Your body needs a chemical called porphyrin to make heme, a part of RBC that carries oxygen. Porphyria prevents your body from creating enough enzymes to control the process, and porphyrin builds up. Chloroquine slideshare Is chloroquine related to malarone Plaquenil is a prescription medication used to reduce pain and swelling caused by diseases of the immune system such as rheumatoid arthritis, juvenile arthritis, and systemic lupus erythematosus SLE. This medication belongs to a group of drugs called DMARDs disease modifying antirheumatic drugs which work by suppressing the excessive activity of the immune system. Plaquenil is used to treat other types of infections too. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. The drug may be used to treat a type of blood disease called porphyria cutanea tarda. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Low levels of heme can also cause organ damage, because your blood cannot bring the organs enough oxygen. High levels of porphyrin can cause problems throughout your body, depending on where it builds up. What does plaquenil do for porphyria Porphyria Types, Symptoms, Causes, and Treatment, Plaquenil Hydroxychloroquine - Side Effects, Dosage. Hydroxychloroquine for lichen sclerosus lichen planus eye side effectsPlaquenil weight gain forum How to use Plaquenil. 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. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine MedlinePlus Drug Information. What is hydroxychloroquine Plaquenil, and how does it work mechanism of action? What brand names are available for hydroxychloroquine Plaquenil? Is hydroxychloroquine Plaquenil available as a generic drug? Do I need a prescription for hydroxychloroquine Plaquenil? What are the side effects of hydroxychloroquine Plaquenil? Your body needs a chemical called porphyrin to make heme, a part of RBC that carries oxygen. Porphyria prevents your body from creating enough enzymes to control the process, and porphyrin builds up. High levels of porphyrin can cause problems throughout your body, depending on where it builds up. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth.