These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Hydroxychloroquine and epsom salt bath How does plaquenil help inflammation Side effects can be serious and may include low blood counts that increase risk of infection. It can also make it harder for men or women to have a baby. Bladder irritation is another risk. The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting. 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. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Plaquenil side effecs Common and Rare Side Effects for Plaquenil Oral, Hydroxychloroquine Side Effects, Dosage, Uses, and More Does plaquenil suppress immune system further in an immunosuppressed personHydroxychloroquine plaquenil sickle cell Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. Weight loss. Upset stomach or throwing up. Stomach pain or diarrhea. Feeling tired or weak. Change in. Hydroxychloroquine Indications, Side Effects, Warnings.. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Common and Rare Side Effects for Prednisone Oral. ANSWER. Hydroxychloroquine Plaquenil and sulfasalazine Azulfidine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects. In rare cases, Plaquenil can adversely affect the eyes, and people taking this medicine should be seen by an ophthalmologist at least once a year. Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or; hair loss. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Ocular side effects of anti-rheumatic medications what a rheumatologist should know. The ocular side effects, screening for eye toxicity and treatment guidelines for anti-inflammatory and immunosuppressive drugs commonly used by rheumatologists are reviewed herein. Chloroquine and hydroxychloroquine have been used to treat rheumatoid.