Back pain causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Common Causes

• Discopathy
• Idiopathic lumbago
• Trauma due to lifting
• Ligament strain
• Radiculopathy
• Posterior Rami Syndrome

Complete Differential Diagnosis of the Causes of Back pain

(In alphabetical order)

Abatacept Abdominal Aortic Aneurysm Abnormal posturing Abnormally flexible ribs Achalasia Acitretin Acute intermittent porphyria Acute prostatitis Addisons disease Adrenal hemorrhage Albuterol Aldesleukin Alexithymia Alkaptonuria Alprazolam Amitriptyline Anagrelide Angina pectoris Angiotensin II receptor antagonist Ankylosing Spondylitis Aortic aneurysm(Abdominal) Aortic Dissection Arachnoiditis Bearberry Bechterew's Disease Bone metastases Borreliosis Bortezomib Breast cancer Bright's disease Budesonide Inhalation Powder Cadmium poisoning Calcitonin Salmon Nasal Spray Candesartan Carbamazepine Carboplatin Cat scratch fever Cauda equina syndrome Cervical cancer Cervical fracture Cetuximab Injection Childbirth Cholelithiasis Cholesterol embolism Chordoma Chronic fatigue syndrome Chronic inflammatory demyelinating polyneuropathy Chronic uteral obstruction Clofarabine Injection Cobb syndrome Coccydynia Colorectal cancer Conversion syndrome Coxarthrosis Cramp Cushing's Disease Cyanocobalamin Injection Darbepoetin Alfa Injection Daunorubicin Degenerative disc disease Desloratadine Desmoplastic small round cell tumor Didanosine Diffuse idiopathic skeletal hyperostosis Diflunisal Disc space infection Discitis Dofetilide Donepezil Dorsopathy Drotrecogin alfa Dural ectasia Dysraphia Ectopic pregnancy Efalizumab Injection Ehlers-Danlos syndrome Endometriosis Epidural abscess Epoetin Alfa Injection

Eszopiclone Etodolac Facet Syndrome Fenoprofen Fexofenadine Fibromyalgia Formoterol Fulvestrant Injection Gemeprost Glatiramer Injection Gonarthrosis Hantavirus Pulmonary Syndrome Hemangioma Herpes Zoster Hyperparathyroidism (primary/secondary) Ibandronate Idiopathic Indinavir Infliximab Injection Injury of disci and ligaments Juvenile osteochondrosis of spine Leflunomide Leg length discrepancy Leriche's Syndrome Listeria monocytogenes Lumbago Syndrome Lumbar disc disease Lumbar strain Lung cancer Malignant processes of vertebral body Marfan syndrome Meclofenamate Mediastinitis Medroxyprogesterone Injection Mefenamic Acid Meningioma Menopause Mesalamine Metastases Modafinil Multiple Myeloma Mycophenolate Myelofibrosis Myocardial infarction Myositis Myotendinosis Nabumetone Nateglinide oral Nephrolithiasis Olanzapine Osteoarthritis Osteochondroma Osteochondrosis Osteogenesis imperfecta Osteogenic Sarcoma Osteomalacia Osteomyelitis Osteoporosis Ovarian cancer Oxaliplatin injection Oxcarbazepine Oxybutynin Paget's Disease Pancreatic cancer Pancreatitis Pelvic inflammatory disease Peptic ulcer disease Pergolide Pilonidal cyst Piriformis syndrome Piroxicam Pleuritis Pneumonia Poliomyelitis Polycystic kidney disease Polymyalgia Rheumatica Posaconazole Posterior Rami Syndrome Postlaminectomy Posttraumatic spinal stenosis

