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 cause alopecia Hydroxychloroquine and trametinib Decreased libido plaquenil Plaquenil show up on drug test Pulmonary function testing PFT can vary from an obstructive ventilatory defect due to bronchospasm or bronchiolitis obliterans to restrictive physiology with diffusion impairment secondary to pulmonary fibrosis. Most drugs cause a restrictive lung disease pattern with decreased total lung capacity TLC. Hallucinations, seizures, and hearing loss are among the serious side effects of Plaquenil. This eMedTV Web page provides a more in-depth list of potentially dangerous reactions and explains when to report such problems to your doctor. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. 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. Can plaquenil cause lung problems Will you have Acute kidney failure with Plaquenil - eHealthMe, When to Report Reactions to Plaquenil Omeprazole and plaquenilChloroquine ovarian cancerPlaquenil mcvC an u take plaquenil if u have an infection It wasn't as severe as it was when I was a child until I started Plaquenil. When I started Plaquenil almost 2 months ago I assumed the GI issues were a side effect and it would eventually go away but it hasn't. I'm going to bring it up to my rheumy when I see him. For now I'm trying to avoid dairy the best I can. I gave in today and had a shake. Plaquenil and stomach issues." Lupus Community - Support.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. 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. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes.