Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Sjoren how help plaquenil Hydroxychloroquine long term side effects Can you bill a plaquenil exam under vision Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. It is also being used as an experimental treatment for SARS-CoV-2 infections. Common side effects include vomiting, headache, changes in vision and muscle weakness. Headache hearing loss inability to move the eyes increased blinking or spasms of the eyelid joint or muscle pain large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs light-colored stools loss of balance control lower back or side pain muscle trembling, jerking, or stiffness Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Chloroquine headache Chloroquine - Wikipedia, Hydroxychloroquine - Wikipedia Finasteride vs plaquenilPlaquenil and vitamin d In usual doses for treatment of malaria, headache, blurred vision, and lichenoid rash can occur. Chloroquine may block the entrance of potassium into the cells and primaquine also has an effect on blocking sodium channels. Side Effects of Chloroquine and Primaquine and Symptom.. Chloroquine Oral Route Side Effects - Mayo Clinic. Hydroxychloroquine toxicity - EyeWiki. Chloroquine toxicity and Headache and Itching skin 3 causes Chloroquine toxicity and Headache and Nausea 3 causes Chloroquine toxicity and Headache and Seizures 3 causes Chloroquine toxicity and Headache and Cardiovascular symptoms 2 causes Chloroquine toxicity and Headache and Low blood pressure 2 causes Chloroquine toxicity and. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.