chloroquine

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chloroquine

Pronunciation:KLOR oh kwin
Brand:Aralen Phosphate

Aralen 500 mg

round, pink, imprinted with W, A77

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Chloroquine 250 mg-GLO

round, white, imprinted with 0115 2790

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Chloroquine 500 mg-GLO

round, white, imprinted with 7010

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What is the most important information I should know about chloroquine?

dizzyUse caution when driving or performing other hazardous activities until you know how this medication affects you. Chloroquine may cause visual disturbances such as blurred vision, misty vision, and difficulty focusing. Report any vision or hearing changes to your doctor.

What is chloroquine?

Chloroquine is an antimalarial drug. The exact way that chloroquine works is unknown.

Chloroquine is used to treat and to prevent malaria. Chloroquine is also used to treat infections caused by amoebae.

Chloroquine may also be used for purposes other than those listed in this medication guide.

What should I discuss with my healthcare provider before taking chloroquine?

Before taking this medication, tell your doctor if you have

  • had a previous allergic reaction to chloroquine;
  • glucose-6-phosphate dehydrogenase (G-6-PD) deficiency;
  • psoriasis;
  • porphyria; or
  • liver disease.

You may not be able to take chloroquine, or you may require a dosage adjustment or special monitoring during your therapy if you have any of the conditions listed above.

nopregIt is not known whether chloroquine will be harmful to an unborn baby. Do not take chloroquine without first talking to your doctor if you are pregnant or could become pregnant during treatment.
nobrfeedIt is not known how chloroquine will affect a nursing infant. Do not take chloroquine without first talking to your doctor if you are breast-feeding a baby.

How should I take chloroquine?

Take chloroquine exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

waterTake each dose with a full glass of water.
foodTake chloroquine with food to lessen stomach upset.

It is important to take chloroquine regularly to get the most benefit.

rtStore chloroquine at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and only take the next regularly scheduled dose. Do not take a double dose of this medication.

What happens if I overdose?

emtSeek emergency medical attention if an overdose is suspected.

Symptoms of a chloroquine overdose include headache, drowsiness, nausea, vomiting, visual changes, seizures, difficulty breathing, and unconsciousness.

What should I avoid while taking chloroquine?

dizzyUse caution when driving or performing other hazardous activities until you know how this medication affects you. Chloroquine may cause visual disturbances such as blurred vision, misty vision, and difficulty focusing. Report any vision or hearing changes to your doctor.

What are the possible side effects of chloroquine?

emtStop taking chloroquine and seek emergency medical attention if you experience an allergic reaction (flushing; swelling of the lips, tongue, or face; difficulty breathing; closing of the throat; vision problems; rash; itching; or fever).

Other, less serious side effects may be more likely to occur. Continue to take chloroquine and talk to your doctor if you experience

  • visual disturbances such as blurred vision, misty vision, and difficulty focusing;
  • hearing loss or ringing in the ears;
  • diarrhea, nausea, stomach pain or upset, vomiting, or loss of appetite;
  • muscle weakness; or
  • a rash.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect chloroquine?

Cimetidine (Tagamet, Tagamet HB) may increase the effects of chloroquine, which could lead to toxicity. Do not take cimetidine without first talking to your doctor.

Kaolin and magnesium trisilicate may decrease the effects of chloroquine. These ingredients can be found in products such as Kaopectate Advanced Formula, Parepectolin, K-Pek, K-C, Kaodene Non-Narcotic, Kao-Spen, Gaviscon, and others.

Drugs other than those listed here may also interact with chloroquine. Do not take any other prescription or over-the-counter medicines, including vitamins, minerals, and herbal products, without first talking to your doctor.

Where can I get more information?

Your pharmacist can provide more information about chloroquine.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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