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. Hydroxychloroquine to stop flare ups Plaquenil and voice issues Chloroquine cytotoxic hemozoin falicparum Lithium and plaquenil How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Summary Drug interactions are reported among people who take Plaquenil and Metronidazole together. This study is created by eHealthMe based on reports of 252 people who take Plaquenil and Metronidazole from Food and Drug Administration FDA, and is updated regularly. Drug Interactions With Hydroxychloroquine Certain parasite medications and beta blockers may cause potentially negative drug interactions with hydroxychloroquine. Some interactions can increase your risk of developing side effects, while others can reduce the effectiveness of the medications. 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. Metronidazole with plaquenil interaction Metronidazole Oral Route Before Using - Mayo Clinic, Plaquenil and Metronidazole drug interactions - eHealthMe Define 4 hydroxychloroquineSide effects of hydroxychloroquine weight gainHow much does plaquenil costHow long chloroquine tablets is good after expiration dateHydroxychloroquine dizziness 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. Plaquenil Oral Interactions with Other Medication. Drug Interactions With Hydroxychloroquine. Flagyl Metronidazole Uses, Dosage, Side Effects.. WebMD provides information about interactions between Lexapro Oral and qt-prolonging-agents-hydroxychloroquine. Many different medications can react negatively with Plaquenil. This eMedTV page covers interactions with beta blockers, certain parasite medications, cyclosporine, digoxin, mefloquine, and phenothiazines, and explains how to avoid complications. Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question.