Generic Name: Chloroquine (KLOR oh kwin)
Brand Name: Aralen
Uses of Aralen:
- It is used to treat or prevent malaria.
- It is used to treat a type of bowel infection.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Aralen?
- If you have an allergy to chloroquine phosphate or any other part of Aralen (chloroquine).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have ever had any eye changes or changes in eyesight.
- If you have psoriasis.
- If you have porphyria.
- If you are taking cimetidine.
- If you are taking tamoxifen.
- If you are breast-feeding or plan to breast-feed.
This is not a list of all drugs or health problems that interact with this medicine.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Aralen with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Aralen?
For all uses of Aralen:
- Tell all of your health care providers that you take Aralen. This includes your doctors, nurses, pharmacists, and dentists.
- A very bad eye problem has happened with this medicine. This may lead to long-lasting eyesight damage. The risk may be higher in older people if Aralen is used for a long time or if a higher dose of this medicine is used. Talk with the doctor.
- Have an eye exam as you have been told by your doctor.
- Be careful if you have G6PD deficiency. Anemia may happen.
- Have your blood work checked if you are on Aralen for a long time. Talk with your doctor.
- Talk with your doctor before you drink alcohol.
- Some other drugs may need to be taken at some other time than this medicine. If you take other drugs, check with your doctor or pharmacist to see if you need to take them at some other time than Aralen.
- If you are taking cyclosporine, talk with your doctor. You may need to have your blood work checked more closely while you are taking it with this medicine.
- This medicine may make you sunburn more easily. Use care if you will be in the sun. Tell your doctor if you sunburn easily while taking this drug.
- Low blood sugar has happened with Aralen. Sometimes, this has been very bad and could be life-threatening. Talk with the doctor.
- Check your blood sugar as you have been told by your doctor.
- A very bad and sometimes deadly reaction has happened with this medicine. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. Talk with the doctor.
- Keep away from children. Accidental exposure may cause death. If a child takes Aralen (chloroquine) by accident, get medical help right away.
- If you are 65 or older, use this medicine with care. You could have more side effects.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Aralen while you are pregnant.
- Other measures are needed along with this medicine including using screens, bed netting, insect repellent (10% to 35% DEET), and permethrin spray on clothing and nets. Avoid spraying most insect repellents on children. Lower evening and night-time outdoor activity.
- If you are a pregnant woman and traveling to a malaria infested place, talk to your doctor about the risks first.
How is this medicine (Aralen) best taken?
Use Aralen as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take with or without food. Take with food if it causes an upset stomach.
- Be sure you know how to take this medicine. Talk with your doctor if you have questions.
- To gain the most benefit, do not miss doses.
- Keep taking Aralen as you have been told by your doctor or other health care provider, even if you feel well.
- Do not take antacids or kaolin within 4 hours of this medicine.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
For all uses of Aralen:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating.
- Change in eyesight, eye pain, or very bad eye irritation.
- Trouble controlling body movements.
- Mood changes.
- Change in how you act.
- Not able to sleep.
- Feeling confused.
- Hallucinations (seeing or hearing things that are not there).
- Change in hearing.
- Ringing in ears.
- Muscle pain or weakness.
- A burning, numbness, or tingling feeling that is not normal.
- Fever or chills.
- Sore throat.
- Any unexplained bruising or bleeding.
- Feeling very tired or weak.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- Heart problems like heart failure and certain very bad abnormal heartbeats have happened with this medicine. Sometimes, these heart problems have been deadly. Call your doctor right away if you have a fast or abnormal heartbeat; very bad dizziness or passing out; or shortness of breath, a big weight gain, or swelling in the arms or legs.
- Fever that happens while in or after coming back from the malaria area.
What are some other side effects of Aralen?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Belly pain.
- Stomach cramps.
- Not hungry.
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- Change in color of skin.
- Change in color of hair.
- Hair loss.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Aralen?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
Consumer Information Use and Disclaimer
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Aralen, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Aralen. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using Aralen (chloroquine).
Review Date: November 1, 2017
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