Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil 2016 Hydroxychloroquine aps One of the most serious side effects is a toxicity in the eye generally with chronic use. People taking 400 mg of hydroxychloroquine or less per day generally have a negligible risk of macular toxicity, whereas the risk begins to go up when a person takes the medication over 5 years or has a cumulative dose of more than 1000 grams. I was referred to a Rheumy who put me on daily dose of 200 mg of hydroxychloroquine sulfate. I don’t have any side effects such as rash, blisters, etc. MORE COMMON side-effects include Nausea & diarrhea – Plaquenil agrees with most people. Rarely it can cause an upset stomach or diarrhea. Skin rash – Plaquenil can rarely cause a rash. Patients who experience this rare side effect should stop taking this medicine and contact their doctor. Headaches – Plaquenil can rarely cause a headache. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil 400 mg side effects Hydroxychloroquine - Side Effects, Dosage, Interactions., Hydroxychloroquine Reviews Everyday Health Chloroquine exoerythrocyticPlaquenil prescribing infoAralen cloroquina para que sirvePlaquenil and ssri Serious side effects. blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. blue-black skin color. muscle weakness. hair. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil – RheumInfo. Hydroxychloroquine Side Effects Common, Severe, Long Term.. One of the most significant side effects of the drug is its possibility of causing eye problems resulting in blurred or decreased vision. The most common issue is damage to the retina. It can impair your color vision or damage the retinal cells particularly in the area right around the central vision. This medicine is not effective against all strains of malaria. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. How to take Plaquenil. To prevent malaria in adults, two tablets are typically taken once a week, on the same day each week. Jan 01, 2020 Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses.