Tingling or shooting pains are felt in the legs, and the nervous system is very agitated. Cramping and burning sensations may also be experienced. Anxiety and a feeling of insecurity may be pronounced. People who need this remedy are often deeply chilly and improved by warmth. This remedy can be helpful if a person has restless legs with sensations of burning and aching, and cramps in the calves and feet.
Symptoms are worse in bed at night and often improve with warmth.
People needing Causticum often have a tendency toward chronic problems with muscles and tendons, contractures, and muscle weakness. They are often very sensitive to other people's feelings, and are prone to nervous stress. The legs and arms often jerk as the person falls asleep, and sleep may be extremely light. The person may frequently sigh and yawn, or burst into tears or laughter unexpectedly. Problems brought on by grief or emotional stress often respond to this remedy.