Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil with asprin Goodrx hydroxychloroquine Hydroxychloroquine cardiotoxicity Decoration ideas for posters about chloroquine for school 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. Re Prednisone, plaquenil and constipation. I haven't experienced any problems with constipation while on prednisone and plaquenil. I had a lot of bowel trouble before I was DXD though, which may be why I am not having problems now, could be that the drugs just evened me out so to speak. 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil side effects constipation Plaquenil Hydroxychloroquine - Side Effects, Dosage., Immune & Autoimmune - Lupus Prednisone, plaquenil and Hydroxychloroquine pt teachingPlaquenil side effects tired What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. 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. Plaquenil Indications, Side Effects, Warnings -. Taking Plaquenil for Rheumatoid Arthritis. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil “ Side Effects Severe abdominal pain, bloating, constipation. Increased leg spasms @ night. Hair loss, accelerated depression. At the 4th week, itchy, red dots appear along with scalp itching. ” I have been on the plaquenil 200 mgm for about 4 months now. I did stop it for 2 weeks early in the treatment due to having to take a coupld other drugs that seemed to give me side effects. I just quit the plaquenil to give my liver a rest at that time. Noticed nothing different. Plaquenil isn a antiparasitic drug with anti-inflammatory affect. Side Effects Stomache pain, cramps, gas, diarreha, constipationit would rotate for day to day. But after the second week my tongue became sore, and it progressively became worse.