Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Chloroquine schizont p falciparum Plaquenil charting Plaquenil retina screening guidelines I take plaquenil for RA, MCTD, etc. it worsens headache that are daily 24/7. Most drugs I took for AI diseases, prescribed by my rheumy, worsened headaches. The headaches range from mild to migraine, to dizzying. My neurologist is now evaluating me for a cerebral spinal fluid leak which can cause positional headache. Headaches – Plaquenil can rarely cause a headache. Sun Sensitivity – Plaquenil can sometimes make the skin more sensitive to the sun. Patients should wear sunscreen. Ringing in the Ears Tinnitus RARE BUT SERIOUS side-effects include Changes to the Eyes – Plaquenil can rarely cause changes to the retina in the back of the eye. I was wondering if anyone has experience this while taking plaquenil. It started fri evening, pain in the upper back part of eye, with pressure and some dryness. I have a call into the dr. office and they are going to talk to the dr. and will call me back a little later this evening. thanks - Countrygal. I have been Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Does plaquenil cause headaches Plaquenil Oral Uses, Side Effects, Interactions, Pictures., Plaquenil – RheumInfo Hydroxychloroquine dose for malaria I have taken Plaquenil for 3 yrs for RA and Lupus. Recently I began developing some type of arrythmia. I could feel my heart skipping a beat and it would last most of the day. Turns out there is a recent drug interaction finding. If taken along with another drug that effects Long Q in my case Celexa it can cause arrythmia per my dr and. Plaquenil Withdrawal – Life As An Anomaly. Health Issues - Drug Interactions / Side Effects Plaquenil.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells. I just want to do something to help. Does icing the painful joints help? Heat? I just feel so helpless. The dr doesn't want to increase the pain meds and until the Plaquenil starts to do its thing which I understand can take a while I feel like we're stuck and she has no choice but to suffer through it. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks.