Indinavir use while Breastfeeding
Drugs containing Indinavir: Crixivan
Medically reviewed on April 11, 2017.
Indinavir Levels and Effects while Breastfeeding
Summary of Use during Lactation
In the United States and other developed countries, HIV-infected mothers should generally not breastfeed their infants. Published experience with In the United States and other developed countries, HIV-infected mothers should generally not breastfeed their infants. Published experience with indinavir during breastfeeding is limited. In countries in which no acceptable, feasible, sustainable and safe replacement feeding is available, World Health Organization guidelines recommend that all women with an HIV infection who are pregnant or breastfeeding should be maintained on antiretroviral therapy for at least the duration of risk for mother-to-child transmission. Mothers should exclusively breastfeed their infants for the first 6 months of life; breastfeeding with complementary feeding should continue through at least 12 months of life up to 24 months of life. The first choice regimen for nursing mothers is tenofovir, efavirenz and either lamivudine or emtricitabine. If these drugs are unavailable, alternative regimens include: 1) zidovudine, lamivudine and efavirenz; 2) zidovudine, lamivudine and nevirapine; or 3) tenofovir, nevirapine and either lamivudine or emtricitabine. Exclusively breastfed infants should also receive 6 weeks of prophylaxis with nevirapine.
Maternal Levels. One woman was receiving indinavir 600 mg twice daily as part of a highly-active antiretroviral combination regimen. During the first 5 days postpartum milk was collected just before and 2 hours after the dose of indinavir. Milk indinavir concentrations ranged between 90 and 540% of the maternal serum concentration. Further details on the timing, or actual breastmilk concentrations were not provided.
Infant Levels. Relevant published information was not found as of the revision date.
Effects in Breastfed Infants
Relevant published information was not found as of the revision date.
Effects on Lactation and Breastmilk
Gynecomastia has been reported among men receiving highly active antiretroviral therapy. Gynecomastia is unilateral initially, but progresses to bilateral in about half of cases. No alterations in serum prolactin were noted and spontaneous resolution usually occurred within one year, even with continuation of the regimen. Some case reports and in vitro studies have suggested that protease inhibitors might cause hyperprolactinemia and galactorrhea in some male patients, although this has been disputed. The relevance of these findings to nursing mothers is not known. The prolactin level in a mother with established lactation may not affect her ability to breastfeed.
1. Anon. Guideline: Updates on HIV and infant feeding: The duration of breastfeeding, and support from health services to improve feeding practices among mothers living with HIV. Geneva: World Health Organization. 2016. PMID: 27583316
2. World Health Organization. HIV and infant feeding: update. 2007. http://whqlibdoc.who.int/publications/2007/9789241595964_eng.pdf
3. World Health Organization. Consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection. Geneva: World Health Organization. 2013. http://www.who.int/hiv/pub/guidelines/arv2013/en/
4. Colebunders R, Hodossy B, Burger D et al. The effect of highly active antiretroviral treatment on viral load and antiretroviral drug levels in breast milk. AIDS. 2005;19:1912-5. PMID: 16227801
5. Garcia-Benayas T, Blanco F, Martin-Carbonero L et al. Gynecomastia in HIV-infected patients receiving antiretroviral therapy. AIDS Res Hum Retroviruses. 2003;19:739-41. PMID: 14585204
6. Pantanowitz L, Evans D, Gross PD, Dezube BJ. HIV-related gynecomastia. Breast J. 2003;9:131-2. PMID: 12603389
7. Evans DL, Pantanowitz L, Dezube BJ, Aboulafia DM. Breast enlargement in 13 men who were seropositive for human immunodeficiency virus. Clin Infect Dis. 2002;35:1113-9. PMID: 12384846
8. Hutchinson J, Murphy M, Harries R, Skinner CJ. Galactorrhoea and hyperprolactinaemia associated with protease-inhibitors. Lancet. 2000;356:1003-4. PMID: 11041407
9. Orlando G, Brunetti L, Vacca M. Ritonavir and saquinavir directly stimulate anterior pituitary prolactin secretion, in vitro. Int J Immunopathol Pharmacol. 2002;15:65-8. PMID: 12593790
10. Montero A, Bottasso OA, Luraghi MR et al. Galactorrhoea, hyperprolactinaemia, and protease inhibitors. Lancet. 2001;357:473-4; author reply 475. PMID: 11273087
CAS Registry Number
HIV Protease Inhibitors
LactMed Record Number
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- Drug class: protease inhibitors
Other brands: Crixivan