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. Can plaquenil cause w Plaquenil and mood changes Can i take my celebrex and plaquenil doses together Dec 27, 2010 Thanks! I think today my Autonomic Dysfunction is acting up and making things worse. I get rapid heart rates and BP when I stand and it makes me weak I am on Clonidine for it. But when my heart rate is high lying down, that is a different story and that has been happening. I do feel better on Medrol 10 mg- that is the magic dose for me. The usual adult dose for treating malaria is 800 mg initially, followed by 400 mg 6-8 hours later and then 400 mg at 24 hours and 48 hours. The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area. Patients with retinal changes may be asymptomatic initially, or may have scotomatous vision with paracentral, pericentral ring types, temporal scotomas, and abnormal color vision.-Corneal changes including edema and opacities can be symptomless or may cause disturbances such as haloes, blurring of vision or photophobia. They may be transient. 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. Does plaquenil change heart rate Plaquenil Hydroxychloroquine - Side Effects, Dosage., Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Effect of plaquenil on free light chainsChloroquine other namesHydroxychloroquine 200 mg dailyChloroquine resistente bakterien disseration Torsades De Pointes, A Type Of Abnormal Heart Rhythm Ventricular Arrhythmias, A Type Of Abnormal Heart Rhythm Very Low Levels Of Granulocytes, A Type Of White Blood Cell Common and Rare Side Effects for Plaquenil Oral. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil Hydroxychloroquine Sulfate - Sanofi. Plaquenil and Heart rate increased - a study from FDA data. Summary Heart rate increased is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months, also take medication Actemra, and have Osteoporosis. My heart rate dropped suddenly, to my knowledge overnight when I woke up one morning and passed out after 3-4 minutes due to a combination of low heart rate and low bp. But too tell you the truth I had been feeling sick low energy, achey, just an unwell feeling overall for a few months before this happened. Can Plaquenil cause Irregular Heartbeat? Complete analysis from patient reviews and trusted online health resources, including first-hand experiences.