Pott's disease Praziquantel Prednisolone Pregabalin Pregnancy Premenstrual syndrome Prostate cancer Prostatitis Psoriatic Arthritis Psychosomatic Pulmonary embolism Pyelonephritis Ranibizumab injection Reiter's Syndrome Renal osteodystrophy Renal vein thrombosis Repaglinide Retroperitoneal fibrosis Retroperitoneal hematoma Rheumatoid Arthritis Ribavirin Rift Valley fever Risedronate Rituximab injection Rosiglitazone Sacroiliitis Salpingitis Salsalate Saquinavir Sargramostim injection Scheuermann's Disease Sciatica Scoliosis Selegiline Sibutramine Sickle Cell Disease Sirolimus Sodium oxybate Solifenacin Spina Bifida Spinal cord compression Spinal disc herniation Spinal fusion Spinal stenosis Spinal tumor Spondylolisthesis Spondylolysis Spondylosis Subarachnoid hemorrhage Sulfinpyrazone Sulindac Sunitinib Syringomyelia Tabes dorsalis Tacrolimus topical Tadalafil Tamsulosin Tegaserod Telbivudine Telmisartan Temozolomide Tension myositis syndrome Terazosin Tethered cord syndrome Transverse myelitis Traumatic aortic rupture Triamterene Urinary tract infection Valganciclovir Valproic Acid Valsartan Vancomycin Hydrochloride Vardenafil Vertebral Fractures Vertebral subluxation Zolpidem Zonisamide

Complete Differential Diagnosis of the Causes of Back pain

(By organ system)

Cardiovascular	Abdominal Aortic Aneurysm, Angina pectoris, Aortic Dissection, Endocarditis (bacterial) Leriche's Syndrome, Myocardial infarction, Traumatic aortic rupture,
Chemical / poisoning	No underlying causes
Dermatologic	Pilonidal cyst,
Drug Side Effect	Abatacept , Acitretin , Albuterol , Aldesleukin , Alprazolam, Amitriptyline , Anagrelide , Angiotensin II receptor antagonist, Budesonide Inhalation Powder , Calcitonin Salmon Nasal Spray , Candesartan , Carbamazepine , Carboplatin , Cetuximab Injection , Clofarabine Injection , Cyanocobalamin Injection , Darbepoetin Alfa Injection , Daunorubicin , Desloratadine , Didanosine , Diflunisal , Dofetilide , Donepezil , Drotrecogin alfa, Efalizumab Injection , Epoetin Alfa Injection , Eszopiclone , Etodolac , Fenoprofen , Fexofenadine , Formoterol , Fulvestrant Injection , Glatiramer Injection , Ibandronate , Indinavir , Infliximab Injection , Leflunomide , Meclofenamate , Medroxyprogesterone Injection , Mefenamic Acid , Mesalamine , Modafinil , Mycophenolate , Nabumetone , Nateglinide oral , Olanzapine , Oxaliplatin injection , Oxcarbazepine , Oxybutynin , Pergolide , Piroxicam , Posaconazole , Praziquantel, Pregabalin , Ranibizumab injection , Repaglinide , Ribavirin , Risedronate , Rituximab injection , Rosiglitazone , Salsalate , Saquinavir , Sargramostim injection , Selegiline , Sibutramine , Sirolimus , Sodium oxybate , Solifenacin , Sulfinpyrazone , Sulindac , Sunitinib , Tacrolimus topical , Tadalafil, Tamsulosin, Tegaserod , Telbivudine , Telmisartan , Temozolomide , Terazosin , Valganciclovir , Valproic Acid , Valsartan , Vancomycin Hydrochloride , Vardenafil, Zolpidem , Zonisamide ,
Ear Nose Throat	No underlying causes
Endocrine	Addisons disease, Cushing's Disease, Hyperparathyroidism (primary/secondary),
Environmental	Cadmium poisoning,
Gastroenterologic	Achalasia, Cholelithiasis, Pancreatitis, Peptic ulcer disease,
Genetic	Marfan syndrome, Spina Bifida, Osteogenesis imperfecta, Sickle Cell Disease,
Hematologic	No underlying causes
Iatrogenic	No underlying causes
Infectious Disease	Borreliosis, Cat scratch fever, Herpes Zoster, Pott's disease, Rift Valley fever, Urinary tract infection,
Musculoskeletal / Ortho	Abnormal posturing, Abnormally flexible ribs, Ankylosing Spondylitis, Cervical fracture, Coxarthrosis, Cramp, Degenerative disc disease, Disc space infection, Dorsopathy, Gonarthrosis, Lumbar disc disease, Lumbar strain, Malignant processes of vertebral body, Myelofibrosis, Myositis, Myotendinosis, Osteoarthritis, Osteochondroma, Osteochondrosis, Osteogenesis imperfecta, Osteogenic Sarcoma, Osteomalacia, Osteomyelitis, Osteoporosis, Paget's Disease, Piriformis syndrome, Poliomyelitis, Polymyalgia Rheumatica, Pott's disease, Psoriatic Arthritis, Spinal disc herniation, Spinal fusion, Spinal stenosis, Spinal tumor, Spondylolisthesis, Spondylolysis, Spondylosis, Sacroiliitis, Sciatica, Scoliosis, Vertebral Fractures, Vertebral subluxation,
Neurologic	Arachnoiditis, Chronic inflammatory demyelinating polyneuropathy, Dural ectasia, Epidural abscess, Posterior Rami Syndrome, Subarachnoid hemorrhage, Syringomyelia, Tabes dorsalis, Transverse myelitis,
Nutritional / Metabolic	Osteomalacia, Osteoporosis,
Obstetric/Gynecologic	Cervical cancer, Childbirth, Ectopic pregnancy, Endometriosis, Menopause, Ovarian cancer, Pregnancy, Salpingitis,
Oncologic	Cervical cancer, Desmoplastic small round cell tumor, Hemangioma, Lung cancer, Meningioma, Multiple Myeloma, Osteogenic Sarcoma, Ovarian cancer,
Opthalmologic	Reiter's Syndrome,
Overdose / Toxicity	Bearberry,
Psychiatric	Alexithymia, Conversion syndrome, Psychosomatic, Tension myositis syndrome,
Pulmonary	Hantavirus Pulmonary Syndrome, Lung cancer, Pleuritis, Pneumonia, Pulmonary embolism,
Renal / Electrolyte	Chronic uteral obstruction, Nephrolithiasis, Polycystic kidney disease, Pyelonephritis, Renal osteodystrophy, Renal vein thrombosis,
Rheum / Immune / Allergy	Ankylosing Spondylitis, Chronic inflammatory demyelinating polyneuropathy, Rheumatoid Arthritis,
Sexual	No underlying causes
Trauma	Injury of Disci and ligaments,
Urologic	Acute prostatitis,
Miscellaneous	Fibromyalgia, Chronic fatigue syndrome, Dysraphia, Facet Syndrome, Mediastinitis, Retroperitoneal fibrosis, Retroperitoneal hematoma, Scheuermann's Disease,

