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. Benefits of plaquenil How can plaquenil scarring alopecia Alternative to plaquenil for lupus Common Side Effects of Chloroquine. Tell your doctor if any of the following side effects become severe or don't go away Loss of appetite; Mild dizziness; Mild diarrhea; Clumsiness; Mild headache For the Consumer. 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. Find patient medical information for Chloroquine Phosphate Bulk on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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 phosphate side effects What is Chloroquine Phosphate? - GoodRx, Chloroquine Side Effects Common, Severe, Long Term. Plaquenil and gum diseaseTaking cellcept and plaquenilSide effects from taking plaquenil 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. Upset stomach or throwing up. Headache. Diarrhea. Change in color of skin. Change in color of hair. Hair loss. These are not all of the side effects that may occur. Chloroquine Indications, Side Effects, Warnings -. Chloroquine Phosphate Bulk Uses, Side Effects.. Chloroquine Clinical Trials, Side Effects AIDSinfo. Overdose Effects Symptoms Headache, drowsiness, visual disturbances, nausea and vomiting, CV collapse, shock and convulsions followed by sudden and early respiratory and cardiac arrest. If you experience drowsiness, dizziness, hypotension or a headache as side-effects when using Chloroquine Phosphate Tablet medicine then it may not be safe to drive a vehicle or operate heavy machinery. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your blood-pressure extensively. Jul 30, 2019 For the Consumer. 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.