Primaquine

Targets the 'hypnozoite' stage of the malaria parasite that hides in the liver. **Must test for G6PD deficiency before use** to avoid hemolytic anemia.

Dosage by Body Weight

Standard pediatric dose: 0.25–0.5 mg/kg daily for 14 days.

Body Weight
10-15 kg
Dose
3.75 mg to 7.5 mg
Frequency
Once daily for 14 days
Tracking Notes
Tablets may need to be crushed and mixed with sweet food.

Weight-based dosage tracking table for Primaquine, including body weight, dose, frequency, and tracking notes.
Body Weight	Dose	Frequency	Tracking Notes
10-15 kg	3.75 mg to 7.5 mg	Once daily for 14 days	Tablets may need to be crushed and mixed with sweet food.

Formulation

Tablet

Purpose

Radical cure of P. vivax and P. ovale malaria to prevent relapse.

Generic Name

Primaquine Phosphate

Branded Drug Names

Primaquine is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Primahec

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

Tafenoquine

Safety Advice

Alcohol

CAUTION

Primaquine: Alcohol may worsen dehydration, stomach upset, or interfere with nutritional recovery. Avoid or limit alcohol.

Pregnancy

SAFE IF PRESCRIBED

Primaquine: Generally safe in pregnancy when used at recommended doses or as prescribed. Avoid excessive supplementation.

Breast Feeding

SAFE

Primaquine: Generally compatible with breastfeeding when used at recommended doses. Ask a healthcare provider before high-dose use.

Driving

SAFE

Primaquine: Usually does not affect driving. Avoid driving only if you feel unwell, dizzy, or weak from the underlying condition.

Liver

SAFE IF PRESCRIBED

Primaquine: Usually safe at recommended doses, but high-dose or fat-soluble vitamin use should be medically supervised in liver disease.

Kidney

CAUTION

Primaquine: Kidney disease may require avoiding or adjusting minerals and electrolytes such as potassium, magnesium, calcium, or phosphate.