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. Best way to monitor patients for plaquenil Chloroquine phosphate for marine velvet Hydroxychloroquine renal toxicity Cardiac Effects Cases of cardiomyopathy resulting in cardiac failure, in some cases with fatal outcome, have been reported in patients treated during long term therapy at high doses with Chloroquine see ADVERSE REACTIONS and OVERDOSAGE. Monitor for signs and symptoms of cardiomyopathy and discontinue Chloroquine if cardiomyopathy develops. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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. 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 long term side effects Chemists expose side effects of antimalarial drug., Chloroquine Oral Uses, Side Effects, Interactions. Chloroquine autophagic flux Jul 30, 2019 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. Chloroquine Side Effects Common, Severe, Long Term -. Chloroquine Side Effects Common, Severe, Long Term.. Chloroquine Oral Route Side Effects - Mayo Clinic. In 2005, Lareb, the Netherlands Pharmacovigilance Centre, reported that it received three reports of permanent hearing loss and tinnitus after long-term Plaquenil use. The article mentioned that hydroxychloroquine is chemically related to other drugs that have known toxic effects on hearing 2. Other Side Effects Our Aralen chloroquine phosphate Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Aralen Chloroquine may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. All patients on long-term therapy with this preparation should be questioned and examined periodically, including testing knee and ankle reflexes.