Hydroxychloroquine (Oral) (Plaquenil) - Drugs Information, Side Effects, & Interactions

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Hydroxychloroquine (hye-drox-ee-KLOR-oh-kwin)

Treats or prevents malaria. Also used to treat lupus and arthritis.

Plaquenil
There may be other brand names for this medicine.

You should not use this medicine if you have ever had an allergic reaction to hydroxychloroquine.

Tablet

Your doctor will tell you how much to take and how often. You should not use this medicine more often or in greater amounts than your doctor ordered.
Take this medicine with food or milk.

If a dose is missed:

If you take one dose a week, take the missed dose as soon as possible. Then return to your regular dosing schedule.
If you take one or more doses daily, take the missed dose as soon as possible. If it is almost time for your next dose, wait until then to take your medicine and skip the missed dose.
You should not use two doses at the same time.

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
Talk to your doctor if you have vision or eye problems, liver disease, skin disorder, or any other medical problems before you take this medicine.
This medicine may cause dizziness and vision changes. Be careful while driving a car or operating machinery.

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

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