=== Common Causes ===

• Discopathy
• Idiopathic lumbago
• Trauma due to lifting
• Ligament strain
• Radiculopathy
• Posterior Rami Syndrome

Complete Differential Diagnosis of the Causes of Back pain

(In alphabetical order)

Abatacept Abdominal Aortic Aneurysm Abnormal posturing Abnormally flexible ribs Achalasia Acitretin Acute intermittent porphyria Acute prostatitis Addisons disease Adrenal hemorrhage Albuterol Aldesleukin Alexithymia Alkaptonuria Alprazolam Amitriptyline Anagrelide Angina pectoris Angiotensin II receptor antagonist Ankylosing Spondylitis Aortic aneurysm(Abdominal) Aortic Dissection Arachnoiditis Bearberry Bechterew's Disease Bone metastases Borreliosis Bortezomib Breast cancer Bright's disease Budesonide Inhalation Powder Cadmium poisoning Calcitonin Salmon Nasal Spray Candesartan Carbamazepine Carboplatin Cat scratch fever Cauda equina syndrome Cervical cancer Cervical fracture Cetuximab Injection Childbirth Cholelithiasis Cholesterol embolism Chordoma Chronic fatigue syndrome Chronic inflammatory demyelinating polyneuropathy Chronic uteral obstruction Clofarabine Injection Cobb syndrome Coccydynia Colorectal cancer Conversion syndrome Coxarthrosis Cramp Cushing's Disease Cyanocobalamin Injection Darbepoetin Alfa Injection Daunorubicin Degenerative disc disease Desloratadine Desmoplastic small round cell tumor Didanosine Diffuse idiopathic skeletal hyperostosis Diflunisal Disc space infection Discitis Dofetilide Donepezil Dorsopathy Drotrecogin alfa Dural ectasia Dysraphia Ectopic pregnancy Efalizumab Injection Ehlers-Danlos syndrome Endometriosis Epidural abscess Epoetin Alfa Injection

