Palindromic Rheumatism an episodic form of arthritis believed to be connected to RA and Antiphospholipid Syndrome More information
Paraneoplastic neurologic disorders
Pemphigus vulgaris causes blister formations in the skin and the mucous membranes and begins with blisters in the mouth and on the scalp PV Network
Pemphigus follaceus PF) is a blistering disease. It is milder than Pemphigus Vulgaris. Blisters are mainly on chest, back, face and scalp. Healthy appearing skin blisters when rubbed. PV Network
Pemphigoid gestationis (PG) is a rare autoimmune bullous dermatosis of pregnancy. The inflammatory response is manifested by redness, itching and blisters. DermaNet NZ
Pernicious anemia prevents the absorption of B 12 vitamin causing, paleness, weakness and nerve damage.MedicineNet
Paraneoplastic pemphigus (PNP) is the most rare and serious form of pemphigus and is often found in people with cancer. Painful sores of the mouth, lips and oesophagus. PV Network
Polyangiitis - see Microscopic polyangiitis
Polyarteritis nodosa (PAN) inflames the arteries. Areas affected can include muscles, joints, intestines, nerves, kidneys, and skin. symptoms can include fatigue, weight loss, and fever. pansupportJohns Hopkins Vasculitis Center
Polymyositis/dermatomyositisare neuromuscular diseases. They are sometimes referred to as connective tissue diseases that occur in all ages and both sexes. Limb (proximal) and neck weakness, sometimes with muscle pain. Dermatomyositis has skin rashes on the face and upper chest. Usually an elevated blood level of CPK. PolymyositisDermatomyositis
Polymyalgia Rheumatica - A Syndrome of moderate to severe pain and stiffness in the shoulders and hips. Mayo Clinic
Primary biliary cholangitis, use to be called primary biliary Cirrhosis (PBC) also called Hanot Syndrome, is a chronic liver disease, where the body destroys the cells lining the bile ducts in the liver.Find out more
Primary sclerosing cholangitis (PSC) symptoms are itching, fatigue and yellowing of the eyes or skin. MedicinenetLiver Foundation
Psoriasis is a skin problem that causes skin cells to grow too quickly, resulting in thick patches of skin. MedicineNetWebMD
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Raynaud's phenomenon affects the blood vessels in the fingers, toes, ears, and nose with colour changes of the skin (white, blue or red). Often with cold-induced numbness (pins and needles sensation) of the fingers and toes. Info
Recoverin-associated retinopathy(RAR) see Retinopathy
Reactive Arthritis formerly known as Reiter’s syndrome, has inflammation and pain in the joints, conjunctivitis and urinary symptoms usually after an infection. Better HealthArthritis Victoria
Retinopathy causesretinal degeneration with rapid, painless vision loss associated with sensitivity to light. Similar to cancer-associated retinopathy (CAR) but without a detectable underlying cancer. ScopeMedNational Eye Institute
Rheumatoid arthritis (RA) is a chronic disease that causes stiffness, pain, loss of mobility and inflammation of the joints. It usually affects hands and wrists and sometimes elbows, neck, shoulders, hips, knees, and feet. Other symptoms include fatigue & a sense of not feeling well. Medscape Rheumatoid Arthritis Resource Center The Arthritis Foundation:American Family Physician: Rheumatoid Arthritis