Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Can hydroxychloroquine cause high blood glucose levels Can long-term use of plaquenil causing low-blood sugar Plaquenil caused seizures How much is hydroxychloroquine Side Effects. Continuing ringing or buzzing or other unexplained noise in the ears. feeling of constant movement of self or surroundings. irritability. nausea. nervousness. nightmares. sensation of spinning. shakiness and unsteady walk. uncontrolled eye movements. unsteadiness, trembling, or other. Oct 22, 2019 What are some other side effects of Plaquenil? 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. Not hungry. Some side effects 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. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil mouth side effects Will you have Mouth ulcers with Plaquenil - eHealthMe, Plaquenil Indications, Side Effects, Warnings - Plaquenil and blood glucose Plaquenil. Uses. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of. Side Effects. Precautions. Interactions. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil Side Effects - GoodRx. Plaquenil Uses, Dosage & Side Effects -. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during pregnancy. Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication. Plaquenil is the devil! Worked well 1st 2 mts. After that I had issues with my vision, felt waves of nervousness, and extreme anxiety where I started to question my sanity. Hallucinated, broke out in rashes and crying spells. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work.