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Darunavir Dosage for Children

Darunavir is also approved for treating HIV and AIDS in children age 3 to 18 years old. The recommended dosage varies, depending on the child's weight. Make sure your healthcare provider knows your child's current weight in order to calculate an appropriate dosage. As your child grows, the dosage will change.
Your child’s healthcare provider will decide if once-a-day or twice-a-day dosing is most appropriate for your child, based on age, previously tried HIV medications, and the results of resistance tests.

General Information on Dosing With Darunavir

Considerations for people taking darunavir include the following:
  • The medication comes in tablet and oral suspension (liquid) form. It is usually taken by mouth once or twice daily.
  • Darunavir should be taken with food.


  • For the liquid form, be sure to shake it well just before each dose. 


  • Try to take darunavir at the same times every day to maintain an even level in your blood.
  • For the medication to work properly, it must be taken as prescribed. It is very important that you closely follow your healthcare provider's instructions about taking darunavir. Missing doses can increase the chance of the virus developing resistance to the medication, thereby making it less effective.
  • If you are unsure about anything related to darunavir dosing, talk to your doctor, nurse, or pharmacist. Do not stop taking the drug without first discussing it with your healthcare provider.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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