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. Years taking hydroxychloroquine now burning skin Plaquenil medication guide Tylenol and hydroxychloroquine Check with your doctor immediately if any of the following side effects occur Incidence not known. Blistering, peeling, loosening of the skin blurred vision or other vision changes chest discomfort, pain, or tightness cough or hoarseness dark urine decreased urination defective color vision diarrhea difficulty breathing 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 Feb 19, 2020 SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. 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 alcohol side effects Chloroquine Oral Tablet Drug Information, Side Effects, Faqs, Chloroquine Uses, Side Effects & Warnings - Plaquenil sun allergy There's no known interaction between alcohol and hydroxychloroquine. However, if you're also taking methotrexate you should keep well within the recommended limits no more than 14 units of alcohol per week for adults as methotrexate can interact with alcohol and affect your liver. In some circumstances your doctor may advise lower limits. Hydroxychloroquine Side-effects, uses, time to work. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Chloroquine Oral Uses, Side Effects, Interactions.. Oct 02, 2013 Chloroquine is taken once or twice a day. If used for the prevention of malaria, it is taken once a week beginning 2 weeks prior to traveling to an area where malaria is common. Common side effects include headache, loss of appetite, diarrhea, and upset stomach. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. What are some other side effects of Chloroquine? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Belly pain. Stomach cramps. Not hungry.