Pheochromocytoma
Signs and Symptoms

Symptoms of pheochromocytoma result from excessive hormone production and include:

• Headaches that typically are severe
• Excessive sweating
• Accelerated or racing heartbeat, called tachycardia, and palpitations
• Anxiety and/or nervousness, such as feelings of impending death
• Nervous shaking or tremors
• Pain in the lower chest or upper abdomen
• Nausea with or without vomiting
• Weight loss
• Heat intolerance