About lenacapavir
HIV-1 capsid inhibitor
Used for
- Treats HIV-1 infection with other antiretroviral medicines when resistance limits treatment options.
Usual adult dose
Subcutaneous injection every six months, with oral loading doses at treatment initiation; used with an optimized antiretroviral regimen.
Common side effects
- Injection-site reactions
- Nausea
- Headache
- Diarrhea
Important warnings
- Must be combined with other HIV medicines; it is not a stand-alone treatment.
- Long-lasting drug levels can persist for months after stopping.
- Resistance may develop if treatment is interrupted or companion medicines fail.
- Screen for hepatitis B and monitor liver health when appropriate.
Pregnancy
Human pregnancy information is limited; use requires assessment of potential benefits and risks.
Breastfeeding
HIV can pass through breast milk; breastfeeding recommendations depend on local guidance and clinical circumstances.
Interactions
- Strong enzyme-inducing medicines, including rifampin, may lower levels and reduce effectiveness.
- May increase levels of medicines affected by CYP3A or P-glycoprotein.
- Check all medicines and supplements for interactions before use.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.