Zidovudine Dosing

For adults who are taking zidovudine, dosing typically starts at 200 mg three times daily or 300 mg twice daily. Healthcare providers generally offer dosing recommendations for children 6 weeks to 17 years old based on height and weight. To prevent HIV transmission to an unborn child, the recommended zidovudine dosage for the mother is 100 mg five times daily.

An Introduction to Zidovudine Dosing

The dose of zidovudine (Retrovir®) that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your age
  • Your height and weight (particularly for children)
  • Other medical conditions you may have
  • Other medications (especially other HIV medications) you may be taking.
As always, do not adjust your zidovudine dose unless your healthcare provider specifically instructs you to do so.

Zidovudine Dosing for Adults With HIV or AIDS

The recommended dose of zidovudine when treating adults (over 18 years old) with HIV or AIDS is 200 mg three times daily or 300 mg twice daily. The twice-daily dose is usually preferred, since it reduces the number of pills you must take every day (known as the HIV "pill burden") and lowers the chance that you will forget to take the medicine. Zidovudine should be used in combination with other HIV medications as part of an HIV "cocktail" (this is known as Highly Active Antiretroviral Therapy, or HAART).

Zidovudine Dosing for Children With HIV or AIDS

The recommended dose of zidovudine for HIV or AIDS in children 6 weeks to 17 years old is based on height and weight. Your healthcare provider will calculate your child's body surface area using his or her current height and weight, and will recommend a zidovudine dosage based on this calculation. Alternatively, just your child's weight might be used (instead of using body surface area). The maximum dose for children in this age range is zidovudine 200 mg three times daily (or 300 mg twice daily).

AZT (Zidovudine) -- Drug Information

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