Eszopiclone Etodolac Facet Syndrome Fenoprofen Fexofenadine Fibromyalgia Formoterol Fulvestrant Injection Gemeprost Glatiramer Injection Gonarthrosis Hantavirus Pulmonary Syndrome Hemangioma Herpes Zoster Hyperparathyroidism (primary/secondary) Ibandronate Idiopathic Indinavir Infliximab Injection Injury of disci and ligaments Juvenile osteochondrosis of spine Leflunomide Leg length discrepancy Leriche's Syndrome Listeria monocytogenes Lumbago Syndrome Lumbar disc disease Lumbar strain Lung cancer Malignant processes of vertebral body Marfan syndrome Meclofenamate Mediastinitis Medroxyprogesterone Injection Mefenamic Acid Meningioma Menopause Mesalamine Metastases Modafinil Multiple Myeloma Mycophenolate Myelofibrosis Myocardial infarction Myositis Myotendinosis Nabumetone Nateglinide oral Nephrolithiasis Olanzapine Osteoarthritis Osteochondroma Osteochondrosis Osteogenesis imperfecta Osteogenic Sarcoma Osteomalacia Osteomyelitis Osteoporosis Ovarian cancer Oxaliplatin injection Oxcarbazepine Oxybutynin Paget's Disease Pancreatic cancer Pancreatitis Pelvic inflammatory disease Peptic ulcer disease Pergolide Pilonidal cyst Piriformis syndrome Piroxicam Pleuritis Pneumonia Poliomyelitis Polycystic kidney disease Polymyalgia Rheumatica Posaconazole Posterior Rami Syndrome Postlaminectomy Posttraumatic spinal stenosis

Pott's disease Praziquantel Prednisolone Pregabalin Pregnancy Premenstrual syndrome Prostate cancer Prostatitis Psoriatic Arthritis Psychosomatic Pulmonary embolism Pyelonephritis Ranibizumab injection Reiter's Syndrome Renal osteodystrophy Renal vein thrombosis Repaglinide Retroperitoneal fibrosis Retroperitoneal hematoma Rheumatoid Arthritis Ribavirin Rift Valley fever Risedronate Rituximab injection Rosiglitazone Sacroiliitis Salpingitis Salsalate Saquinavir Sargramostim injection Scheuermann's Disease Sciatica Scoliosis Selegiline Sibutramine Sickle Cell Disease Sirolimus Sodium oxybate Solifenacin Spina Bifida Spinal cord compression Spinal disc herniation Spinal fusion Spinal stenosis Spinal tumor Spondylolisthesis Spondylolysis Spondylosis Subarachnoid hemorrhage Sulfinpyrazone Sulindac Sunitinib Syringomyelia Tabes dorsalis Tacrolimus topical Tadalafil Tamsulosin Tegaserod Telbivudine Telmisartan Temozolomide Tension myositis syndrome Terazosin Tethered cord syndrome Transverse myelitis Traumatic aortic rupture Triamterene Urinary tract infection Valganciclovir Valproic Acid Valsartan Vancomycin Hydrochloride Vardenafil Vertebral Fractures Vertebral subluxation Zolpidem Zonisamide

