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. Plaquenil and dental implants Hydroxychloroquine 400 mg cost Plaquenil doxycycline lyme 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. Some side effects of hydroxychloroquine 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. Plaquenil is used in the treatment of sarcoidosis but its main use is in the treatment of malaria. One of the side effects of taking the drug is that it affects eye sight, and eye tests, especially field of vision tests need to be done every six months. 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. Side effects of plaquenil pms Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine Side Effects Common, Severe, Long Term. Plaquenil how long to work 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. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil Withdrawal – Life As An Anomaly. Hydroxychloroquine Oral Uses, Side Effects, Interactions, Pictures.. Hydroxychloroquine plaquenil and sulfasalazine azulfidine are used for mild rheumatoid arthritis. they are not as powerful as other dmards, but they usually cause fewer side effects. 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. Plaquenil and belong to different drug classes. Plaquenil is an antimalarial medication and prednisone is a glucocorticoid. Side effects of Plaquenil and prednisone that are similar include nausea, vomiting, or headache.