NZ Formulary

Hydroxychloroquine (for malaria)


What does it do?

Hydroxychloroquine is used to prevent and treat malaria.

How should you take it?

Take hydroxychloroquine regularly as directed. Take it with food and a glass of water.

What if you forget a dose?

Take the missed dose as soon as possible.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Reduced number of blood cells that fight infections or help your blood to clot - symptoms include: fever, chills, sore throat or generally feeling unwell, or easy or unusual bruising or bleeding

Changes in vision

Hearing loss, ringing in the ears

Numbness or tingling of the fingers or toes

Muscle weakness

Tell your doctor immediately

Skin rash, itching

Low blood sugar: symptoms may include sweating, trembling, feeling anxious or irritable

Stomach upset

Tell your doctor

If you notice any other effects, discuss them with your doctor or pharmacist.

Important information continues on next page.

Other information:

  • Tell your doctor if you have heart, kidney, blood, muscle or hearing problems, vision or eye problems, or have diabetes, psoriasis, or G6PD deficiency.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Protect yourself from too much sunlight while being treated with hydroxychloroquine. Always cover up and apply a thick layer of broad spectrum sunscreen (at least SPF 30) when outside. Do not use sunbeds.