Type in a drug name to check for interactions with hydroxychloroquine. View interaction reports for hydroxychloroquine and the medicines listed below. The relevance of a particular drug interaction to a specific individual is difficult to determine. Chloroquine allergy Hydroxychloroquine zentiva Chloroquine phosphate bp Melatonin is a hormone found naturally in the body. Melatonin used as medicine is usually made synthetically in a is most commonly available in pill form, but melatonin is also available in forms that can be placed in the cheek or under the allows the melatonin to be absorbed directly into the body. Medications That Make You Tired. Common culprits and what you can do. Pharmacy and Medication Tips. Things to remember when you fill your prescription. Medication Side Effects. What is Hydroxychloroquine Plaquenil®. Hydroxychloroquine is used in the treatment of arthritis to help relieve inflammation, swelling, stiffness, and joint pain. Drug interactions are reported among people who take Plaquenil and Melatonin together. Always consult your healthcare provider before starting or stopping any medication. Plaquenil and melatonin Hydroxychloroquine Drug Interactions -, Drugs & Medications - WebMD Doxycycline and plaquenil interactions Feb 19, 2020 Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil Information Hydroxychloroquine Johns Hopkins.. Insomnia because of plaquenil DailyStrength. Melatonin is a hormone -- a powerful chemical messenger -- and the fact that it's over the counter doesn't mean that it isn't dangerous if taken incorrectly. For your own sake, please read more a bit this an be careful. Cannabidiol in the Cytochrome P-450 System. Cannabidiol can inhibit the cytochrome P450 system’s ability to metabolize certain drugs, leading to an overall increase in processing times. Interestingly, CBD oil is not alone in its effect on drug metabolism. 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 have been reported with the use of hydroxychloroquine. Potential QT prolongation has been reported in limited case reports with metronidazole.