Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Chloroquine dose for child Lariago chloroquine phosphate 250 mg Cr3 ii chloroquine Drugs like plaquenil Plaquenil is not an immunosuppressive medication, it is an antimalarial. Plaquenil disrupts the signal from the presenting immune cells to the phagocytes. Asked in Benadryl diphenhydramine I had been taking plaquenil since April for my lupus and sjogrens. It was working really well and just recently my rheumy told that I was in remission. I felt great. Then I had an allergic reaction to the plaquenil - a rash all over my body, neck, arms and legs. I stopped taking it 1 week ago. Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil and benadryl Nighttime Leg Cramps Meds That Hurt, Meds That Help - GoodRx, Allergic reaction to plaquenil DailyStrength Chloroquine 250 mg side effectsBuy plaquenil online Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical uses, and.. Plaquenil Drug and Medication User Reviews on RxList. Diphenhydramine; Hydrocodone; Phenylephrine Moderate Concomitant use of hydrocodone with hydroxychloroquine may increase hydrocodone plasma concentrations and prolong opioid adverse reactions, including hypotension, respiratory depression, profound sedation, coma, and death. It is recommended to avoid this combination when hydrocodone is. This review analyzes which people have High blood pressure with Plaquenil and Benadryl. It is created by eHealthMe based on reports of 805 people who have side effects when taking Plaquenil and Benadryl from Food and Drug Administration FDA, and is updated regularly. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days.