Lethargy: Symptoms

What other symptoms might occur with lethargy?

Lethargy may accompany other symptoms that vary depending on the underlying disease, disorder or condition. Lethargy is a nonspecific symptom, so identifying other symptoms may be helpful in determining its cause.

Heart and lung symptoms that may occur along with lethargy

Lethargy may accompany other symptoms affecting the heart or lungs including:

• Abnormal heart rhythms
• Chest pain
• Cough
• Rapid heart rate
• Shortness of breath
• Wheezing

Other symptoms that may occur along with lethargy

Lethargy may accompany symptoms related to other body systems including:

• Anxiety
• Appetite changes
• Changes in bowel movements
• Changes in urination
• Depressed mood
• Fever
• Feeling very thirsty
• Musculoskeletal pain
• Skin changes
• Sneezing
• Unintentional weight gain or loss
• Weakness

Serious symptoms that might indicate a life-threatening condition

In some cases, lethargy may be a symptom of a life-threatening condition that should be immediately evaluated in an emergency setting. Seek immediate medical care (call 911) if you, or someone you are with, have any of these life-threatening symptoms including:

• Being a danger to oneself or others, including threatening, irrational or suicidal behavior
• Change in level of consciousness or alertness, such as passing out or unresponsiveness
• Chest pain, chest tightness, chest pressure, palpitations
• High fever (higher than 101 degrees Fahrenheit)
• Not producing any urine
• Rapid heart rate (tachycardia)
• Respiratory or breathing problems, such as shortness of breath, difficulty breathing, labored breathing
• Severe pain
• Sudden change in vision
• Vomiting blood, rectal bleeding, or bloody stool