- 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.
- Muscle strain
Muscle strain occurs when muscles are stressed, overworked, or injured due to physical activity or labor.
- Restless legs syndrome
Restless leg syndrome causes intense discomfort in your legs and an overpowering urge to move them.
- Tendinitis
Tendinitis symptoms include muscle and tendon pain or stiffness close to a joint, and pain with movement.
- Dehydration (Children)
Dehydration, or not getting enough fluid, causes dry and sticky mouth, tearless crying, and more in children.
- 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.
- Epilepsy (simple partial seizures)
During simple partial epileptic seizures, people remain fully conscious, able to respond to external stimuli.
- Periodic limb movement disorder
Periodic limb movement disorder is a sleep disorder that causes the legs to move repetitively during sleep.
- Tourette syndrome
Tourette's syndrome is a nervous system disorder that causes involuntary movements or sounds called tics.
- Hypoparathyroidism
Hypoparathyroidism is a rare condition that can cause muscle twitches, seizures, cramps, tingling, and more.
- Heat cramps
Heat cramps are muscle pains or spasms caused by intense sweating, usually during exercise.
- Heat exhaustion
Heat exhaustion causes intense thirst, heavy sweating, pale, cool, and moist skin, muscle cramps, and more.
- Rheumatic fever
Rheumatic fever is an inflammatory disease and causes fever, joint pain, abdominal pain, rash, and more.
- Amyotrophic lateral sclerosis (Lou Gehrig disease)
Amyotrophic lateral sclerosis affects the nervous system and causes muscle weakness and brain dysfunction.
- Blood clot in the legs
Blood clots in the leg can become very dangerous, symptoms include swelling, redness, tenderness in the leg.
- Dehydration (Adult)
Dehydration, or not getting enough fluid, causes low blood pressure, weakness, dizziness, fatigue, and nausea.