Causes by Organ System

Cardiovascular	Abdominal Aortic Aneurysm, Angina pectoris, Aortic Dissection, Endocarditis (bacterial) Leriche's Syndrome, Myocardial infarction, Traumatic aortic rupture,
Chemical / poisoning	No underlying causes
Dermatologic	Pilonidal cyst,
Drug Side Effect	Abatacept , Acitretin , Albuterol , Aldesleukin , Alprazolam, Amitriptyline , Anagrelide , Angiotensin II receptor antagonist, Budesonide Inhalation Powder , Calcitonin Salmon Nasal Spray , Candesartan , Carbamazepine , Carboplatin , Cetuximab Injection , Clofarabine Injection , Cyanocobalamin Injection , Darbepoetin Alfa Injection , Daunorubicin , Desloratadine , Didanosine , Diflunisal , Dofetilide , Donepezil , Drotrecogin alfa, Efalizumab Injection , Epoetin Alfa Injection , Eszopiclone , Etodolac , Fenoprofen , Fexofenadine , Formoterol , Fulvestrant Injection , Glatiramer Injection , Ibandronate , Indinavir , Infliximab Injection , Leflunomide , Meclofenamate , Medroxyprogesterone Injection , Mefenamic Acid , Mesalamine , Modafinil , Mycophenolate , Nabumetone , Nateglinide oral , Olanzapine , Oxaliplatin injection , Oxcarbazepine , Oxybutynin , Pergolide , Piroxicam , Posaconazole , Praziquantel, Pregabalin , Ranibizumab injection , Repaglinide , Ribavirin , Risedronate , Rituximab injection , Rosiglitazone , Salsalate , Saquinavir , Sargramostim injection , Selegiline , Sibutramine , Sirolimus , Sodium oxybate , Solifenacin , Sulfinpyrazone , Sulindac , Sunitinib , Tacrolimus topical , Tadalafil, Tamsulosin, Tegaserod , Telbivudine , Telmisartan , Temozolomide , Terazosin , Valganciclovir , Valproic Acid , Valsartan , Vancomycin Hydrochloride , Vardenafil, Zolpidem , Zonisamide ,
Ear Nose Throat	No underlying causes
Endocrine	Addisons disease, Cushing's Disease, Hyperparathyroidism (primary/secondary),
Environmental	Cadmium poisoning,
Gastroenterologic	Achalasia, Cholelithiasis, Pancreatitis, Peptic ulcer disease,
Genetic	Marfan syndrome, Spina Bifida, Osteogenesis imperfecta, Sickle Cell Disease,
Hematologic	No underlying causes
Iatrogenic	No underlying causes
Infectious Disease	Borreliosis, Cat scratch fever, Herpes Zoster, Pott's disease, Rift Valley fever, Urinary tract infection,
Musculoskeletal / Ortho	Abnormal posturing, Abnormally flexible ribs, Ankylosing Spondylitis, Cervical fracture, Coxarthrosis, Cramp, Degenerative disc disease, Disc space infection, Dorsopathy, Gonarthrosis, Lumbar disc disease, Lumbar strain, Malignant processes of vertebral body, Myelofibrosis, Myositis, Myotendinosis, Osteoarthritis, Osteochondroma, Osteochondrosis, Osteogenesis imperfecta, Osteogenic Sarcoma, Osteomalacia, Osteomyelitis, Osteoporosis, Paget's Disease, Piriformis syndrome, Poliomyelitis, Polymyalgia Rheumatica, Pott's disease, Psoriatic Arthritis, Spinal disc herniation, Spinal fusion, Spinal stenosis, Spinal tumor, Spondylolisthesis, Spondylolysis, Spondylosis, Sacroiliitis, Sciatica, Scoliosis, Vertebral Fractures, Vertebral subluxation,
Neurologic	Arachnoiditis, Chronic inflammatory demyelinating polyneuropathy, Dural ectasia, Epidural abscess, Posterior Rami Syndrome, Subarachnoid hemorrhage, Syringomyelia, Tabes dorsalis, Transverse myelitis,
Nutritional / Metabolic	Osteomalacia, Osteoporosis,
Obstetric/Gynecologic	Cervical cancer, Childbirth, Ectopic pregnancy, Endometriosis, Menopause, Ovarian cancer, Pregnancy, Salpingitis,
Oncologic	Cervical cancer, Desmoplastic small round cell tumor, Hemangioma, Lung cancer, Meningioma, Multiple Myeloma, Osteogenic Sarcoma, Ovarian cancer,
Opthalmologic	Reiter's Syndrome,
Overdose / Toxicity	Bearberry,
Psychiatric	Alexithymia, Conversion syndrome, Psychosomatic, Tension myositis syndrome,
Pulmonary	Hantavirus Pulmonary Syndrome, Lung cancer, Pleuritis, Pneumonia, Pulmonary embolism,
Renal / Electrolyte	Chronic uteral obstruction, Nephrolithiasis, Polycystic kidney disease, Pyelonephritis, Renal osteodystrophy, Renal vein thrombosis,
Rheum / Immune / Allergy	Ankylosing Spondylitis, Chronic inflammatory demyelinating polyneuropathy, Rheumatoid Arthritis,
Sexual	No underlying causes
Trauma	Injury of Disci and ligaments,
Urologic	Acute prostatitis,
Miscellaneous	Fibromyalgia, Chronic fatigue syndrome, Dysraphia, Facet Syndrome, Mediastinitis, Retroperitoneal fibrosis, Retroperitoneal hematoma, Scheuermann's Disease,

