Common clinical indications

• Radical cure (prevention of relapses) for Plasmodium vivax and Plasmodium ovale malaria (given after or during the last 2 weeks of chloroquine or comparable suppression therapy)
• Chemoprophylaxis for chloroquine-resistant Plasmodium species in travelers
• Treatment of Pneumocystis jirovecii (carinii) pneumonia in combination with clindamycin

Related drugs in this category

• Hydroxychloroquine Sulfate · Hydroxychloroquine Sulfate
• Mefloquine HCl · Mefloquine hydrochloride

Frequently asked questions

What is Primaquine Phosphate used for?

Primaquine Phosphate (Primaquine phosphate) is listed in YMed Atlas under Antimalarial. Indications, dosing, and safety information on this page summarize curated references—always confirm with current labeling, formularies, and local protocols.

How do I adjust dosing for renal impairment or special populations?

Review the dosing sections and references for this monograph. Many agents require renal or hepatic adjustment; pediatric, pregnancy, and lactation considerations are clinician-specific. This interface is educational and does not replace individualized prescribing decisions.

Is this medical advice?

No. YMed Atlas drug pages support learning and quick reference. They are not a substitute for clinical judgment, pharmacist review, or formal interaction checking with a complete medication list.