These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Chloroquine and proguanil pregnancy Hydroxychloroquine 200 mg side effects Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Mar 17, 2019 Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine sulfate sulfate base, and are for oral PLAQUENIL® HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION PLAQUENIL h. ydroxychloroquine sulfate is a. white or practically white. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Hydroxy chloroquine oral or sulfate Hydroxychloroquine Oral Uses, Side Effects, Interactions., Hydroxychloroquine Uses, Dosage & Side Effects - Plaquenil indicationsBloodshot eyes plaquenilPlaquenil and rosaceaPlaquenil eye screening Each hydroxychloroquine sulfate tablet intended for oral administration contains 200 mg of hydroxychloroquine sulfate equivalent to 155 mg base. Hydroxychloroquine Tablets - FDA prescribing information, side effects.. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. HYDROXYCHLOROQUINE hye drox ee KLOR oh kwin is used to treat rheumatoid arthritis and systemic lupus erythematosus. It is also used to treat malaria. Similar Brand Name Drugs Plaquenil Oral tablet 200mg Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL. Take hydroxychloroquine with a meal or a glass of milk. To prevent malaria Start taking the medicine 2 weeks before entering an area where malaria is common. Continue taking the medicine regularly during your stay and for at least 8 weeks after you leave the area.