It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquine 500 mg dosing Chloroquine in vivo Plaquenil and codeine Causes for plaquenil to stop working Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Some people, however, have a heart rate that’s slower than normal, what’s called bradycardia. This is variably defined as less than 60 or 50 beats per minute depending on the source or study. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil and bradycardia Hydroxychloroquine use while Breastfeeding, Bradycardia Can a Slow Heart Rate Be Dangerous. Hydroxychloroquine tablets in hindiHow about taking half of plaquenilChloroquine alcohol side effects Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. Hydroxychloroquine Reviews Everyday Health. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. DATA SHEET 1 PRODUCT NAME 2 QUALITATIVE AND QUANTITATIVE.. This supported our initial suspicion the patient had consumed 42 tablets of 200 mg of hydroxychloroquine each, in the context of attempted suicide. After the first 48 h, protocolized extubation could be performed, with a good clinical course, no neurological defects, and no further cardiovascular alterations. Bradycardia can be a little hard for doctors to figure out, because it’s not always present all the time. Your heart can go in and out of slow rhythms. Hydroxychloroquine HCQ, a common anti-rheumatic medication, can be cardiotoxic and cause systolic or diastolic heart failure HF. A 65 year old man presented with acute decompensated HF. He had a history of rheumatoid arthritis, and had been treated with hydroxychloroquine for the last 8 years.