 [ Symptoms ] Pain area - back, Pain area - eyes, Pain circumstance - in the back with eye movement, Pain circumstance - in the back due to head nod, depression, sensation of pins and needles, persistent urge to urinate, muscle spasms, slurred speech, sleep deprivation, vision loss, numbness of face, heavy legs, problems with coordination, poor balance, reduced sensation of touch, overactive reflexes, muscle paralysis, headache, stiff muscles, dizziness, vertigo, sexual dysfunction, difficulty raising the foot, rapid involuntary eye movement, double vision, cramping, erectile dysfunction, weakness, fatigue, difficulty walking, leaking of urine, abnormality of taste, urinary retention, flare, constipation, difficulty swallowing, uncomfortable tingling and burning, heat intolerance, tongue numbness, difficulty thinking and understanding, muscle weakness, blurred vision, inability to rapidly change motions, mood swings, anxiety, involuntary movements, excessive urination at night, clumsiness, difficulty speaking, muscle rigidity, tremor [ Disease ] Multiple sclerosis