Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine dose based on weight and renal function Plaquenil for erythema nodosum Plaquenil and atrial fibrillation Hydroxychloroquine Plaquenil™ What is hydroxychloroquine? Hydroxychloroquine also known as hydroxychloroquine sulfate is an arthritis medicine. that also can be used to prevent malaria. It is available in the United States by prescription only. It is sold under the brand name Plaquenil and it is also sold as a generic medicine. It is. Sep 13, 2019 Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Incidence not known. Blistering, peeling, loosening of the skin; blurred vision or other vision changes; chest discomfort, pain, or tightness; cough or hoarseness; dark urine; decreased urination; defective color vision; diarrhea; difficulty breathing Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in 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 diarrhea Taking Plaquenil for Rheumatoid Arthritis, Hydroxychloroquine Side Effects Common, Severe, Long Term. Does plaquenil increase risk of infection I've been taking Plaquenil for one month 1 x 200 mg. I should have taken 2 x 200 mg but from the beginning I had diarrhea and stomach pain. If I want to increase the Plaquenil my complaints get worse. Plaquenil, stomach pain and diarrhea - Sjogren's World. PATIENT FACT SHEET Hydroxychloroquine Plaquenil. RA and Hydroxychloroquine How Effective is it for Rheumatoid.. I was getting diarrhea after staring plaquenil. My Gastro dr gave me VSL-3, its a probiotic. It is like a miracle drug to me. I haven't had diarrhea in a year. Maybe you can try that. It's over-the-counter. The pharamacist has t get it, it has to be refrigerated. I recently had to take an antibiotic which has a side effect, for my, of diarrhea. Hydroxychloroquine is a prescription drug. It comes as an oral tablet. Hydroxychloroquine is available as the brand-name drug Plaquenil. It’s also available in a generic version. I suspect plaquenil for giving me some episodic diarrhea. I am 100 mg dose and take it with my supper. Did they happen to anyone else and did it eventually stop with the diarrhea side effect? It helps so much with the fatigue and pain. I have a sensitive stomach and perhaps I shouldn't have eaten that salad for lunch yesterday.