Primaquine - oral

Patient Medicine Information
Why do I need this medicine?
Primaquine is used for the treatment and prevention of malaria.
How do I take this medicine?
Take Primaquine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

This medicine should be taken with food or immediately after a meal to minimise stomach discomfort.

Take Primaquine at regular intervals for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor.

Do not skip any doses. To clear the infection, you must complete the entire course of this medicine. If you don't, the infection will not clear completely.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

If you often forget to take your medicine, let your doctor and pharmacist know.
When should I not use this medicine?
Alert your doctor if you have rheumatoid arthritis and an allergic condition which causes joint pain, skin rashes and fever called “Systemic lupus erythematosus or SLE”, as Primaquine may not be suitable for you.

Do not take Primaquine together with medicines to treat worm or parasitic infections such as quinacrine.
What should I take note of while taking this medicine?
Inform your doctor if you have any inherited conditions e.g. G6PD deficiency or NADH methaemoglobin reductase deficiency.

Let your doctor know if you are pregnant or breastfeeding.

For as long as you are taking Primaquine, you will need to have regular blood tests to check your body's response to the medicine. Your doctor will advise you about how often you need to have blood tests.
What side effects could I experience?
Primaquine may cause any of the following side effects: headache, nausea, vomiting, stomach cramps, itching and rash.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Do not take Primaquine together with medicines to treat worm or parasitic infections such as quinacrine and mepacrine.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on primaquine - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 MIMS. All rights reserved. Powered by
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