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. Does plaquenil thin the blood Plaquenil cardiac Find treatment reviews for Hydroxychloroquine from other patients. Learn from their experiences about effectiveness, side effects and cost Dismiss this notification PatientsLikeMe would like to remind you that your browser is out of date and many features of the website may not function as expected. Side effects Severe self harm thoughts or urges, irritability, reactive depression, weight gain, uncontrollable crying, unrefreshing or poor sleep Does Hydroxychloroquine Have Side Effects? Like all medications, there is the risk of side effects. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. 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 Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs., Evaluations from Patients who take Hydroxychloroquine. Is plaquenil safe for pregnancyChloroquine-resistance countriesPlaquenil and diarrhea and weight lossAralen for lupus 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. Hydroxychloroquine Side-effects, uses, time to work. RA and Hydroxychloroquine How Effective is it for.. Hydroquin 200 mg Hydroxychloroquine Reviews, dose, Side.. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. 1 It does not appear to be safe during pregnancy. 3 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, 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.