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. How much is chloroquine Plaquenil clovequin Plaquenil monitoring Oct 01, 2018 Chloroquine has been shown to cause severe hypoglycemia including loss of consciousness that could be life-threatening in patients treated with or without antidiabetic medications see PRECAUTIONS, Drug Interactions. Manufacturers don’t say how common these side effects are when taking chloroquine for null. Irreversible eye damage; Blurry vision; Unable to see well at night; Difficulty reading; Misty vision; Hearing loss; Ringing in the ears; Muscle weakness; Loss of appetite; Nausea; Vomiting; Diarrhea; Stomach cramps; Serious skin reactions; Hives; Itchy skin; Sunlight sensitivity; Hair loss Common side effects may include diarrhea, vomiting, stomach cramps; headache; changes in hair or skin color; temporary hair loss; or. mild muscle weakness. 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. Side effects of chloroquine drugs Chloroquine Side Effects -, Chloroquine Basics, Side Effects & Reviews - Chloroquine suicideWhat does plaquenil do for autoimmune diseases Aralen chloroquine is an antimalarial drug used for the treatment of malaria and extraintestinal amebiasis. Common side effects are reduced hearing, tinnitus, nausea, vomiting, and diarrhea. Dosage, drug interactions, and pregnancy and breastfeeding safety are provided. Aralen chloroquine Malaria Drug Side Effects & Dosage. Chloroquine Uses, Side Effects, Dosage & Interactions. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Find patient medical information for Chloroquine Phosphate Bulk on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. What are the possible side effects of chloroquine? 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. 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.