It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Drug treatment of chloroquine resistant malaria What does plaquenil do to your eyesight Halflife of plaquenil Chloroquine phosphate and pregnancy Stomach problems with Plaquenil. Stomach problems with Plaquenil. April 9, 2007 By Arthritis Center. You might try starting at 1/2 a tablet and work your way up slowly. Also, generic plaquenil hydroxychloroquine is often associated with more GI side effets than the name brand. How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Aug 14, 2017 Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Why does plaquenil make my stomach bleed Plaquenil/Hydroxychloroquine and stomach problems?, Plaquenil Oral Uses, Side Effects, Interactions. Hydroxychloroquine diarrheaChloroquine in the uterusPlaquenil dreams Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Stomach Bleeding – Symptoms, Dangers and Causes. 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. Yes, I have bipolar disorder but it is well treated, and these symptoms did not come out of nowhere. They date right to when I started taking Plaquenil. I see my doc in 5 days and rather than do the full 800mg. I'm weaning myself off, before I become suicidal I already want to hurt myself, I'm so depressed, but not suicidal yet. Gastrointestinal bleeding can occur either in the upper or lower gastrointestinal tract. It can have a number of causes. Upper GI bleeding. Causes can include Peptic ulcer. This is the most common cause of upper GI bleeding. Peptic ulcers are sores that develop on the lining of the stomach and upper portion of the small intestine.