In-depth

Acanthosis nigricans

Acute lymphocytic leukemia

Ambiguous genitalia

Ankylosing spondylitis

Ankylosing spondylitis is an inflammatory arthritis that affects your spine and nearby joints. Over time, your spine may become stiff and immovable.

Ascariasis

Aspergillosis

Asthma

Atrial septal defect

Avascular necrosis

Back pain

Bed-wetting

Bell's palsy

Bird flu (avian influenza)

Bladder stones

Bladder stones are small masses of minerals in your bladder — often forming as a result of an enlarged prostate, nerve damage or infection.

Blind loop syndrome

Bone metastasis

Bone spurs

Broken ankle/broken foot

Broken arm

Broken arm? If your arm hurts too much to use normally, seek prompt medical care.

Broken collarbone

Broken leg

Broken leg — Comprehensive overview covers symptoms, diagnosis and treatment of this type of fracture.

Broken nose

Broken wrist/broken hand

Brucellosis

Brucellosis is an infectious disease that spreads from animals to people, mainly via unpasteurized dairy products. Travelers should take special care to avoid infection.

Bunions

A bunion can create pain and pressure at the base of your big toe. Wearing roomier shoes can provide relief.

Bursitis

Cancer

Carpal tunnel syndrome

Carpal tunnel syndrome is caused by compression of the nerve running through your wrist. Treatment can provide relief.

Castleman disease

Cavities/tooth decay

Take cavities and tooth decay seriously. Brushing, sealants and avoiding certain foods are important ways to prevent cavities, toothache pain and tooth loss.

Cervical spondylosis

Chagas disease

Chronic constipation

Chronic constipation can cause bloating and abdominal discomfort.

Colic

Complex regional pain syndrome

Complex regional pain syndrome is a chronic, painful disease that typically affects an arm or leg that was recently injured or infected.

Conversion disorder

Conversion disorder occurs when your response to stress shows up as seizures, paralysis or another physical symptom.

Craniosynostosis

Craniosynostosis is a birth defect in which one or more of the bony plates of a baby's skull fuse prematurely, misshaping the head.

Cystic fibrosis

Cystitis

Diffuse idiopathic skeletal hyperostosis (DISH)

Dislocated elbow

Dislocated shoulder

Dislocation

A blow to your joint can dislocate the bones that meet at that joint. Don't try popping them back into place yourself. Get medical help.

Dry socket

Dry socket, a painful complication of tooth extraction, results from improper healing of the surgical wound.

Dwarfism

Dysphagia

Edema

Encopresis

Encopresis occurs when a child resists having bowel movements, causing stool to collect in the colon and rectum. Leakage of liquid stool also is common.

Epiglottitis

Esophageal cancer

Reduce your risk of esophageal cancer by eating more fruits and vegetables.

Esophageal spasms

Esophageal spasms are irregular contractions of the esophageal muscles, which impair the movement of food to the stomach.

Fever

Don't be in a hurry to treat a low-grade fever — it's probably helping your body fight infection. High or lasting fevers may need medical attention.

Fibrous dysplasia

Flatfeet

Foot drop

Frostbite

Frozen shoulder

Gangrene

Gastritis

GERD

Glomerulonephritis

Glomerulonephritis affects your kidneys' filtering function. Complications include high blood pressure, protein in the urine (proteinuria) and kidney failure.

Golfer's elbow

Hamstring injury

Heartburn

Heatstroke

Herniated disk

Back pain may mean you have a herniated disk — but not always. In fact, you can have disk herniation without pain. Here are the facts.

High potassium (hyperkalemia)

Hip fracture

Hip labral tear

Hodgkin's lymphoma

Hyperparathyroidism

Hypoparathyroidism

Impacted wisdom teeth

Inflammatory bowel disease (IBD)

Invasive lobular carcinoma

Iritis

Iritis is inflammation that affects the colored area of your eye called the iris. This serious condition can affect your vision if left untreated.

Juvenile rheumatoid arthritis

Knee bursitis

Knee pain

Kyphosis

Legg-Calve-Perthes disease

Legg-Calve-Perthes disease is a rare childhood hip condition that requires specialty care.

Lung cancer

Lupus

Male breast cancer

Meralgia paresthetica

Meralgia paresthetica — the result of a compressed sensory nerve — is characterized by tingling, numbness and burning pain in your outer thigh.

Metatarsalgia

Multiple myeloma

Nasopharyngeal carcinoma

Neck pain

Non-Hodgkin's lymphoma

Osgood-Schlatter disease

Osgood-Schlatter disease can cause pain, swelling and tenderness below the kneecap. This common condition often affects young athletes involved in running, jumping and bending activities.

Osteochondritis dissecans

Osteomalacia

Osteomyelitis

Patellar tendinitis

Peritonitis

Peyronie's disease

Plantar fasciitis

Plantar fasciitis is a common cause of heel pain. It generally clears up with the help of simple treatments for pain and inflammation.

Posterior cruciate ligament injury

Less common than an ACL knee injury, a torn posterior cruciate ligament can be painful and sideline you for months. Find out more.

Posterior prolapse (rectocele)

Precocious puberty

Precocious puberty is a rare condition in which the physical signs of puberty begin to develop too early in children.

Pseudogout

Psoriatic arthritis

Some people with psoriasis may develop joint pain called psoriatic arthritis. Get the basics here.

Reactive arthritis

Reactive arthritis is an inflammatory condition that develops in response to an infection in another part of your body.

Recurrent breast cancer

Sciatica

Separated shoulder

A separated shoulder is an injury to a specific joint in the shoulder. Conservative treatment is usually effective.

Shaken baby syndrome


Snoring

Soft tissue sarcoma

Spinal cord injury

Spinal stenosis

Sprained ankle

Sprains and strains

Stickler syndrome

Stickler syndrome can affect multiple parts of your body, including your eyes, face, ears, bones and joints.

Swollen knee

Tapeworm infection

Tendinitis

Throat cancer

Thumb arthritis

Torn meniscus

Twisting the knee can cause a common knee injury known as a torn meniscus. Treatment sometimes includes surgery.

Trench mouth

Although trench mouth is much less common than in years past, some people still get this painful gum infection. Brushing and flossing are keys to prevention.

Tularemia

Ulcerative colitis

Umbilical hernia

Vascular dementia

Vasculitis

Vocal cord paralysis

Whiplash

Wrist pain


March 26, 2015