Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria (chloroquine-resistant). This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. It belongs to a class of medications known as disease-modifying antirheumatic drugs (DMARDs).
Take Plaquenil exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.Take Plaquenil with a meal or a glass of milk, unless your doctor tells you otherwise. Plaquenil is sometimes given only once per week. Choose the same day each week to take this medication if you are on a weekly dosing schedule.
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages because they may increase your risk of liver problems while you are taking this drug. This medication may make you more sensitive to the sun. Limit your time in the sun. Avoid tanning booths and sunlamps. Use sunscreen and wear protective clothing when outdoors. Tell your doctor right away if you get sunburned or have skin blisters/redness. Caution is advised when using this drug in children because they may be more sensitive to the side effects of the drug. This medication is not recommended for long-term use in children. If a child accidentally takes this medication, even a small amount can be very harmful (possibly fatal). Be sure to keep this drug out of the reach of children.
You should not use Plaquenil if you are allergic to hydroxychloroquine, or if you have a history of vision changes or damage to your retina caused by hydroxychloroquine or similar anti-malaria medications. Before using Plaquenil, tell your doctor if you are allergic to any drugs, or if you have psoriasis, porphyria, liver disease, alcoholism, or glucose-6-phosphate dehydrogenase (G-6-PD) deficiency.
Possible side effect
The most common side effcts are Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Tell your doctor right away if any of these unlikely but serious side effects occur: arm/leg/back pain, fast/irregular heartbeat, hair loss/color change, mental/mood changes (e.g., anxiety, depression, hallucinations), ringing in the ears/hearing loss, worsening of skin conditions (e.g., psoriasis).
This drug should not be used with the following medications because very serious interactions may occur: penicillamine. 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).
Consult a doctor concerning the required dosage. If you missed a dose take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing seek emergency medical help at once.
Dispense in a tight, light-resistant container. Store at room temperature up to 30°C (86°F).
The information presented at the site has a general character. Note please this information cannot be used for self-treatment and self diagnosis. You should consult with your doctor or health care adviser regarding any specific instructions of your condition. The information is reliable, but we concede it could contain mistakes. We are not responsible for any direct, indirect, special or other damage caused by use of this information on the site and also for consequences of self-treatment.