Sphingolipidosis

Disease Description (Causes and Symptoms)

Spring fatigue (춘곤증, spring fatigue) is a seasonal and physiological state of fatigue rather than a medical disease. It occurs as the body adapts to rapid environmental changes (temperature, humidity, sunlight, etc.) during the transition from winter to spring. Contributing pathophysiological factors are thought to include changes in circadian rhythms, increased nutrient requirements due to increased metabolism (particularly vitamins), and subtle imbalances in the sleep-wake rhythm.
Main symptoms: chronic lethargy and lack of energy, excessive daytime sleepiness, reduced concentration, and decreased work performance. Associated symptoms may include headache, numbness or tingling in the hands and feet, dizziness, insomnia, loss of appetite, and indigestion. It usually occurs most frequently in April and May.

Treatment Methods

• Basic principles: There is no specific drug treatment; lifestyle improvements (sleep hygiene, nutrition, regular exercise, and stress management) are the main treatments.
• Nutritional management: Avoid an unbalanced diet and consume fresh vegetables, fruits, and spring greens. Increase intake of B vitamins (whole grains and legumes) and vitamin C (shepherd’s purse, wild chives, water dropwort, etc.). If dietary improvement is difficult or a deficiency is suspected, consider taking supplements after consulting a doctor.
• Exercise: Perform aerobic exercise (walking, running, cycling, swimming, etc.) regularly at least 3 times a week, for a minimum of 30 minutes per session.
• Sleep management: Keep your wake-up time consistent, and keep your bedtime consistent as well, while limiting naps to no more than 20 minutes. Long naps can adversely affect nighttime sleep. If you have insomnia, do not force yourself to stay in bed; get out of bed and engage in relaxing activities.
• Stress management: Because this is a period with many environmental changes, such as moving or starting school, use stress-relief techniques (rest, counseling, etc.).
• Medications/procedures: Specific medications for spring fatigue itself are not recommended. If excessive daytime sleepiness or severe fatigue persists, tests to differentiate underlying diseases (sleep apnea, narcolepsy, thyroid disease, anemia, depression, etc.) and treatment of the relevant condition are necessary (e.g., iron supplementation, thyroid medication, or treatment for sleep disorders).
• Precautions/complications: Immediate medical attention is necessary if the fatigue is not merely seasonal but reaches a level that makes daily life impossible, or if weight loss, shortness of breath, or night sweats occur. Take care when driving or operating heavy machinery because of spring fatigue.

Checklist Before an Outpatient Visit (Items to Prepare and Example Questions)

Items/preparations:

• List of currently used medications and supplements (including doses and times of administration)
• Copies of recent test results, if available (blood tests, thyroid tests, etc.)
• Symptom diary: when symptoms began, times of day when sleepiness/fatigue is most severe, sleep duration and quality (bedtime/wake-up time), whether and for how long you nap, and eating patterns and changes
• Changes in living environment (moving, changes at work or school, stressors)
• Past medical history (chronic diseases, psychiatric diagnoses, etc.) and family history

Items that are useful to record during an outpatient visit (example questions):

• When did the symptoms begin? What time of day is the most difficult?
• Are your sleep and wake-up times consistent? Do you nap? How long do you sleep?
• Have you had any changes in weight or appetite?
• Have you recently experienced a severely stressful event or change in your life?
• Have you previously undergone any tests (blood tests, thyroid tests, sleep studies, etc.)?

Examples of General Questions to Ask a Doctor

• Is this symptom simply seasonal, or how likely is it that another disease is causing it?
• What additional tests should I have (blood tests, thyroid function tests, anemia tests, sleep studies, etc.)?
• Are there any recommended nutritional supplements or medications? What are their side effects?
• Among lifestyle habits (sleep, exercise, and diet), what should I change first?
• When should I return for a follow-up visit? What signs should I watch for if my symptoms worsen?

Examples of Condition-Specific Questions

• I have excessive daytime sleepiness. How can this be distinguished from narcolepsy or sleep apnea? Should I undergo polysomnography?
• Do vitamin supplements (e.g., B vitamins and vitamin C) help? If I should take them, what type and dosage do you recommend?