Tapeworm infections in humans are treated with prescription antiparasitic medications, typically taken for just one to three days. The worm dies and passes out of your body in your stool shortly after treatment. While over-the-counter remedies and home treatments are widely promoted online, prescription medication is the only reliably effective way to eliminate a tapeworm.
How Tapeworm Infections Are Diagnosed
Before treatment can begin, your doctor needs to confirm the infection and identify the type of tapeworm involved. The standard approach is a stool sample test, where a lab looks for tapeworm eggs or segments (called proglottids) in your stool. You may need to provide samples on more than one day, since eggs and segments aren’t always shed consistently.
Species identification matters because different tapeworms carry different risks. The pork tapeworm is the most concerning: beyond the intestinal infection, its eggs can migrate into body tissues, including the brain, causing a condition called neurocysticercosis. The beef tapeworm, by contrast, tends to cause only mild abdominal symptoms. Its most noticeable sign is often the passage of flat, white segments in your stool. Knowing which species you’re dealing with shapes how aggressively your doctor monitors and treats you.
Prescription Medications That Kill Tapeworms
Praziquantel is the preferred drug for treating intestinal tapeworm infections, according to the CDC. It works by paralyzing the worm, which then detaches from the intestinal wall and passes out of your body. The dose is based on your body weight, and treatment is typically completed in a single day.
Albendazole is an alternative option. The CDC notes that it can be given as a three-day course for tapeworm infections, though this recommendation is based on smaller studies. Your doctor may choose albendazole if praziquantel isn’t available or isn’t appropriate for your situation.
For infections that resist both of these drugs, a third medication called nitazoxanide has shown strong results. In clinical studies of beef tapeworm infections, nitazoxanide cured over 95% of patients when taken twice daily for three days. Side effects were mild and temporary, mostly limited to brief episodes of abdominal pain, diarrhea, or nausea.
Neither praziquantel nor albendazole is technically FDA-approved specifically for tapeworm treatment, but both are widely used and recommended by major health organizations for this purpose.
What to Expect During and After Treatment
Treatment itself is straightforward: you take oral tablets for one to three days depending on the medication. You don’t need to be hospitalized. Once the medication takes effect, the tapeworm dies and is expelled in your stool. This happens relatively quickly, though you may or may not notice worm segments passing.
The more important part is what comes after. Your doctor will want to recheck your stool for any remaining eggs or segments over the following one to three months. This follow-up testing confirms the infection is fully cleared. If eggs are still detected, a second round of treatment may be needed.
Why the Pork Tapeworm Requires Extra Caution
If your infection involves the pork tapeworm (Taenia solium), your doctor will be especially careful. This species poses a unique danger: if you accidentally swallow its eggs through contaminated food, water, or poor hygiene, the larvae can burrow into your tissues rather than just living in your intestine. When these larvae reach the brain, they cause neurocysticercosis, which can trigger seizures and other neurological problems. People with this condition can remain symptom-free for years before problems surface.
Both praziquantel and albendazole need to be used cautiously in anyone suspected of having cysticercosis. There are case reports of seizures that may have been triggered by the inflammatory response when treatment kills larvae embedded in tissue. If your doctor suspects tissue involvement, imaging of the brain is the gold standard for diagnosis, and your treatment plan will look quite different from a simple intestinal infection.
Recognizing Symptoms of an Intestinal Tapeworm
Many people with tapeworms have no symptoms at all, or symptoms so mild they’re easy to dismiss. When symptoms do appear, they typically develop about eight weeks after eating undercooked meat containing larvae. Common complaints include abdominal pain, nausea, diarrhea, or constipation.
The most distinctive sign is noticing flat, white, rice-grain-sized segments in your stool or underwear. With beef tapeworm infections, these segments can actually crawl out on their own, which is often what prompts people to seek medical attention. Pork tapeworm infections are less likely to cause noticeable symptoms, which makes them easier to miss and potentially more dangerous because of the cysticercosis risk described above.
What About Home Remedies?
If you’ve been searching for ways to get rid of tapeworms, you’ve likely come across claims about garlic, pumpkin seeds, papaya seeds, or herbal “parasite cleanses.” None of these have been proven to reliably kill or expel tapeworms in clinical studies. A tapeworm anchors itself to your intestinal wall with hooks or suckers, and no food or supplement has demonstrated the ability to dislodge it.
The real risk of relying on home remedies is delay. An intestinal tapeworm that goes untreated can grow for years, sometimes reaching several meters in length. And in the case of pork tapeworm, delayed treatment increases the window during which accidental egg ingestion could lead to cysticercosis. Prescription antiparasitic medication is inexpensive, fast-acting, and well-tolerated. There’s no practical reason to avoid it.
How People Get Tapeworms
The most common route is eating undercooked or raw beef, pork, or freshwater fish that contains tapeworm larvae. The larvae survive in meat that hasn’t reached a high enough internal temperature during cooking. Once swallowed, they attach to your intestinal wall and grow into adult worms.
A second, less common route applies specifically to the pork tapeworm: swallowing eggs through the fecal-oral route. This can happen through contaminated water, unwashed produce, or contact with someone who carries an adult pork tapeworm and doesn’t practice thorough hand hygiene. This is the route that leads to cysticercosis rather than a simple intestinal infection.
Cooking meat to safe internal temperatures, freezing it for extended periods before preparation, and practicing careful hand hygiene are the most effective ways to prevent infection in the first place.