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. What medication is given with chloroquine Chloroquine autophage Plaquenil side effects when starting Chloroquine resistant malaria areas Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. 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. Hi, I JUst wanted to let you know that Plaquenil, and other lupus meds can be rough on your stomach.so in the beginning than long term. My doctor reccomended that I eat 100 calories at least prior to taking Plaquenil and Naproxen. I was prett nauseous the frist 2 weeks on these meds, but over time it diminished. Some people may develop eye problems, so you’ll have to get your eyes checked often. Depending on what you're being treated for, it can take up to 6 months for the full benefits of Plaquenil hydroxychloroquine. Many people have nausea, stomach cramps, and diarrhea when they first start taking Plaquenil hydroxychloroquine. 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. Plaquenil and stomach problems Stopping plaquenil. DailyStrength, Plaquenil and stomach issues." Lupus Community - Support Group Chloroquine mechanism HI, sorry to hear about your various troubles, the drug of choice that you describe in terms of brand is Plaquenil, it seems to give less problems, “HYDROXYCHLOROQUINE SULPHATE ZENTIVA 200MG FILM COATED” and the ‘PIP number’ Product Code is 1201730. Hydroxychloroquine and stomach problems - Sticky Blood-Hugh.. Plaquenil hydroxychloroquine Basics, Side Effects & Reviews.. Plaquenil Hydroxycholorquine - Arthritis - MedHelp. Aug 26, 2016 In summary Plaquenil isn't causing tyour new problems. It probably caused only the nausea, diarrhea, stomach cramps, and intense vertigo. BTW 100 mg daily may reduce side effects, but this low dosage also greatly annihilates its positive effects. 100 mg are a drop maybe two. on a hot stone. And finally Side effects of Plaquenil that are different from Azulfidine include stomach pain or cramps, weight loss, mood changes, nervousness, irritability, or hair loss. Side effects of Azulfidine that are different from Plaquenil include stomach upset, unusual tiredness, white patches or sores inside your mouth or on your lips, or sleep problems. 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.