Signs and Symptoms of a Blood Clot

Watch for the following signs and contact your health care provider promptly if you experience:

• Feeling dizzy, lightheaded, or faint
• Sudden shortness of breath or difficulty breathing
• Sharp chest pain that worsens when you take a deep breath
• New or sudden swelling in one leg or arm, particularly if it is warm, red, or tender
• Persistent pain or cramping in a leg or arm, especially when standing or walking

• Swelling, pain, warmth, or redness in a leg or arm
• Persistent cramping or pain, especially when standing or walking

• Sudden shortness of breath or trouble breathing
• Sharp chest pain that may get worse when you breathe deeply
• Rapid heartbeat
• Feeling dizzy, lightheaded, or faint
• Coughing, sometimes with blood

If symptoms are severe, sudden, or worsening, seek emergency medical attention immediately. It is important to talk to your health care provider if you feel that you have increased risk of developing a blood clot.