Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Can plaquenil cause low platelets Hydroxychloroquine sulfate high Plaquenil for rosacea These medications may interact and cause very harmful effects. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. HYDROXYCHLOROQUINE/POSSIBLE QT PROLONGING AGENTS May 24, 2019 Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs. If you have had any eye changes or changes in eyesight due to hydroxychloroquine or drugs like this one. If you have psoriasis. 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 Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Side effects of hydroxychloroquine medication Hydroxychloroquine Plaquenil Success, Reviews and Side Effects, Hydroxychloroquine Indications, Side Effects. - Chloroquine diphosphate mechanism of actionNursing interventions for hydroxychloroquineWhen taking plaquenil which tests should periodically be takenCan i take doxycycline with hydroxychloroquine The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine.. Tell your doctor right away if you have any serious side effects, including arm/leg/back pain, slow/fast/irregular heartbeat, symptoms of heart failure such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain, hair loss/color change, mental/mood changes e.g. anxiety, depression, rare thoughts of suicide, hallucinations, ringing in the ears/hearing loss, worsening of skin conditions e.g. psoriasis, severe stomach/abdominal pain, severe nausea. For the Consumer. 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. Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects.