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. Sunspots and plaquenil Chloroquine structure The only side effect taking the drug for me was severe burning mouth syndrome, ringing in the ears and an overall dryness. I am concerned with the drug affecting my vision. I stopped taking the drug because of the cost of am eye exam and office visits and lack of insurance. I am not in a flair. While side effects of corticosteroids are usually to blame, there is also the possibility of ocular damage associated with long-term use of the antimalarial drugs hydroxychloroquine brand name Plaquenil® and chloroquine. Improved vision screening tests and updated dosing guidelines are key to avoiding such complications. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. 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 medbullets Hydroxychloroquine Plaquenil Success, Reviews and Side Effects, Protecting your eyesight when taking Plaquenil Lupus. Hydroxychloroquine 200 mg twice a dayPlaquenil guidelines review of optometryFlu shot and hydroxychloroquine One of the most significant side effects of the drug is its possibility of causing eye problems resulting in blurred or decreased vision. The most common issue is damage to the retina. It can impair your color vision or damage the retinal cells particularly in the area right around. What can Hydroxychloroquine Plaquenil do to my eyes?. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. 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. Hydroxychloroquine 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. The prescribing physician counsels the patients on the possible side effects including weight gain, hirsutism, and skin changes. The physician goes on to state that corticosteroids can also cause a number of changes on the patients laboratory studies.