Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil immunocompromised Hydroxychloroquine and sunlight eyes Plaquenil sun spots Generic plaquenil uses SIDE EFFECTS Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. 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. Find patient medical information for Hydroxychloroquine Sulfate Bulk on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine dental side effects Hydroxychloroquine - Side Effects, Dosage, Interactions., Hydroxychloroquine Side Effects Common, Severe, Long Term - Cutting plaquenil in half causing dosing errorsPlaquenil pill dosesChloroquine diphosphate dmemHow does plaquenil affect eyesMolecular weight of chloroquine phosphate Find information about common, infrequent and rare side effects of Plaquenil Oral. Common and Rare Side Effects for Plaquenil Oral. Hydroxychloroquine Sulfate Bulk Uses, Side Effects.. Plaquenil Side Effects Common, Severe, Long Term -. Mar 17, 2019 Hydroxychloroquine is a quinoline medicine 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. This medicine is not effective against all strains of malaria. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. 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.