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. Chloroquin Chloroquine diphosphate lysosome Combination treatment prednisone and plaquenil for ankylosing spondylitis 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. Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. Generally, Plaquenil is a treatment option as monotherapy used alone for mild rheumatoid arthritis or as combination. Acute porphyria symptoms start quickly and last for a few days or weeks. Severe attacks of acute porphyria can sometimes cause nerve damage and muscle weakness that can take months to get better. 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 What Conditions does Plaquenil Treat? - WebMD, Taking Plaquenil for Rheumatoid Arthritis Taking too much hydroxychloroquineHydroxychloroquine dosesChloroquine action and target 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.. Porphyria Types, Symptoms, Causes, and Treatment. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Protecting your eyesight when taking Plaquenil. With all of the physical and emotional complications that lupus can cause, it’s easy to overlook symptoms that seem minor at first. But take this advice Don’t ignore changes in vision.