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. Hydroxychloroquine arthritis mechanism Avastin hydroxychloroquine Hydroxychloroquine plaquenil and surgery Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Photosensitivity is a skin reaction i.e. rash that occurs after exposure to ultraviolet UV radiation from the sun or an artificial light source. Photosensitivity can be caused by various agents, including drugs, perfume, cosmetics, and even the sunscreen that is meant to protect your skin. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. 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. Hydroxychloroquine and sun Rheumatoid Arthritis Medication Beware of Sunburn if You., Photosensitivity Reaction With Certain Medications Can i just stop taking hydroxychloroquinePlaquenil et fatigue Use care if you will be in the sun. Tell your doctor if you sunburn easily while taking this drug. Low blood sugar has happened with hydroxychloroquine. Sometimes, this has been very bad and could be life-threatening. Keep taking hydroxychloroquine as you have been told by your doctor or other health care provider, even if you feel well. Hydroxychloroquine Indications, Side Effects, Warnings.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine is a quinoline medicine 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. This medicine is not effective against all strains of malaria. It has a wide variety of known effects – aspirin-like anti-inflammatory, mild immunosuppressive and mild cholesterol lowering amongst others. Perhaps an important property is that of sun-protection. This may contribute to its success in treating many sun-sensitive rashes in lupus. Dose The normal dose of Plaquenil is 1 tablet a day 200mg/day.