P

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Paget's disease of bone	Pneumocystis infection
Paget's disease	Pneumonia
Pancreatic insufficiency (exocrine)	Pneumothorax
Pancreatic mass	Poisoning
Pancreatic neoplasm	Poliomyelitis
Pancreatitis	Polyarteritis nodosa (PAN)
Pancytopenia	Polycystic kidney disease
Panhypopituitarism	Polycystic ovary syndrome
Panniculitis	Polycythaemia
Paracetamol overdose	Polycythaemia rubra vera
Paragonimus infection	Polydipsia
Paralysis/Paresis	Polyglandular autoimmune syndrome
Paraproteinaemia	Polymyalgia rheumatica
Paraquat poisoning	Polymyositis
Parathyroid disorders	Polyuria
Parotid swelling	Porphyria
Paroxysmal nocturnal haemoglobinuria	Portal hypertension
Parvovirus B19 infection	Post-anaesthetic apnoea
Pathological fracture	Post-menopausal bleeding
Pelvic abscess	Post-partum fever
Pelvic inflammatory disease	Post-poliomyelitis syndrome
Peptic ulcer	Precocious puberty
Pericardial effusion	Precocious pseudopuberty
Pericarditis	Pre-eclampsia
Peritoneal dialysis complications	Pregnancy
Peritoneal effusion	Pre-leukaemia
Peritonitis	Preoperative assessment
Peritonsillar abscess	Prolymphocytic leukaemia
Peroxisomal disorders	Prostatic abscess
Pernicious anaemia	Prostatic enlargement
Pertussis	Prostatitis
Petechiae	Protein losing enteropathy
Phaeochromocytoma	Proteinuria
Pharyngitis	Prothrombin mutation
Phenylketonuria	Pruritus
Phospholipid antibody syndrome	Pseudogout
Photosensitivity	Psittacosis
Pigmentation, skin	Psychomotor regression
Pituitary hormone deficiency	Psychomotor retardation
Pituitary hormone excess	Pulmonary embolism
Pituitary/hypothalamic disorders	Pulmonary oedema
Plasma cell dyscrasias	PUO
Platelet disorders	Purpura
Pleural effusion	Pyelonephritis
Pleurisy	Pyrexia of unknown origin
Pleuritis	Pyuria, sterile
Pleurodynia