=== Common Causes ===

• Discopathy
• Idiopathic lumbago
• Trauma due to lifting
• Ligament strain
• Radiculopathy
• Posterior Rami Syndrome

Complete Differential Diagnosis of the Causes of Back pain

(In alphabetical order)

Abatacept Abdominal Aortic Aneurysm Abnormal posturing Abnormally flexible ribs Achalasia Acitretin Acute intermittent porphyria Acute prostatitis Addisons disease Adrenal hemorrhage Albuterol Aldesleukin Alexithymia Alkaptonuria Alprazolam Amitriptyline Anagrelide Angina pectoris Angiotensin II receptor antagonist Ankylosing Spondylitis Aortic aneurysm(Abdominal) Aortic Dissection Arachnoiditis Bearberry Bechterew's Disease Bone metastases Borreliosis Bortezomib Breast cancer Bright's disease Budesonide Inhalation Powder Cadmium poisoning Calcitonin Salmon Nasal Spray Candesartan Carbamazepine Carboplatin Cat scratch fever Cauda equina syndrome Cervical cancer Cervical fracture Cetuximab Injection Childbirth Cholelithiasis Cholesterol embolism Chordoma Chronic fatigue syndrome Chronic inflammatory demyelinating polyneuropathy Chronic uteral obstruction Clofarabine Injection Cobb syndrome Coccydynia Colorectal cancer Conversion syndrome Coxarthrosis Cramp Cushing's Disease Cyanocobalamin Injection Darbepoetin Alfa Injection Daunorubicin Degenerative disc disease Desloratadine Desmoplastic small round cell tumor Didanosine Diffuse idiopathic skeletal hyperostosis Diflunisal Disc space infection Discitis Dofetilide Donepezil Dorsopathy Drotrecogin alfa Dural ectasia Dysraphia Ectopic pregnancy Efalizumab Injection Ehlers-Danlos syndrome Endometriosis Epidural abscess Epoetin Alfa Injection

Eszopiclone Etodolac Facet Syndrome Fenoprofen Fexofenadine Fibromyalgia Formoterol Fulvestrant Injection Gemeprost Glatiramer Injection Gonarthrosis Hantavirus Pulmonary Syndrome Hemangioma Herpes Zoster Hyperparathyroidism (primary/secondary) Ibandronate Idiopathic Indinavir Infliximab Injection Injury of disci and ligaments Juvenile osteochondrosis of spine Leflunomide Leg length discrepancy Leriche's Syndrome Listeria monocytogenes Lumbago Syndrome Lumbar disc disease Lumbar strain Lung cancer Malignant processes of vertebral body Marfan syndrome Meclofenamate Mediastinitis Medroxyprogesterone Injection Mefenamic Acid Meningioma Menopause Mesalamine Metastases Modafinil Multiple Myeloma Mycophenolate Myelofibrosis Myocardial infarction Myositis Myotendinosis Nabumetone Nateglinide oral Nephrolithiasis Olanzapine Osteoarthritis Osteochondroma Osteochondrosis Osteogenesis imperfecta Osteogenic Sarcoma Osteomalacia Osteomyelitis Osteoporosis Ovarian cancer Oxaliplatin injection Oxcarbazepine Oxybutynin Paget's Disease Pancreatic cancer Pancreatitis Pelvic inflammatory disease Peptic ulcer disease Pergolide Pilonidal cyst Piriformis syndrome Piroxicam Pleuritis Pneumonia Poliomyelitis Polycystic kidney disease Polymyalgia Rheumatica Posaconazole Posterior Rami Syndrome Postlaminectomy Posttraumatic spinal stenosis

Pott's disease Praziquantel Prednisolone Pregabalin Pregnancy Premenstrual syndrome Prostate cancer Prostatitis Psoriatic Arthritis Psychosomatic Pulmonary embolism Pyelonephritis Ranibizumab injection Reiter's Syndrome Renal osteodystrophy Renal vein thrombosis Repaglinide Retroperitoneal fibrosis Retroperitoneal hematoma Rheumatoid Arthritis Ribavirin Rift Valley fever Risedronate Rituximab injection Rosiglitazone Sacroiliitis Salpingitis Salsalate Saquinavir Sargramostim injection Scheuermann's Disease Sciatica Scoliosis Selegiline Sibutramine Sickle Cell Disease Sirolimus Sodium oxybate Solifenacin Spina Bifida Spinal cord compression Spinal disc herniation Spinal fusion Spinal stenosis Spinal tumor Spondylolisthesis Spondylolysis Spondylosis Subarachnoid hemorrhage Sulfinpyrazone Sulindac Sunitinib Syringomyelia Tabes dorsalis Tacrolimus topical Tadalafil Tamsulosin Tegaserod Telbivudine Telmisartan Temozolomide Tension myositis syndrome Terazosin Tethered cord syndrome Transverse myelitis Traumatic aortic rupture Triamterene Urinary tract infection Valganciclovir Valproic Acid Valsartan Vancomycin Hydrochloride Vardenafil Vertebral Fractures Vertebral subluxation Zolpidem Zonisamide

Causes in Alphabetical Order

(By organ system)

