It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil cardiotoxicity Hydroxychloroquine retinopathy pathogenesis Plaquenil use and weight and maculopathy Fibro and plaquenil Benadryl and Hydroxychloroquine sulfate drug interactions by duration, gender, age Summary Drug interactions are reported among people who take Benadryl and Hydroxychloroquine sulfate together. This study is created by eHealthMe based on reports of 104 people who take Benadryl and Hydroxychloroquine sulfate from FDA, and is updated regularly. It may interact with medications that are used to treat dementia and Alzheimer's disease, such as Aricept, Razadyne and Exelon. These medications and Benadryl can lessen the effects of each other. Anticholinergic drugs used for gastrointestinal problems, respiratory disease and Parkinson's disease may also interact, causing increased side effects. 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. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Does hydroxychloroquine interact with benedryl Drug Interactions With Hydroxychloroquine, How does Benadryl interact with other medications and. Can plaquenil grow hairAnyone has uti from taking hydroxychloroquineChloroquine effect on gametocytesPlaquenil price in uaeIs hydroxychloroquine safe while pregnant View interaction reports for hydroxychloroquine and the medicines listed below. Advil ibuprofen Aleve naproxen amitriptyline. amoxicillin. aspirin. Aspirin Low Strength aspirin Benadryl diphenhydramine . Plaquenil Oral Uses, Side Effects, Interactions.. Foods to Avoid When Taking Plaquenil Oral. Diphenhydramine belongs to a group of medications known as antihistamines. Antihistamines are used to treat symptoms caused by allergies, including itchy and watery eyes, sneezing, runny nose, and skin rash and irritations. Alcoholism, hepatic disease. Hydroxychloroquine should be used with caution in patients with hepatic disease, a history of alcoholism, or in conjunction with known hepatotoxic drugs. A dosage reduction may be necessary in patients with hepatic disease and in those taking medicines known to affect the liver. HI all, I take methotrexate, plaquenil and folic acid. Does anyone else take these and ever take Benadryl as well? My allergies are so bad tonight. I actually haven't had many allergy issues since starting my RA meds so I haven't thought to discuss Benadryl with my doctors. It is on my list of.