Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance. It is recommended to check if chloroquine is still effective in the region prior to using it. Plaquenil liver enzymes Plaquenil dosage sjogren's syndrome Hydroxychloroquine package insert pdf What does plaquenil do Download PDF. Drug-induced ocular side effects are back in the spotlight, thanks to the Academy’s revision of its recommendations on screening for retinal toxicity from chloroquine and its analogue hydroxychloroquine Plaquenil. 1 There are hundreds of drugs with potential retinal toxicity—so many that the National Registry of Drug-Induced Ocular Side Effects doesn’t stratify them by. Chloroquine side effects Get emergency medical help if you have signs of an allergic reaction hives, difficult breathing, swelling in your face or throat or a severe skin reaction fever, sore throat, burning in your eyes, skin pain, red or purple skin rash that spreads and causes blistering and peeling. 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. The Centers for Disease Control and Prevention recommend against treatment of malaria with chloroquine alone due to more effective combinations. In areas where resistance is present, other antimalarials, such as mefloquine or atovaquone, may be used instead. Chloroquine side effects long term Chloroquine Oral Uses, Side Effects, Interactions., Chloroquine Uses, Side Effects & Warnings - Does plaquenil cause nerve pain Applies to chloroquine compounding powder, injectable solution, oral tablet. Ocular. Maculopathy and macular degeneration may be irreversible. Irreversible retinal damage has been reported in patients receiving long-term or high-dose 4-aminoquinoline therapy. Retinopathy has been reported as dose related. Chloroquine Side Effects Common, Severe, Long Term.. Chloroquine - FDA prescribing information, side effects.. Chloroquine Aralen - Side Effects, Dosage, Interactions.. It is taken by mouth. Common side effects include muscle problems, loss of appetite, diarrhea, and skin rash. Serious side effects include problems with vision, muscle damage, seizures, and low blood cell levels. It appears to be safe for use during pregnancy. Potential side effects of anti-malarial drugs include Skin rashes and pigment change. Atabrine, specifically, can cause yellow pigmentation of skin. Sometimes Plaquenil can also deposit in the tissues. Dry skin. Loss of appetite. Abdominal bloating. Upset stomach. Stomach cramps. Retinal damage. Symptoms of overdose. Cold, clammy skin. decreased urine. drowsiness. dry mouth. fast, weak pulse. increased thirst. lightheadedness, dizziness, or fainting. loss of appetite. muscle pain or cramps. numbness or tingling in the hands, feet, or lips.