Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. The looks of a plaquenil pill What is side effects of plaquenil 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. May 24, 2019 Tell your doctor and pharmacist about all of your drugs prescription or OTC, natural products, vitamins and health problems. You must check to make sure that it is safe for you to take hydroxychloroquine with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. 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. 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. Plaquenil drug rash Plaquenil Side Effects Common, Severe, Long Term -, Hydroxychloroquine Indications, Side Effects. - Hydroxychloroquine related rash on external genitaliGeneric plaquenil gg 620Plaquenil for ankylosing spondylitisOptometry plaquenil dosage retinopathy Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine - Wikipedia. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Plaquenil is one of the safest drugs in medicine. Serious side effects are rare & routine blood tests are not required. Allergy new skin rashes is unusual but it means ruling our future use. Commoner, usually mild, side effects are indigestion, ‘gurgly tummy’, diarrhoea & headache. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is.