- Leg cramps
Leg cramps, when a muscle in the leg tightens and doesn't loosen up, causes pain and bulging in the leg.
- Low potassium (hypokalemia)
If the level of potassium in your blood drops below normal, it may cause low energy, leg cramps, and more.
- Bursitis (anserine)
Anserine bursitis is a swelling of the bursa at the inside of the knee and causes pain, redness and stiffness.
- Broken (fractured) lower leg
A broken lower leg can cause include severe pain, swelling, tenderness, bruising, or shortening of the leg.
- Dehydration (Children)
Dehydration, or not getting enough fluid, causes dry and sticky mouth, tearless crying, and more in children.
- Bruised shin
A bruised shin results in a bluish appearance on the skin, but the skin does not break.
- Cellulitis
Cellulitis, a bacterial infection of the skin, causes red, tender skin that is usually swollen and warm.
- Hypocalcemia
Hypocalcemia is a blood condition marked by tingling, muscle spasms and aches, and confusion.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Perichondritis
Perichondritis is an infection of the tissue that surrounds the ear cartilage causing inflammation and pain.
- Hypoparathyroidism
Hypoparathyroidism is a rare condition that can cause muscle twitches, seizures, cramps, tingling, and more.
- Venous insufficiency
Venous insufficiency causes pain, aching, skin rashes, and swelling in the legs.
- Heat cramps
Heat cramps are muscle pains or spasms caused by intense sweating, usually during exercise.
- Stress fractures
Stress fractures are small breaks that usually occur in the feet or leg bones, causing pain and swelling.
- Lumbar (low back) herniated disk
A lumbar herniated disc is a condition of the lower spine causing low back pain, weakness, or numbness.
- Heat exhaustion
Heat exhaustion causes intense thirst, heavy sweating, pale, cool, and moist skin, muscle cramps, and more.
- Osteomyelitis (bone infection)
Osteomyelitis is an infection of a bone that causes pain, swelling, and redness.
- Shin splints
Shin splints are pain that occurs along or behind the shinbone, often caused by overused, swollen muscles.
- Phlebitis
Phlebitis means inflammation of the veins, and can cause redness, itching, irritation, pain, and swelling.
- Restless legs syndrome
Restless leg syndrome causes intense discomfort in your legs and an overpowering urge to move them.
- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Dehydration (Adult)
Dehydration, or not getting enough fluid, causes low blood pressure, weakness, dizziness, fatigue, and nausea.
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Shingles (herpes zoster)
Shingles is a painful, blistering, skin rash typically found on the back and sides of the chest.