The review is based on 57,733 people who have side effects while taking the drug from Food and Drug Administration (FDA). The information that e Health Me analyzes includes: On e Health Me, you can evaluate side effects and drug interactions from 16 million FDA reports. Plaquenil related diseases Hydroxychloroquine lactation category Common side effects include headaches, dizziness, gastrointestinal upset and rash. Retinopathy is a serious side effect of hydroxychloroquine and regular ophthalmologic monitoring is recommended for patients on long term therapy. Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. Less common or rare possible side effects Less common side effects include skin rashes and increased sensitivity to the sun. Very rarely hydroxychloroquine may cause temporary blurring of vision due to deposits in. More serious eye problems involving the retina back of the eye are extremely. You can also discuss your drugs with qualified professionals to ensure drugs are working to improve your health. The study is based on hydroxychloroquine sulfate (the active ingredients of Plaquenil) and Plaquenil (the brand name). The results are personalized to your gender and age (0-99 ). Most common side effects of hydroxychloroquine Hydroxychloroquine Side Effects Common, Severe, Long Term., Plaquenil, Plaquenil Sulfate, Quineprox. Ok to take hydroxychloroquine and meloxicam together RARE side effects. If experienced, these tend to have a Severe expression. Abnormal Liver Function Tests. Acute Liver Failure. Acute Pustular Eruptions On Skin. Bronchospasm. Decreased Blood Platelets. Decreased White Blood Cells. Common and Rare Side Effects for Plaquenil Oral. Hydroxychloroquine — Arthritis Australia. Hydroxychloroquine Side Effects - GoodRx. Hydroxychloroquine is widely used in the treatment of post-Lyme arthritis. It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. Adverse effects. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. The most serious adverse effects affect the eye. Hydroxychloroquine side effects may range from mild to severe, although some side effects may go away with time. Some of the most common side effects of hydroxychloroquine include 3, 4 loss of appetite. diarrhea. headache. nausea. vomiting. stomach pain. shakiness. skin rash. More serious hydroxychloroquine side effects include 3, 4 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.