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  5. How Do I Know If I Have Parasites in My Body
Parasites in Humans

How Do I Know If I Have Parasites in My Body

Lee Health Researcher
March 24, 2026 Updated: March 24, 2026 11 min read 0 comments
Medical Disclaimer This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of your doctor or other qualified health provider with any questions you may have regarding a medical condition.

Table of Contents

If you have chronic fatigue, bloating after meals, unexplained digestive issues, intense sugar cravings, brain fog, skin problems, or insomnia, you may have parasites in your body. Most people with parasitic infections have no idea they are infected. Parasites can live inside you for years or even decades without causing obvious symptoms. They drain your nutrients, release toxic waste, suppress your immune system, and cause chronic inflammation. The symptoms they cause are often vague and easily dismissed as stress, aging, or other conditions.

You might be asking yourself why you feel tired all the time even though you sleep enough. Why you are bloated after eating foods that never bothered you before. Why you crave sugar so intensely. Why your skin breaks out for no reason. Why you wake up at 2 or 3 in the morning and cannot fall back asleep. These are classic signs of parasitic infection.

The truth about how common parasites are has been hidden for too long. The book Cancer Is a Parasite, Not a Disease reveals how widespread parasitic infections are and why the medical industry ignores them.


Why You Might Not Know You Have Parasites

Most people assume that if they had parasites, they would know. They imagine worms visible in their stool or severe abdominal pain. This is not how chronic parasitic infections work.

Parasites Are Experts at Hiding

Parasites have evolved over millions of years to survive inside human hosts. They are masters of stealth. Many parasites go dormant, forming cysts that hide in your tissues. Others burrow into the intestinal wall where they cannot be detected. Some release chemicals that suppress your immune system, preventing the inflammation that would alert you to their presence.

Symptoms Are Vague and Gradual

The symptoms of chronic parasitic infection develop slowly over months or years. You may not notice that you are more tired than you used to be. You may not connect your bloating to the meal you ate. You may dismiss your brain fog as normal aging. By the time you realize something is wrong, the parasites have been living inside you for a long time.

Doctors Do Not Look for Parasites

Most doctors never test for parasites. They are trained to look for viruses and bacteria. Parasites are considered a third-world problem. When you go to the doctor with fatigue, bloating, and brain fog, they will test your thyroid, check for anemia, and maybe diagnose you with irritable bowel syndrome or chronic fatigue syndrome. They will not test for parasites.

The book Cancer Is a Parasite, Not a Disease explains why the medical system ignores parasites and how you can take control of your health.


Common Signs and Symptoms of Parasites

The symptoms of parasitic infection can affect every system in your body. Here are the most common signs.

Digestive Symptoms

Parasites live in your digestive tract, so digestive symptoms are often the most obvious.

Bloating is one of the most common signs. You may feel bloated after eating foods that never bothered you before. The bloating may come and go or be constant.

Gas and cramping are also common. Parasites produce gas as they feed. They also irritate the intestinal lining, causing cramping.

Diarrhea or constipation can occur. Some parasites cause diarrhea by irritating the intestines. Others cause constipation by physically blocking the intestines.

Abdominal pain may be present, especially after eating. The pain may be dull and constant or sharp and intermittent.

Nausea can occur, especially after eating fatty or sugary foods.

Blood or mucus in the stool can be a sign of more serious parasitic infections.

Fatigue

Parasites steal your nutrients. They consume iron, B12, and other vitamins and minerals. They also release toxins that drain your energy. If you wake up exhausted even after a full night of sleep, parasites could be the cause.

Sugar Cravings

Parasites feed on sugar. They send signals to your brain to crave sweets, carbohydrates, and processed foods. If you find yourself unable to resist sugar, it may not be your willpower that is weak. It may be parasites manipulating you.

Brain Fog

Parasites release neurotoxins that affect your brain. You may have difficulty concentrating, memory problems, or feel like you are in a mental fog. You may feel disconnected from your body or like you are not yourself.

Mood Changes

Parasites can cause anxiety, depression, and irritability. The neurotoxins they release affect your brain chemistry. The chronic inflammation they cause also affects mood.

Skin Problems

Parasites release toxins that build up under your skin. This can cause rashes, acne, eczema, hives, and unexplained itching. If your skin problems do not respond to conventional treatments, parasites may be the cause.

Insomnia

Parasites are more active at night. They may cause you to wake up between 2 and 3 in the morning. They can also cause teeth grinding, restless legs, and night sweats.

