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. Chloroquine cholera Chloroquine proguanil side effects Hydroxychloroquine arthritis Feb 19, 2020 This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. What is the most important information I should know about hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Feb 19, 2020 SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Nov 18, 2013 hi I have taken Plaquenil since 1995 i was diagnosed with Lupus sle i have never had that side effect. though i do know that if you take too much fiber you will get constipation so i cut down on the fiber and drank juice & ground flax seed.& i take flexeril at night. you all are in my prayers good luck. hopefull you will ask the 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. How soon would you have side effects with plaquenil Will you have Neck pain with Plaquenil - eHealthMe, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil dissolving immune complexesEasily bruising side effect of plaquenilChloroquine resistant malaria treatment in children Apr 10, 2019 You should not use Plaquenil if you are allergic to hydroxychloroquine. Plaquenil should not be used for long-term treatment in children. To make sure Plaquenil is safe for you, tell your doctor if you have a history of vision changes or damage to your retina caused by an anti-malaria medication; Plaquenil Uses, Dosage & Side Effects -. Bad Side Effects of Plaquenil -. Plaquenil Side Effects on Your Eyes and Vision. Get medical help right away if you have any very serious side effects, including sensitivity to light, vision changes e.g. blurred vision, seeing light flashes/streaks/halos, missing/blacked-out areas of vision, muscle weakness, numbness/tingling/pain of the arms/legs. You risk more serious side effects. How to tell if the drug is working For rheumatoid arthritis, you should have reduced joint inflammation and you should be able to move better within 6 months. Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects. diarrhea. dizziness. hair loss. headache. increased skin sensitivity to sunlight. loss of appetite.