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. Hydroxychloroquine does Can plaquenil cause dry eys Chloroquine phosphate side effects Hydroxychloroquine is a well tolerated medication for various rheumatologic and dermatologic conditions. Its main side effects are gastrointestinal upset, skin rash, headache, and ocular toxicity. Within the eye, hydroxychloroquine negatively impacts the cornea, ciliary body, and retina. Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects. May 24, 2019 What are some other side effects of Hydroxychloroquine? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. 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. Hydroxychloroquine side effects test What can Hydroxychloroquine Plaquenil do to my eyes?, Plaquenil Hydroxychloroquine - Side Effects, Dosage. Chloroquine phosphate 250 mg malariaHow do you stop taking plaquenilCan you just stop taking hydroxychloroquineWallace 1989 chloroquine However, in some people hydroxychloroquine can cause skin rashes, especially those made worse by sunlight. feeling sick nausea or indigestion. diarrhoea. headaches. bleaching of the hair or mild hair loss. tinnitus ringing in the ears. visual problems. Hydroxychloroquine Side-effects, uses, time to work. Hydroxychloroquine Indications, Side Effects, Warnings.. Rx Side Effects New Plaquenil Guidelines and More - American.. One of the most serious side effects is retinopathy generally with chronic use. 1 15 People taking 400 mg of hydroxychloroquine or less per day generally have a negligible risk of macular toxicity, whereas the risk begins to go up when a person takes the medication over 5 years or has a cumulative dose of more than 1000 grams. Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. In fact, the hypoglycemic effect of hydroxychloroquine has been identified as its potential side-effect, but because of no another concomitant effects on other metabolic components and body organs, this effect can be beneficially used for controlling glucose and also for progression of prediabetes to diabetes state.