Chloroquine

Chloroquine is an antiparasitic medicine, used for the prevention and treatment of malaria. It works by killing the malaria causing parasite and stops the infection from spreading.

Chloroquine is administered as an injection by a healthcare professional. Kindly do not self-administer. Take measures to reduce the chance of being bitten by mosquitoes like using insect repellent creams on parts of your body, not covered by clothing. Spray mosquito repellent to kill any mosquitoes that may have entered rooms in spite of screening. Wear light-colored and covered clothing when you are outside after sunset.

You may experience weakness, vomiting, rash, and itching as side effects of this medicine. It may also cause stomach pain, diarrhea, loss of appetite, and nausea. You may also notice some injection site reactions like pain, swelling, or redness. Please consult your doctor if these side effects persist for a longer duration.

Inform your doctor if you have diabetes as it can lower the sugar levels in the blood. If you are diabetic, you should monitor your blood sugar regularly. It may cause blurring of vision. Therefore, regular eye examinations are recommended while on treatment with this medicine. When used long term, your doctor may monitor the amounts of the different types of blood cells in your blood regularly. Inform your doctor if you have unexplained bruising or bleeding, sore throat, fever, or a general feeling of tiredness.

• Treatment of Malaria

Treatment of Malaria
Chloroquine is used to treat malaria, a serious or life-threatening illness that is spread by a parasite that enters the human body by the bite of infected mosquitoes. It kills the infection causing parasite and stops further spread of the infection. Take it only as prescribed and refrain from taking any other medicines along with this medicine (unless advised by the doctor) as they may affect the absorption of this medicine. Do not use this medicine for treating any other condition without consulting your doctor.

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Mosquine

• Weakness
• Rash
• Headache
• Dizziness
• Vomiting
• Nausea
• Stomach pain
• Loss of appetite
• Diarrhea

Your doctor or nurse will give you this medicine. Kindly do not self administer.

Chloroquine is an antiparasitic medication that treats malaria. It works by increasing the levels of haeme in the blood, a substance toxic to the malarial parasite. This kills the parasite and stops the infection from spreading.

• Chloroquine is used for the prevention and treatment of malaria.

• Tips to reduce the chance of being bitten by mosquitoes:

  • Wear light-colored and covered clothing when you are outside after sunset.
  • Use insect repellent creams or sprays on parts of your body not covered by clothing.
  • Spray to kill any mosquitoes that may have entered rooms despite screening.

• It may cause a blurring of vision when you first start taking it. Use caution while driving or doing anything that requires concentration.

• Eye examination before and at 3–6 monthly intervals during use is required if patients are receiving Chloroquine at continuous high doses for a longer duration.

• It may cause low blood sugar levels. Monitor your blood sugar level regularly, if you are diabetic.

• When used long-term, your doctor may monitor the amounts of the different types of blood cells in your blood regularly. Inform your doctor if you have unexplained bruising or bleeding, sore throat, fever, or a general feeling of tiredness.

Vinetz JM, Clain J, Bounkeua V, et al. Chemotherapy of Malaria. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1402-405.

Furst DE, Ulrich RW, Varkey-Altamirano C. Nonsteroidal Anti-Inflammatory Drugs, Disease Modifying Antirheumatic Drugs, Nonopioids Analgesics, & Drugs Used in Gout. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 630.

Rosenthal PJ. Antiprotozoal Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 901-904.

Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 248-49.

WHO Model Prescribing Information: Drugs Used in Parasitic Diseases. 1995. PP 36-N38. [Accessed 08 Apr. 2019] (online) Available from:

Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-98. [Accessed 29 Mar. 2019] (online) Available from: