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  1. PAD (See: Peripheral artery disease)
  2. Paget's disease of bone
  3. Paget's disease of the breast
  4. Paget's disease of the nipple (See: Paget's disease of the breast)
  5. Pain, chest (See: Chest pain)
  6. Pain, wrist (See: Wrist pain)
  7. Painful bladder syndrome (See: Interstitial cystitis)
  8. Painful intercourse (dyspareunia)
  9. Painful periods (See: Menstrual cramps)
  10. Palsy, Bell's (See: Bell's palsy)
  11. Palsy, cerebral (See: Cerebral palsy)
  12. Palsy, facial (See: Bell's palsy)
  13. Palsy, progressive supranuclear (See: Progressive supranuclear palsy)
  14. Pancreatic cancer
  15. Pancreatic cysts
  16. Pancreatitis
  17. Panic attacks and panic disorder
  18. Panic attacks and panic disorder (See: Panic attacks and panic disorder)
  19. Paraneoplastic syndromes (See: Paraneoplastic syndromes of the nervous system)
  20. Paraneoplastic syndromes of the nervous system
  21. Paranoid personality disorder (See: Personality disorders)
  22. Paraplegia (See: Spinal cord injury)
  23. Parkinson's disease
  24. Parvovirus infection
  25. Patellar tendinitis
  26. Patellofemoral pain syndrome
  27. Patent ductus arteriosus (PDA)
  28. Patent foramen ovale
  29. Pathological gambling (See: Compulsive gambling)
  30. Pathological laughter and crying (See: Pseudobulbar affect)
  31. Pathological stealing (See: Kleptomania)
  32. PBA (See: Pseudobulbar affect)
  33. PCOS (See: Polycystic ovary syndrome (PCOS))
  34. PDA (See: Patent ductus arteriosus (PDA))
  35. Peanut allergy
  36. Pectus carinatum
  37. Pectus excavatum
  38. Pediatric brain tumors
  39. Pediatric obstructive sleep apnea
  40. Pediatric thrombocytopenia
  41. Pediatric white blood cell disorders
  42. Pediculosis capitis (See: Head lice)
  43. Pelvic inflammatory disease (PID)
  44. Pelvic organ prolapse
  45. Pelvic pain, chronic (See: Chronic pelvic pain in women)
  46. Pelvic support problems, cystocele (See: Anterior prolapse (cystocele))
  47. Pelvic support problems, enterocele (See: Small bowel prolapse (enterocele))
  48. Pelvic support problems, uterine prolapse (See: Uterine prolapse)
  49. Pemphigus
  50. Penicillin allergy
  51. Peptic ulcer
  52. Perforated eardrum (See: Ruptured eardrum (perforated eardrum))
  53. Pericardial effusion
  54. Pericarditis
  55. Perimenopause
  56. Periodontal disease, gingivitis (See: Gingivitis)
  57. Periodontal disease, periodontitis (See: Periodontitis)
  58. Periodontal disease, trench mouth (See: Trench mouth)
  59. Periodontitis
  60. Peripheral artery disease
  61. Peripheral nerve injuries
  62. Peripheral nerve tumors
  63. Peripheral neuropathy
  64. Peripheral vascular disease (See: Peripheral artery disease)
  65. Peritoneal mesothelioma (See: Mesothelioma)
  66. Peritonitis
  67. Pernicious anemia (See: Vitamin deficiency anemia)
  68. Pernio (See: Chilblains)
  69. Peroneal muscular atrophy (See: Charcot-Marie-Tooth disease)
  70. Persistent depressive disorder (dysthymia)
  71. Personality disorder, antisocial (See: Antisocial personality disorder)
  72. Personality disorder, borderline (See: Borderline personality disorder)
  73. Personality disorder, narcissistic (See: Narcissistic personality disorder)
  74. Personality disorder, schizoid (See: Schizoid personality disorder)
  75. Personality disorder, schizotypal (See: Schizotypal personality disorder)
  76. Personality disorders
  77. Pertussis (See: Whooping cough)
  78. Pes planus (See: Flatfeet)
  79. Pet allergy
  80. Peyronie's disease
  81. Phantom pain
  82. Pharyngeal cancer (See: Throat cancer)
  83. Pharyngitis (See: Sore throat)
  84. Phenylketonuria
  85. Pheochromocytoma
  86. Phlebitis (See: Thrombophlebitis)
  87. Phobia, social (See: Social anxiety disorder)
  88. Photosensitivity (See: Polymorphous light eruption)
  89. Pick's disease (See: Frontotemporal dementia)
  90. PID (See: Pelvic inflammatory disease (PID))
  91. Piles (See: Hemorrhoids)
  92. Pilonidal cyst
  93. Pilonidal dimple (See: Sacral dimple)
  94. Pimples (See: Acne)
  95. Pinched nerve
  96. Pink eye (conjunctivitis)
  97. Pinworm infection
  98. Pinworm infection (See: Pinworm infection)
  99. Pituitary insufficiency (See: Hypopituitarism)
  100. Pituitary tumors
  101. Pityriasis rosea
  102. Pityriasis versicolor (See: Tinea versicolor)
