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 phosphate injection dosage Does hydroxychloroquine affect the kidneys When I started Plaquenil back in November last year, I had terrible headaches which started about 1/2 an hour after taking pills. It happened so consistently that I started taking tylenol when I would take it. I would lay down with an ice pack under my neck and darken the room. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Please I need to find out if anyone who has taken plaquenil has experienced back and hip pain. I started in Oct of 2011 taking 200 mg of plaquenil once a day. In April of 2012 I started taking 400 mg 2 x's a day. I did start to notice that I was having pain when I tried to sleep at night. Mostly in my arms hands and ankles. 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 back pain and headache Plaquenil and headaches" Lupus Community - Support Group, Side Effects of Plaquenil Hydroxychloroquine, Can plaquenil cause low white blood cell count Headaches and migraines are common health conditions that can occur in a number of ways and have a wide range of causes. People who have lupus have an increased chance of having headaches compared to the rest of the population. Learn more about the causes, treatment and prevention. Coping with Headaches and Migraines - LUPUS UK. Plaquenil and pain" Rheumatoid Arthritis Community.. Plaquenil Withdrawal – Life As An Anomaly. 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. Hydroxychloroquine is a DMARD. The brand name is Plaquenil. What does Plaquenil do? Plaquenil relieves pain and swelling and prevents damage to joints. How long does Plaquenil take to work? Plaquenil works very slowly. In 1 to 3 months you should start to feel better. You may continue to get better for up to 1 year. 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.