Paromomycin for treatment of giardiasis

Paromomycin is less effective than other medicines used to treat giardiasis, with a cure rate of just 60% to 70%.1 But it appears to be a safe alternative when treatment of giardiasis is necessary during pregnancy.

Paromomycin is given in capsule form several times a day for 5 to 10 days. Follow-up testing may be necessary to make sure treatment has been effective. Common side effects can include headaches, dizziness, abdominal cramps, and nausea.


  1. Hill DR (2005). Giardia lamblia. In GL Mandell et al., eds., Principles and Practice of Infectious Disease, 6th ed., vol. 2, pp. 3198–3205. Philadelphia: Elsevier.

Last Updated: September 27, 2009

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