It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria. Chloroquine for infants Chloroquine mechanism of action cancer Sep 13, 2019 Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. 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 Mar 14, 2011 I don't have an answer for you, but I've been on Plaquenil for 2 years and have recently been dealing with the muscle weakness issue which infers muscle loss? Rheumy checked CPK and the result was actually abnormally low - so I'm not sure what that means - since it's a high result that is the red flag for muscle damage. In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. It is also used to treat acute and chronic rheumatoid arthritis. Hydroxychloroquine is used to treat discoid lupus erythematosus (DLE) or systemic lupus erythematosus (SLE or lupus). Plaquenil muscle weakness Will you have Weakness with Plaquenil - eHealthMe, Muscle Weakness? - Best prescription savings card hydroxychloroquine 200mgChloroquine resistance mechanism of actionHydroxychloroquine effects on tasteChloroquine ineffective on exo Apr 28, 2009 This is a new question concerning an old post. Plaquenil and muscle pain. I thought that maybe my question had been answered when I read that Plaquenil was responsible for your muscle pain but, as I read on I realize it was not. I TOO have severe muscle pain and cramping in my legs. Only when trying to sleep. Plaquenil and muscle aches and pains?. Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. PATIENT FACT SHEET Hydroxychloroquine Plaquenil. Aug 20, 2013 I thought that maybe the Plaquenil caused my weakness as it increased vastly right after I started it, but I think it was the flexeril I was taking for the twitching and jerking as I stopped that and the weakness became better. My PCP told me that it's rare to have weakness with plaquenil but more common with flexeril. Loss Of Muscle Coordination; Low Energy; Mood Changes; Muscle Tremors; Muscle Weakness; Nightmares; Nystagmus, A Condition With Involuntary Eye Movements; Ringing In The Ears; Sensation Of. Feb 19, 2020 Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss.