegravir / rilpivirine), tell your prescriber about everything you take — prescription, over-the-counter products, and supplements — so they can help manage any possible interactions.
After you stop taking Cabenuva (cabotegravir / rilpivirine), small amounts of the medication can stay in your body for up to 12 months or longer. That’s why it’s very important to stick to your injection schedule — either every month or every other month. Missing doses can raise your risk of getting HIV and make the virus harder to treat if you do get infected.
Cabenuva (cabotegravir / rilpivirine) is approved for adults and teens ages 12 and older, weighing at least 35 kg (77 lbs). The dose depends on how often you get the injections.
Once-a-month: The typical starting dose is two separate injections — 600 mg of cabotegravir and 900 mg of rilpivirine — into the buttock muscle for the first month. Afterwards, the maintenance dose is 2 separate injections — 400 mg of cabotegravir and 600 mg of rilpivirine — given once a month.
Every-other-month: The typical starting dose is two separate injections — 600 mg of cabotegravir and 900 mg of rilpivirine — into the buttocks muscle once a month for the first 2 months. Afterwards, the maintenance dose is the same — 600 mg of cabotegravir and 900 mg of rilpivirine — given once every other month starting at month 4.
*Note: Before starting Cabenuva (cabotegravir / rilpivirine), your prescriber might have you take Vocabria (cabotegravir) and Edurant (rilpivirine) tablets by mouth for about a month to make sure you can tolerate the injections.
Taking certain seizure medications that cause Cabenuva (cabotegravir / rilpivirine) to not work as well (e.g., carbamazepine, oxcarbazepine, phenobarbital, phenytoin)
Taking certain antibiotics that cause Cabenuva (cabotegravir / rilpivirine) to not work as well (e.g., rifampin, rifapentine)
Taking more than one dose of dexamethasone
Taking St. John's wort
HIV treatment for people who are well controlled on an HIV ARV regimen already and want to switch regimens
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The Antiretroviral Pregnancy Registry. (2025). Information for Patients.
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