Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. What are the side effects of taking plaquenil Chloroquine injection dosage Methotrexate vs plaquenil for lupus Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells but potentially serious eye toxicity can occur. Plaquenil is generally well-tolerated, but side effects are possible. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, mood changes, nervousness, irritability, skin rash, itching, or; hair loss. Tell your doctor if you experience serious side effects of Plaquenil including. muscle weakness, twitching, Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. What are the side effects of hydroxychloroquine 200 mg Drug spotlight on hydroxychloroquine Lupus Foundation of., Taking Plaquenil for Rheumatoid Arthritis Mechanism of action of hydroxychloroquineChloroquine resistant malaria in indiaHow to make hydroxychloroquine at homeName for plaquenil eye exam Incidence not known. 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 Oral Route Side Effects - Mayo Clinic. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine Reviews Everyday Health. The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. Systemic lupus erythematosus is treated with 400 mg once or twice daily for several weeks then 200-400 mg daily. Hydroxychloroquine should be taken with food or milk in order to reduce stomach upset. Hydroxychloroquine dosing information. Usual Adult Dose for Malaria Treatment of the acute attack 800 mg 620 mg base followed in 6 to 8 hours by 400 mg 310 mg base, then 400 mg 310 mg base once a day for 2 consecutive days; alternatively, a single dose of 800 mg 620 mg base has also been effective Side-effects aren't common. However, in some people hydroxychloroquine can cause skin rashes, especially those made worse by sunlight; feeling sick nausea or indigestion; diarrhoea; headaches; bleaching of the hair or mild hair loss; tinnitus ringing in the ears visual problems.