- Viral syndrome
Viral syndrome is an unidentified cause of typical virus symptoms sore throat, stuffy nose, aches and more.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Lupus (systemic lupus erythematosus)
Lupus is a chronic autoimmune disease marked by swollen painful joints, a rash, swollen lymph nodes, and more.
- Repetitive motion injuries
Repetitive motion injuries can cause numbness, tingling, and weakness in a hand, arm, leg, or foot.
- Influenza (flu) adults
The flu is a respiratory tract infection and causes fever, sore throat, runny nose, headache, cough, and more.
- Osteoarthritis
Osteoarthritis happens when the cartilage in your joints breaks down causing pain, stiffness, and swelling.
- Tendinitis
Tendinitis symptoms include muscle and tendon pain or stiffness close to a joint, and pain with movement.
- Legg-Calve-Perthes disease
Legg-Calves-Perthes disease is a childhood condition that occurs in the hip causing gait problems and pain.
- Slipped capital femoral epiphysis
A slipped capital femoral epiphysis can cause knee pain, walking with a limp, hip pain, and more.
- Hip (acetabular) labral tear
A torn labrum can cause hip or groin pain; feeling like the hip is locking, catching or clicking, and more.
- Psoriatic arthritis
Psoriatic arthritis most often causes swelling and joint pain in the fingers and toes.
- Hypothyroidism (adult)
Hypothyroidism your body functions slow down, making you gain weight and feel tired all the time.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Porphyria
Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight.
- Broken (fractured) hip
A broken hip is a break in the thighbone under the hip joint and causes pain and trouble or inability to walk.
- Bursitis (iliopsoas)
Iliopsoas bursitis, a swelling of the bursa at the inside of the hip, causes pain, redness and stiffness.
- Bursitis (trochanteric)
Trochanteric bursitis is an inflammation of the exterior hip bursa causing pain of the hip, thigh and buttock.
- Thoracic spinal stenosis
Thoracic spinal stenosis can cause pain in your back and legs, loss of bladder or bowel function, and more.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- Lumbar spinal stenosis
Lumbar spinal stenosis is a condition that can cause pain in the lower back, buttocks, legs, and feet.
- Stress fractures
Stress fractures are small breaks that usually occur in the feet or leg bones, causing pain and swelling.
- Pseudogout
Pseudogout is a type of arthritis similar to gout, where crystals form in the joints, causing swelling and pain.
- Rheumatoid arthritis
Rheumatoid arthritis is an autoimmune disease that causes pain, swelling, and joint damage.
- Septic arthritis
Septic arthritis, a joint infection, causes severe pain, swelling, redness, and warmth in the joint and fever.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Dermatomyositis
Dermatomyositis is a condition that causes muscle swelling and weakness, and a rash on the face and joints.
- Gout
Gout is a buildup of uric acid in the joints, causing joint pain, fever, and hot, red, swollen joints.
- Avascular necrosis
Avascular necrosis is the death of bone tissue due to poor blood supply, and causes joint pain and more.
- Coxsackie virus infection
Coxsackie virus infection can cause many cold-like symptoms as well as blisters on the mouth hands and feet.
- Crohn's disease
Crohn's disease is a digestive condition that causes swelling, cramping, diarrhea, and nutritional problems.
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- Henoch-schonlein purpura
Henoch-Sch�nlein purpura is a condition that causes a purple bruise-like rash on the legs and buttocks.
- Bird (avian) flu
Bird flu is spread to people from birds and causes fever, cough, sore throat and muscle aches.
- Shingles (herpes zoster)
Shingles is a painful, blistering, skin rash typically found on the back and sides of the chest.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Endocarditis
Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more.
