It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Hydroxychloroquine overdose side effects Can i take my celebrex and plaquenil doses together What are the possible side effects of hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Get emergency medical help if you have signs of an allergic reaction hives ; difficulty breathing; swelling of your face, lips, tongue, or throat. DMARD Side Effects and Use. Hydroxychloroquine Plaquenil and sulfasalazine Azulfidine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects. In rare cases, Plaquenil can adversely affect the eyes, and patients taking this medicine should be seen by an ophthalmologist at least once a year. Common Plaquenil 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. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Adverse effect of hydroxychloroquine Hydroxychloroquine Oral Uses, Side Effects, Interactions., DMARDs for Treating Rheumatoid Arthritis Plaquenil and tums Check with your doctor immediately if any of the following side effects occur Incidence not known. Blistering, peeling, loosening of the skin blurred vision or other vision changes chest discomfort, pain, or tightness cough or hoarseness dark urine decreased urination defective color vision diarrhea difficulty breathing Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Side Effects Common, Severe, Long Term -. 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. 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. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis.