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 lyme supplements How does hydroxychloroquine help sjogren's Why chloroquine has high volume of distribution Hydroxychloroquine - Get up-to-date information on Hydroxychloroquine side effects, uses, dosage, overdose, pregnancy, alcohol and more. Learn more about Hydroxychloroquine But this medicine does not work for all strains of the disease. Hydroxychloroquine is also used for the treatment of rheumatoid arthritis. Symptoms of hydroxychloroquine overdose. Hydroxychloroquine overdose needs to be treated quickly. It is must to get an emergency medical help if there arise certain symptoms. 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. 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 overdose side effects Plaquenil Toxicity - Symptoms, Treatment, Risk Factors., Symptoms and Possible Side Effects of Hydroxychloroquine. Chloroquine vs hydroxychloroquine differenceHydroxychloroquine sulfate 1g Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells anemia. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Common and Rare Side Effects for Plaquenil Oral. Plaquenil Oral Uses, Side Effects, Interactions.. Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL. 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. Common hydroxychloroquine 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.