Tapeworm Infection: Symptoms

What are the symptoms of tapeworm infection?

Symptoms of tapeworm infection are mild and may go unnoticed, but it is important to be aware of them if you eat raw or undercooked fish, beef or pork.

Common symptoms of tapeworm infection

Symptoms of infection with tapeworm usually involve the digestive system and include:

• Abdominal pain
• Loss of appetite
• Nausea, which may be described as feelings of wooziness, queasiness, retching, sea-sickness, car-sickness, or an upset stomach
• Passing of tapeworm segments in the stool or by vomiting
• Presence of tapeworm segments in the stool
• Unexplained weight loss
• Weakness (loss of strength)

Serious symptoms that might indicate a life-threatening condition

In some cases, Taenia tapeworms may lead to a serious infection called cysticercosis, which can be life threatening. Seek immediate medical care (call 911) if you, or someone you are with, have any of these life-threatening symptoms including:

• Balance problems, difficulty walking, and falls
• Confusion or loss of consciousness for even a brief moment
• Headache
• Muscle twitching, spasms or seizures