Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Hydroxychloroquine flu vaccine Chloroquine retinopathy bulls eye This chloroquine remove cyanobacteria from a fish tank Benlysta and plaquenil Other adverse reactions and side effects of Aralen There have been rare reports of severe skin reactions such as erythema multiforme. Chloroquine may precipitate a severe attack of psoriasis in patients with psoriasis. People with retinal or visual field changes should not use chloroquine. Side-effects which occur at doses used in the prophylaxis or treatment of malaria are generally not serious. Overdose Chloroquine is very toxic in overdosage; overdosage is extremely hazardous and difficult to treat. Chloroquine is a relatively well-tolerated. medicine. The most common adverse reactions reported are stomach pain, nausea, vomiting, and headache. These side effects can often be lessened by taking chloroquine with food. Chloroquine may also cause itching in some people. All medicines may have some side effects. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Chloroquine adverse effects Chloroquine MedlinePlus Drug Information, CHLOROQUINE Drug BNF content published by NICE How common is chloroquine retinopathyChloroquine phosphate medicineHemozoin chloroquin Chloroquine Ocular Side Effects. Chloroquine is especially absorbed by the pigment cells in the eye. Eye side effects are serious and can result in loss of vision. The side effects may occur at anytime. The higher the dose and the longer the time of use makes it more likely to occur. Chloroquine or Hydroxychloroquine Plaquenil and the Ocular.. Medicines for the Prevention of Malaria While Traveling.. Chloroquine Phosphate chloroquine phosphate dose.. One goal of HIV research is to identify new drugs that have fewer side effects. The following side effects were observed in some of the studies of chloroquine listed above. ACTG A5258 NCT00819390 In this study, no chloroquine-related side effects were reported. 4,11. CTN 246 NCT02004314 In this study, no serious side effects related to. To do so may increase the chance of serious side effects. For patients taking chloroquine to prevent malaria Your doctor will want you to start taking this medicine 1 to 2 weeks before you travel to an area where there is a chance of getting malaria. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising.