Applies to hydroxychloroquine: oral tablet Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Does prednisone and plaquenil work for ankylosing spondylitis Chloroquine cataract Plaquenil leg swelling Common Side Effects of Plaquenil. Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache Adverse drug reaction is found among people who take Zyrtec and Plaquenil, especially for people who are female, 10-19 old also take medication Cymbalta, and have Dry eyes. This review analyzes which people have Adverse drug reaction with Zyrtec and Plaquenil. Complete waste of time unfortunately and wish I had just gone to A&E - the upshot was I was just advised to get an urgent appointment with my GP in the morning. Saw my GP who said she thought I was having a severe adverse reaction to the Hydroxy and to stop taking it immediately, take anti histamine and up the steroid dose to 10mg. These side effects may go away during treatment as your body adjusts to the medicine. 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. Adverse reaction to plaquenil Hydroxychloroquine Side Effects, Dosage, Uses, and More, Zyrtec and Plaquenil drug interaction Adverse drug reaction. Hydroxychloroquine sulfate and hydroxychloroquine sulfate plaquenil Some side effects of hydroxychloroquine may occur that usually do not need medical attention. 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. Plaquenil Side Effects Common, Severe, Long Term -. Adverse reaction to Hydroxychloroquine Got a. - LUPUS UK. Prolia and Plaquenil drug interaction Adverse drug reaction.. Ventricular arrhythmias and torsade de pointes have been reported with the use of hydroxychloroquine. Beta-agonists may be associated with adverse cardiovascular effects including QT interval prolongation, usually at higher doses, when associated with hypokalemia, or when used with other drugs known to prolong the QT interval. 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 but potentially serious eye toxicity can occur. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. Although all risk cannot be excluded it remains a treatment for rheumatic disease during pregnancy. Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication.