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. Hydroxychloroquine for hair loss Plaquenil and beer Plaquenil side effects skin discoloration I accidentally have taken 2-3 extra doses of my thyroid medication the last few days. Should I skip a day take a dose and skip another day? I'm in the process of cutting down the dosage due to surgery 18 month ago. I have gone from 175 to 112 and it still needs to go lower as I'm way over medicated. This how I messed up. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Caution is advised when using Plaquenil in children because they may be more sensitive to the side effects of the drug. Plaquenil is not recommended for long-term use in children. If a child accidentally takes Plaquenil, even a small amount can be very harmful possibly fatal. Be sure to keep Plaquenil out of the reach of children. 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. Accidental double dose of plaquenil PLAQUENIL®, Hydroxychloroquine Side Effects, Dosage, Uses, and More How does plaquenil help rheumatoid arthritis You could probably take up to 240 mg safely, but this dose is meant to be taken once daily. I recommend you call the physician on call for your prescribing physician to find out what to do. Take your blood pressure and pulse before calling so you can report it to the doctor. I accidentally took my blood pressure medicine twice, will I.. Buy Plaquenil Online - Universal Drugstore™. Rx Side Effects New Plaquenil Guidelines and More.. However, in general terms, taking 400 mg of hydroxychloroquine is within a safe range for most people. In fact, for some people, this will be the dose they are prescribed. Jeff Donovan MD PhD FRCPC FAAD US & Canadian board-certified Dermatologist Toronto, Canada Avoid taking an extra dose in the future. Try to take your medicine at the same time every day. Use a pillbox or other system to help keep track of your pills. This will help prevent you from accidentally missing or taking an extra dose. If you don't feel okay, call your doctor right away! Can a double dose of blood pressure med hurt - My pharmacist printouts usually say whether to take the med or not if one forgets. Even antibiotics have a time span between doses which a lot of people don't know. With b/p meds, when there is a question of not taking the med, then it is important to monitor the b/p.