It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Plaquenil normal dosage Hydroxychloroquine assistance program Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. Hello I have just been reading that plaquenil can cause insomnia and nightmares which I suffer with. I take my plaquenil with my evening meal. When is the best time to take it? Would it be best in. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Plaquenil insomnia Hydroxychloroquine Oral Uses, Side Effects, Interactions., Plaquenil Oral Uses, Side Effects, Interactions, Pictures. Chloroquine treatment freshawaterSjogrens plaquenil rash Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. When best time of day to take plaquenil? - LUPUS UK. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Plaquenil isn't known for causing insomnia. It is also a drug that stays in your system for a long time and takes a long time getting IN to your system. It takes 3-5 months to work and just as long to get out of your system. Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work.