Unexplained Weight Changes

Some parasites cause weight loss by stealing your nutrients. Others cause weight gain by altering your metabolism and driving cravings. If your weight is changing for no apparent reason, parasites could be involved.

Joint and Muscle Pain

Chronic inflammation from parasites can cause joint pain, muscle aches, and stiffness. Many people diagnosed with fibromyalgia or rheumatoid arthritis actually have parasites.

Autoimmune-Like Symptoms

Parasites force your immune system into constant battle mode. This can lead to chronic inflammation that mimics autoimmune disease. If you have been diagnosed with an autoimmune condition that does not improve with treatment, parasites may be the underlying cause.

Anemia

Hookworms and other blood-feeding parasites cause iron deficiency anemia. If you are anemic despite eating iron-rich foods, you may have parasites.

Teeth Grinding

Teeth grinding, especially at night, can be a sign of parasitic infection. The nervous system reacts to the presence of parasites by causing jaw clenching.

Itching Around the Anus

Pinworms are notorious for causing anal itching, especially at night when the female worms lay eggs.

You might also be asking whether you need to see worms in your stool to know you have parasites. You do not. Most parasites are microscopic or live deep in your tissues where you cannot see them.


How Parasites Get Inside Your Body

Understanding how you got parasites can help you know if you are at risk.

Food

Undercooked meat, raw fish, unwashed vegetables, and even some packaged foods can contain parasite eggs or larvae.

Water

Tap water, well water, bottled water, and water from streams and lakes can all carry parasites. Many parasites are too small for basic filtration.

Pets

Dogs and cats can pass parasite eggs through their saliva, fur, and feces. If you let your pet lick your face or sleep in your bed, you are at risk.

Insects

Mosquitoes, ticks, fleas, and biting flies can inject parasites directly into your bloodstream.

Airborne Exposure

Some parasite eggs are so small that they float in the air and enter through breathing.

Travel

Traveling to developing countries increases your risk, but you can get parasites anywhere.

Person to Person

Some parasites spread through close contact, sharing utensils, or poor hygiene.

If you have any of these risk factors and are experiencing symptoms, you may have parasites.


Why Doctors Miss Parasites

If you go to your doctor and ask if you have parasites, you will likely be dismissed. Here is why.

Lack of Training

Medical schools spend very little time teaching about parasitic infections. Most doctors have never seen a parasite under a microscope. They are not familiar with the symptoms of chronic parasitic infection.

Geographic Bias

Doctors assume parasites only happen in poor countries. They believe that if you live in a developed country and have clean water, you cannot have parasites. This is false.

Inaccurate Tests

The standard test for parasites is a stool test. But stool tests only detect parasites if they are actively shedding eggs at the time of the test. Many parasites shed intermittently. Others have burrowed into tissues and are not passing through the intestines. A single stool test can easily miss an infection.

Misdiagnosis

The symptoms of parasites are vague and overlap with many other conditions. Doctors diagnose irritable bowel syndrome, chronic fatigue syndrome, fibromyalgia, and anxiety disorders without ever considering parasites.

The book Cancer Is a Parasite, Not a Disease explains why the medical system fails to diagnose parasitic infections and what you can do about it.


How to Get Tested for Parasites

If you suspect you have parasites, you need to be proactive. Doctors will not test you unless you ask.

Stool Testing

The standard test is microscopic examination of stool for eggs and parasites. For accurate results, you need multiple samples collected on different days. Some parasites shed eggs only every few days. One sample is not enough.

Comprehensive Stool Analysis

Advanced stool tests use PCR technology to detect parasite DNA. These tests are much more sensitive than microscopy. They can identify multiple parasites from a single sample. They also test for bacteria, yeast, and markers of digestion and inflammation.

Blood Tests

Blood tests can detect antibodies against certain parasites. They are useful for parasites that do not show up in stool, such as Toxoplasma and Strongyloides.

Endoscopy or Colonoscopy

If you have severe symptoms, a doctor may look directly into your digestive tract with a camera. They can see parasites that are attached to the intestinal wall.

PCR Testing

Polymerase chain reaction tests can detect parasite DNA in stool, blood, or tissue samples. These are the most sensitive tests available.

When you go to your doctor, be specific. Tell them your symptoms and why you suspect parasites. If your doctor refuses to test, find a functional medicine practitioner who specializes in parasitic infections.


What to Do If You Have Parasites

If you have parasites, you need to eliminate them. The longer they stay in your body, the more damage they cause.

