This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Using pei vs chloroquine Pepto bismol and plaquenil Chloroquine and hydroxychloroquine retinopathy rare if recommended dose limits followed Once visual symptoms develop, they cannot be reversed, and may worsen even if medication stopped Monitoring with visual fields, optical coherence tomography, and electroretinography allows earlier detection of toxicity and may prevent disabling vision loss Some side effects of chloroquine 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. However, despite their varying therapeutic dosage and toxicity, both drugs have similar clinical indications and side effects. One of their most serious side effects is retinal toxicity, referred to as 4AQ retinopathy or chloroquine retinopathy, which must be screened for in all cases of long-term use. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Chloroquine side effects mnemonic Chloroquine - FDA prescribing information, side effects and uses, Chloroquine Side Effects Common, Severe, Long Term - Hydroxychloroquine and ranitidine If you are taking chloroquine phosphate for a long period of time, your doctor will recommend frequent eye exams. It is very important that you keep these appointments. Chloroquine phosphate can cause serious vision problems. If you experience any changes in vision, stop taking chloroquine phosphate and call your doctor immediately. Chloroquine MedlinePlus Drug Information. Chloroquine and hydroxychloroquine – Knowledge for medical.. Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs. 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. Plaquenil hydroxychloroquine is an effective medication for autoimmune conditions and malaria that comes with less side effects than other DMARDs. Effectively prevents and treats malaria, and treats a certain type of intestinal infection but can cause serious side effects in certain people. Chloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria and to prevent malaria in areas or regions where chloroquine is known not to work resistance.