  103. PKD (See: Polycystic kidney disease)
  104. PKU (See: Phenylketonuria)
  105. Placenta accreta
  106. Placenta previa
  107. Placental abruption
  108. Plague
  109. Plantar fasciitis
  110. Plantar neuroma (See: Morton's neuroma)
  111. Plantar warts
  112. Pleural mesothelioma (See: Mesothelioma)
  113. Pleurisy
  114. PLS (See: Primary lateral sclerosis (PLS))
  115. Pneumonia
  116. Pneumonitis
  117. Pneumothorax
  118. POEMS Syndrome
  119. Poison ivy rash
  120. Polio
  121. Polycystic kidney disease
  122. Polycystic ovary syndrome (PCOS)
  123. Polycythemia vera
  124. Polyhydramnios
  125. Polymorphous light eruption
  126. Polymyalgia rheumatica
  127. Polymyositis
  128. Polyps, colon (See: Colon polyps)
  129. Polyps, endometrial (See: Uterine polyps)
  130. Polyps, nasal (See: Nasal polyps)
  131. Polyps, stomach (See: Stomach polyps)
  132. Polyps, uterine (See: Uterine polyps)
  133. Pompholyx (See: Dyshidrosis)
  134. Poor color vision
  135. Popliteal artery aneurysm
  136. Popliteal cyst (See: Baker's cyst)
  137. Porphyria
  138. Post-cardiac injury syndrome (See: Dressler's syndrome)
  139. Post-concussion syndrome
  140. Posterior cortical atrophy
  141. Posterior cruciate ligament injury
  142. Posterior prolapse (See: Posterior prolapse (rectocele))
  143. Posterior prolapse (rectocele)
  144. Postherpetic neuralgia
  145. Postmyocardial infarction syndrome (See: Dressler's syndrome)
  146. Postpartum depression
  147. Postpartum hypopituitarism (See: Sheehan's syndrome)
  148. Postpartum preeclampsia
  149. Postpartum thyroiditis
  150. Post-polio syndrome
  151. Post-polio syndrome (See: Post-polio syndrome)
  152. Post-traumatic stress disorder (PTSD)
  153. Postural hypotension (See: Orthostatic hypotension (postural hypotension))
  154. Pouchitis
  155. Prader-Labhart-Willi syndrome (See: Prader-Willi syndrome)
  156. Prader-Willi syndrome
  157. Precocious puberty
  158. Prediabetes
  159. Preeclampsia
  160. Preexcitation syndrome (See: Wolff-Parkinson-White (WPW) syndrome)
  161. Pregnancy-related hypertension (See: Preeclampsia)
  162. Prehypertension
  163. Premature birth
  164. Premature ejaculation
  165. Premature menopause (See: Premature ovarian failure)
  166. Premature ovarian failure
  167. Premature puberty (See: Precocious puberty)
  168. Premature ventricular contractions
  169. Premenstrual syndrome (See: Premenstrual syndrome (PMS))
  170. Premenstrual syndrome (PMS)
  171. Presbycusis (See: Hearing loss)
  172. Presbyopia
  173. Prescription drug abuse
  174. Pressure sores (See: Bedsores (pressure sores))
  175. Preterm labor
  176. Priapism
  177. Prickly heat (See: Heat rash)
  178. Primary aldosteronism
  179. Primary biliary cirrhosis
  180. Primary cough headache (See: Cough headaches)
  181. Primary immunodeficiency
  182. Primary lateral sclerosis (PLS)
  183. Primary ovarian insufficiency (See: Premature ovarian failure)
  184. Primary polycythemia (See: Polycythemia vera)
  185. Primary progressive aphasia
  186. Primary sclerosing cholangitis
  187. Proctitis
  188. Progeria
  189. Progressive supranuclear palsy
  190. Prolactinoma
  191. Prolapse, mitral valve (See: Mitral valve prolapse)
  192. Prolapsed bladder (See: Anterior prolapse (cystocele))
  193. Prolapsed uterus (See: Uterine prolapse)
  194. Prostate cancer
  195. Prostatitis
  196. Pruritis ani (See: Anal itching)
  197. Pruritus (See: Itchy skin (pruritus))
  198. Pseudobulbar affect
  199. Pseudocholinesterase deficiency
  200. Pseudogout
  201. Pseudomembranous colitis
  202. Pseudotumor cerebri
  203. Psoriasis
  204. Psoriatic arthritis
  205. Psychopathic personality (See: Antisocial personality disorder)
  206. Psychosis (See: Schizophrenia)
  207. PTSD (See: Post-traumatic stress disorder (PTSD))
  208. Pubic lice (crabs)
  209. Puffy eyes (See: Bags under eyes)
  210. Pulmonary atresia
  211. Pulmonary edema
  212. Pulmonary embolism
  213. Pulmonary fibrosis
  214. Pulmonary hypertension
  215. Pulmonary valve disease
  216. Pulmonary valve stenosis
  217. PVCs (See: Premature ventricular contractions)
  218. PVD (See: Peripheral artery disease)
  219. Pyelonephritis (See: Kidney infection)
  220. Pyloric stenosis
  221. Pyoderma gangrenosum
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