Step 1: Read the Book

The first step is to educate yourself. Cancer Is a Parasite, Not a Disease contains detailed protocols for eliminating parasites. This book reveals the truth about parasitic infections and how to treat them.

Step 2: Starve the Parasites

Parasites feed on sugar. Cut out all sugar, refined carbohydrates, and processed foods. This weakens the parasites and makes them easier to kill.

Step 3: Use Antiparasitic Herbs

Herbs like black walnut, wormwood, cloves, garlic, and pumpkin seeds have been used for centuries to kill parasites. They are effective when used correctly.

Step 4: Consider Antiparasitic Drugs

For stubborn infections, pharmaceutical drugs like fenbendazole, ivermectin, and mebendazole may be needed. These drugs have helped thousands of people eliminate chronic parasitic infections.

Step 5: Support Detoxification

When parasites die, they release toxins. Support your liver and kidneys with milk thistle, clean water, and gentle detox methods.

Step 6: Restore Gut Health

After the parasites are gone, your gut needs to heal. Replenish healthy bacteria with probiotics. Eat fermented foods. Support your intestinal lining with bone broth and collagen.

Step 7: Stay Informed

The information in this article is just the beginning. Cancer Is a Parasite, Not a Disease goes much deeper. It provides complete protocols for testing, treatment, and prevention.


FAQ

How do I know if I have parasites in my body?

Look for chronic fatigue, bloating, sugar cravings, brain fog, digestive issues, skin problems, insomnia, and joint pain. Testing can confirm the infection.

Can you have parasites without knowing it?

Yes, most people with chronic parasitic infections have no idea they are infected. Symptoms are often vague and develop slowly over years.

What are the most common signs of parasites?

The most common signs are chronic fatigue, bloating, sugar cravings, brain fog, digestive issues, skin problems, and insomnia.

Do I need to see worms in my stool to have parasites?

No. Most parasites are microscopic or live deep in your tissues. You may never see them.

Why don’t doctors test for parasites?

Doctors are not trained to look for parasites, assume they are only a problem in developing countries, and rely on inaccurate tests.

How do I get tested for parasites?

Ask your doctor for comprehensive stool testing using PCR technology. Multiple samples are needed for accurate results.

Can parasites cause fatigue?

Yes, parasites steal nutrients and release toxins that cause chronic fatigue. Many people with parasites are exhausted despite sleeping well.

Can parasites cause sugar cravings?

Yes, parasites feed on sugar and send signals to your brain to crave sweets and carbohydrates.

Can parasites cause brain fog?

Yes, parasites release neurotoxins that affect the brain, causing difficulty concentrating, memory problems, and mental fog.

Can parasites cause bloating?

Yes, parasites in the intestines produce gas and cause inflammation, leading to bloating after meals.

Can parasites cause skin problems?

Yes, parasites release toxins that build up under the skin, causing rashes, acne, eczema, and itching.

Can parasites cause insomnia?

Yes, parasites are more active at night and can cause waking between 2 and 3 in the morning, teeth grinding, and restless legs.

How long can parasites live in the body?

Some parasites can live in the human body for decades. Strongyloides can persist for 30 years or more.

Can I treat parasites naturally?

Yes, herbs like black walnut, wormwood, cloves, and garlic have antiparasitic properties. Pharmaceutical drugs are also effective.

Where can I learn more about parasites?

Read Cancer Is a Parasite, Not a Disease for comprehensive information on testing, treatment, and prevention.


If you have been feeling tired, bloated, foggy, and not like yourself, you may have parasites. These organisms are far more common than most people realize. They can live inside you for decades, slowly draining your health. The symptoms they cause are often dismissed as stress, aging, or other conditions. But the damage they do is real.

The medical system will not help you. Doctors do not test for parasites. They do not know how to treat chronic parasitic infections. You have to take control of your health.

The information you need is available in Cancer Is a Parasite, Not a Disease. This book reveals how to know if you have parasites, how to get tested, and how to eliminate them. It provides the protocols that have helped thousands of people recover their health.

Do not wait until the damage is done. Parasites cause chronic inflammation, nutrient depletion, and immune suppression. They are linked to cancer, autoimmune disease, and countless other conditions. Take action today. Listen to your body. If something feels off, it probably is. Get tested. Get treated. And read the book that could save your life.

Tags: how to know if you have parasites intestinal parasites parasite infection signs parasite symptoms parasite testing signs of parasites
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