Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine uses and side effects Side effects of taking hydroxychloroquine Eye plaquenil screeniing Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Sep 13, 2019 Some side effects of hydroxychloroquine may occur that usually do not need medical attention. 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. The risk for these side effects is increased with long-term use of this medication over weeks to years and with taking this medication in high doses. List Chloroquine Phosphate side effects. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Long term side effects hydroxychloroquine Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine Side Effects Common, Severe, Long Term. Experimental chloroquine treatment marines haiti Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Chloroquine Oral Uses, Side Effects, Interactions, Pictures, Warnings.. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Nov 09, 2018 Hydroxychloroquine Side Effects. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Long-term studies in animals have not been conducted to evaluate the carcinogenic potential of PLAQUENIL. The mutagenic potential of hydroxychloroquine was not evaluated. However, chloroquine has been shown to be a catalytic inhibitor of DNA repair enzymes topoisomerase II and to produce weak genotoxic effects through this mode of action. Hydroxychloroquine is dispensed as 200 mg tablets, which is equivalent to 155 mg of the base. Hydroxychloroquine should be taken with a meal or a glass of milk to minimise the gastrointestinal side effects. Alternate-day dosing can be used.