Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plaquenil worse before better Is hydroxychloroquine an immunosuppressant Nov 09, 2018 Hydroxychloroquine can cause serious liver or heart problems, especially if you use certain medicines at the same time, including other medicines to treat malaria; an antibiotic or antifungal. Your infection may not clear up if you stop using the medicine too soon. For patients taking hydroxychloroquine to prevent malaria Your doctor may want you to start taking this medicine 1 to 2 weeks before you travel to an area where there is a chance of getting malaria. This will help you to see how you react to the medicine. Hi everyone. Just wondered if anyone can tell me whether hydroxy suppresses the immune system. And if so, to what extent. I know it's not as harsh as some of the other drugs but just wondered what people's experiences are. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. What happens if you take hydroxychloroquine withoutfood RA and Hydroxychloroquine How Effective is it for Rheumatoid., Hydroxychloroquine Oral Route Proper Use - Mayo Clinic Dose of chloroquine phosphate Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine and the immune system Hi everyone. - NRAS. Plaquenil Side Effects on Your Eyes and Vision. The risk may also be higher with some doses of hydroxychloroquine, if you use hydroxychloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Call your doctor right away if you have any eyesight changes like blurred or foggy eyesight, trouble focusing or reading, or trouble seeing in dim light. I was on neurontin for about 6 months while also taking Plaquenil. I don't think there are any negative interactions. As for missing doses of Plaquenil, I've been on it for 4.5 years and I used to be able to go a few days missing doses with no ill effects. Over the long term hydroxychloroquine can reduce pain, swelling and joint stiffness. If you have lupus, it may also improve the rash. It may be as long as 12 weeks before you notice the benefits. Hydroxychloroquine is often taken in combination with other drugs such as methotrexate.