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. Normal dosage for plaquenil Plaquenil class Plaquenil is an arthritis medication and an anti infectious agent. Uses Plaquenil is prescribed for Lupus, RA, Sjogren's Syndrome and Joint Pain and is mostly mentioned together with these indications. What people say about Plaquenil. Positive 8,566 "Yes, Plaquenil has helped with my fatigue, joints, eyes and mouth.". Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. For the Consumer. Continuing ringing or buzzing or other unexplained noise in the ears. feeling of constant movement of self or surroundings. irritability. nausea. nervousness. nightmares. sensation of spinning. shakiness and unsteady walk. uncontrolled eye movements. unsteadiness, trembling, or. 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. Plaquenil side effects dry mouth Plaquenil vs. Rheumatrex, Trexall Prescription Treatment for., Plaquenil Side Effects - GoodRx Hydroxychloroquine natural alternativesHydroxychloroquine light sensitivityLupus medication hydroxychloroquineSaliva drug test rx hydroxychloroquine false positive drug test Many people using this medication do not have serious side your doctor immediately if any of these unlikely but serious side effects occur arm/leg/back pain, fast heartbeat, hair loss/color change, mental/mood changes e.g. anxiety, depression, hallucinations, ringing in the ears/hearing loss, worsening of skin conditions e.g. psoriasismedication may infrequently cause serious sometimes permanent eye problems or muscle damage, especially if you take it for a long time. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects.. Plaquenil Side Effects Common, Severe, Long Term -. Hydroxychloroquine Plaquenil Success, Reviews and Side.. Was put on steroids 4 days after onset. Been on them 4 days is not getting any better. Miserable is all I can say othervthan itching terrible. ” Druginformer Identified Side Effects Flatulence, Dizziness, Nausea, Pruritus, Alopecia, Purpura, Diarrhoea, Hallucination. Advice & Tips This med among several others I take causes me to have a dry mouth. Initially, I also experienced nausea, but after 5 years, that is gone I don't recall when that ended. Initially, I also experienced nausea, but after 5 years, that is gone I don't recall when that ended. Most common side effects people have besides Dry mouth * Pain 126 people, 30.58%. Joint Pain 124 people, 30.10%. Nausea feeling of having an urge to vomit 119 people, 28.88%. Dry Eyes lack of adequate tears 113 people, 27.43%. Breathing Difficulty 97 people, 23.54%.