primaquine phosphate - oral, Primaquine (cont.)
PRECAUTIONS: Before taking primaquine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: immune system disease (such as lupus, rheumatoid arthritis), blood problems (such as low white blood cell counts, anemia), history of blood problems due to primaquine (such as hemolytic anemia, methemoglobinemia), personal/family history of favism, low levels of certain blood enzymes (glucose-6-phosphate dehydrogenase-G6PD, NADH methemoglobin reductase).Your doctor may order a blood test to see if you have any enzyme deficiency before starting primaquine.Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).The manufacturer states that during pregnancy, this medication should be used only when clearly needed. While you are pregnant, traveling to an area with malaria places you and your infant at a much higher risk for death and other problems. The CDC recommends continuing your other malaria treatment (such as chloroquine) throughout pregnancy until delivery to prevent harm to your unborn baby (hemolytic anemia). After delivery, you may finish treatment with primaquine. Discuss the risks and benefits with your doctor.It is not known whether this drug passes into breast milk and the effect on a nursing infant is unknown. The doctor should test your infant for G6PD deficiency before breastfeeding. Consult your doctor before breast-feeding.
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