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 arthritis treatment Causes for plaquenil to stop working Side effects taken plaquenil 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. Our Plaquenil hydroxychloroquine Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Many people using this medication do not have serious side your doctor immediately if any of these unlikely but serious side effects occur arm/leg/back pain, fast heartbeat, hair loss/color change, mental/mood changes e.g. anxiety, depression, hallucinations, ringing in the ears/hearing loss, worsening of skin conditions e.g. psoriasismedication may infrequently cause serious sometimes permanent eye problems or muscle damage, especially if you take it for a long time. 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 Hydroxychloroquine Side effects, Images, Uses., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Hydroxychloroquine sulfate mechanism of actionChloroquine falciparum target 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 Indications, Side Effects, Warnings.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical.. Hydroxychloroquine Uses, Dosage & Side Effects -. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. The side effect that is of greatest concern is retinal toxicity. Plaquenil or hydroxychloroquine is under the quinolone family. These medications are initially used in the prophylaxis and treatment of malaria. Plaquenil has replaced chloroquine because it produces less retinal side effects. Given that much of our understanding of hydroxychloroquine toxicity is quite limited and arises from experience with its molecular predecessor, chloroquine, the full range of side effects from hydroxychloroquine poisoning is still poorly understood.