It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Allergic reaction to hydroxychloroquine burn how long Chloroquine side effect How long do you have to take hydroxychloroquine side effects Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval. Ventricular arrhythmias and torsade de pointes TdP have been reported with the use of hydroxychloroquine. Postmarketing data indicate that hydroxyzine causes QT prolongation and TdP. Dec 18, 2018 Hydroxyzine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of itching, or hives on the skin. Hydroxyzine may be used to treat allergic skin reactions such as hives or contact dermatitis. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Hydroxyzine and plaquenil Nortriptyline Oral Interactions with Other Medication, Plaquenil hydroxychloroquine sulfate dose, indications. Chloroquine diphosphate for ichHydroxychloroquine 20 mgMetformin versus hydroxychloroquine for tyle 2 diabetesOcular safety of hydroxychloroquine Hydroxyzine may rarely cause acute generalized exanthematous pustulosis AGEP, a serious skin reaction characterized by fever and numerous small, superficial, non-follicular, sterile pustules, arising within large areas of edematous erythema; if signs or symptoms suggest AGEP, do not resume use of hydroxyzine and consider alternative therapy. Vistaril hydroxyzine dosing, indications, interactions.. Hydroxyzine Uses, Dosage & Side Effects -. Compare Plaquenil vs Chloroquine -. Skin reactions to hydroxyzine. Michel M1, Dompmartin A, Louvet S, Szczurko C, Castel B, Leroy D. Author information 1Service de Dermatologie, Centre Hospitalier Universitaire, Caen, France. Sensitivity to histamine H1-antagonists has mainly been observed with phenothiazine and ethylenediamine, and is very rare with hydroxyzine. So I ran out of my plaquenil and the Rheum. that prescribed it I am no longer seeing and wont re-fill it and I dont see my new Rheum. until Decemeber 23rd. I am nervous to see what will happen. The pharmacist said there wont be any danger just stopping it. Im just nervous to see what my body will do. Has anyone gone off the plaquenil and what happened? I hear my new Rheum. is all for it so I. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis.