Our team periodically reviews articles in order to ensure content quality. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data. What is the generic name for plaquenil Hydroxychloroquine gh Plaquenil and respiratory problems If experienced, these tend to have a Severe expression. Abnormal Liver Function Tests. Acute Liver Failure. Acute Pustular Eruptions On Skin. Bronchospasm. Decreased Blood Platelets. Decreased White Blood Cells. Deficiency Of Granulocytes A Type Of White Blood Cell. 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. It took about 3 wks to settle down I then restarted Plaquenil at half dose for 1 wk and if no problems, return to a full dose.400mg BUT to take it in a divided dose. I now take 1 X 200 mg tab in the morning and 1 X 200mg tab at night with no nausea or diarrhea. Please check with the appropriate physician regarding health questions and concerns. The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Does hydroxychloroquine cause diarrhea Plaquenil = explosive diarrhea -, Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil and wound healingPain after stopping plaquenilScle plaquenil Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Plaquenil aka HCQS – Anyone on this getting severe.. Taking Plaquenil for Rheumatoid Arthritis. If your child is taking any drugs that can cause a certain type of heartbeat that is not normal prolonged QT interval. There are many drugs that can do this. Ask the doctor or pharmacist if you are not sure. This is not a list of all drugs or health problems that interact with this drug. 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. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral.