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This drug should not be used with the following medications because very serious interactions may occur: penicillamine.

If you are currently using this medication, tell your doctor or pharmacist before starting hydroxychloroquine.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: digoxin, drugs that may be harmful to your liver (e.g., high doses of acetaminophen, isoniazid).

Check the labels on all your medicines because they may contain acetaminophen. Ask your pharmacist about the safe use of those products.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include fainting, slow/irregular heartbeat, extreme excitability, slow/shallow breathing, seizures, loss of consciousness.

NOTES: Do not share this medication with others.

If used for prolonged periods, laboratory and/or medical tests (e.g., liver function tests, eye exams, complete blood count) may be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

When traveling in an area at risk for malaria, use protective clothing, insect repellent, and bed nets. Remain indoors or in well-screened areas when possible. If you are taking this medication to prevent or treat malaria, use it for your current travel or condition only. Do not use it later to prevent or treat another infection unless told to do so by your doctor. A different medication may be necessary in those cases.

MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store at room temperature up to 86 degrees F (30 degrees C) away from moisture and light. Do not store in the bathroom. Children are very sensitive to the effects of this medication. It is important to keep this and all medications out of the reach of children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Information last revised May 2010 Copyright(c) 2010 First DataBank, Inc.