It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. How does plaquenil affect your eyes What is chloroquine used for Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. A list of drugs that interact with Hydroxychloroquine. Hydroxychloroquine is predicted to increase the risk of haematological toxicity when given with penicillamine. Currently, warfarin is generally the long-term anticoagulant of choice for patients with known APS. 3 4 If effective, hydroxychloroquine could be a much safer alternative to warfarin as prophylaxis against thrombosis in patients with this syndrome. However, convincing evidence that hydroxychloroquine can be effective and the mechanism by which. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Hydroxychloroquine interference with warfarin Doxycycline Interactions BNF content published by NICE, Hydroxychloroquine Interactions BNFc content published by. Plaquenil and sleCan plaquenil cause ear problemsChloroquine functional group Cigarette smoking has been suspected to increase the risk and the activity of systemic lupus erythematosus SLE 1,2 and cutaneous lupus. 3,4 Some data indicate that cigarette smoking might interfere with the effectiveness of hydroxychloroquine and chloroquine in cutaneous lupus. 3,4 As these antimalarial agents are partly metabolised via the cytochrome P450 enzyme system and as the constituents of cigarette smoke are known potent inducers of cytochrome P450, it has been hypothesised that. Relationship between blood hydroxychloroquine and.. Hydroxychloroquine Reverses Thrombogenic Properties of.. Warfarin Interactions BNF content published by NICE. The study is based on warfarin sodium and hydroxychloroquine sulfate the active ingredients of Warfarin sodium and Plaquenil, respectively, and Warfarin sodium and Plaquenil the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Warfarin side effects are dangerous and put you at risk of heavy bleeding. Learn more about what to watch for and how you can prevent side effects from occurring. Warfarin side effects are dangerous and put you at risk of heavy bleeding. Learn more about what to watch for and how you can prevent side effects from occurring. Hydroxychloroquine oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or.