Cardiovascular	Abdominal Aortic Aneurysm, Angina pectoris, Aortic Dissection, Endocarditis (bacterial) Leriche's Syndrome, Myocardial infarction, Traumatic aortic rupture,
Chemical / poisoning	No underlying causes
Dermatologic	Pilonidal cyst,
Drug Side Effect	Abatacept , Acitretin , Albuterol , Aldesleukin , Alprazolam, Amitriptyline , Anagrelide , Angiotensin II receptor antagonist, Budesonide Inhalation Powder , Calcitonin Salmon Nasal Spray , Candesartan , Carbamazepine , Carboplatin , Cetuximab Injection , Clofarabine Injection , Cyanocobalamin Injection , Darbepoetin Alfa Injection , Daunorubicin , Desloratadine , Didanosine , Diflunisal , Dofetilide , Donepezil , Drotrecogin alfa, Efalizumab Injection , Epoetin Alfa Injection , Eszopiclone , Etodolac , Fenoprofen , Fexofenadine , Formoterol , Fulvestrant Injection , Glatiramer Injection , Ibandronate , Indinavir , Infliximab Injection , Leflunomide , Meclofenamate , Medroxyprogesterone Injection , Mefenamic Acid , Mesalamine , Modafinil , Mycophenolate , Nabumetone , Nateglinide oral , Olanzapine , Oxaliplatin injection , Oxcarbazepine , Oxybutynin , Pergolide , Piroxicam , Posaconazole , Praziquantel, Pregabalin , Ranibizumab injection , Repaglinide , Ribavirin , Risedronate , Rituximab injection , Rosiglitazone , Salsalate , Saquinavir , Sargramostim injection , Selegiline , Sibutramine , Sirolimus , Sodium oxybate , Solifenacin , Sulfinpyrazone , Sulindac , Sunitinib , Tacrolimus topical , Tadalafil, Tamsulosin, Tegaserod , Telbivudine , Telmisartan , Temozolomide , Terazosin , Valganciclovir , Valproic Acid , Valsartan , Vancomycin Hydrochloride , Vardenafil, Zolpidem , Zonisamide ,
Ear Nose Throat	No underlying causes
Endocrine	Addisons disease, Cushing's Disease, Hyperparathyroidism (primary/secondary),
Environmental	Cadmium poisoning,
Gastroenterologic	Achalasia, Cholelithiasis, Pancreatitis, Peptic ulcer disease,
Genetic	Marfan syndrome, Spina Bifida, Osteogenesis imperfecta, Sickle Cell Disease,
Hematologic	No underlying causes
Iatrogenic	No underlying causes
Infectious Disease	Borreliosis, Cat scratch fever, Herpes Zoster, Pott's disease, Rift Valley fever, Urinary tract infection,
Musculoskeletal / Ortho	Abnormal posturing, Abnormally flexible ribs, Ankylosing Spondylitis, Cervical fracture, Coxarthrosis, Cramp, Degenerative disc disease, Disc space infection, Dorsopathy, Gonarthrosis, Lumbar disc disease, Lumbar strain, Malignant processes of vertebral body, Myelofibrosis, Myositis, Myotendinosis, Osteoarthritis, Osteochondroma, Osteochondrosis, Osteogenesis imperfecta, Osteogenic Sarcoma, Osteomalacia, Osteomyelitis, Osteoporosis, Paget's Disease, Piriformis syndrome, Poliomyelitis, Polymyalgia Rheumatica, Pott's disease, Psoriatic Arthritis, Spinal disc herniation, Spinal fusion, Spinal stenosis, Spinal tumor, Spondylolisthesis, Spondylolysis, Spondylosis, Sacroiliitis, Sciatica, Scoliosis, Vertebral Fractures, Vertebral subluxation,
Neurologic	Arachnoiditis, Chronic inflammatory demyelinating polyneuropathy, Dural ectasia, Epidural abscess, Posterior Rami Syndrome, Subarachnoid hemorrhage, Syringomyelia, Tabes dorsalis, Transverse myelitis,
Nutritional / Metabolic	Osteomalacia, Osteoporosis,
Obstetric/Gynecologic	Cervical cancer, Childbirth, Ectopic pregnancy, Endometriosis, Menopause, Ovarian cancer, Pregnancy, Salpingitis,
Oncologic	Cervical cancer, Desmoplastic small round cell tumor, Hemangioma, Lung cancer, Meningioma, Multiple Myeloma, Osteogenic Sarcoma, Ovarian cancer,
Opthalmologic	Reiter's Syndrome,
Overdose / Toxicity	Bearberry,
Psychiatric	Alexithymia, Conversion syndrome, Psychosomatic, Tension myositis syndrome,
Pulmonary	Hantavirus Pulmonary Syndrome, Lung cancer, Pleuritis, Pneumonia, Pulmonary embolism,
Renal / Electrolyte	Chronic uteral obstruction, Nephrolithiasis, Polycystic kidney disease, Pyelonephritis, Renal osteodystrophy, Renal vein thrombosis,
Rheum / Immune / Allergy	Ankylosing Spondylitis, Chronic inflammatory demyelinating polyneuropathy, Rheumatoid Arthritis,
Sexual	No underlying causes
Trauma	Injury of Disci and ligaments,
Urologic	Acute prostatitis,
Miscellaneous	Fibromyalgia, Chronic fatigue syndrome, Dysraphia, Facet Syndrome, Mediastinitis, Retroperitoneal fibrosis, Retroperitoneal hematoma, Scheuermann's Disease,