Blastocystis Hominis – Overview, Symptoms, Causes and More


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Introduction to Blastocystis Hominis

Blastocystis Hominis is a tiny organism that sometimes found in the excretions of people who have ingested contaminated food or water. It can found in healthy people who do not experience digestive symptoms and sometimes in the stools of people who have diarrhea, abdominal pain, or other gastrointestinal problems.

Researchers do not fully understand the role that Blastocystis Hominis plays in causing the disease. Specific body shapes are more likely to be associated with infection with symptoms. Most often, blastocystis exists in one’s intestinal or digestive region without harming.

Blastocystis Hominis, similarly recognized as Blastocystis spp or Blastocystominis infection, usually goes away on its own. And there are no confirmed treatments for these infections.

1.Blastocystis Hominis Symptoms

Indications and symptoms possibly related to Blastocystis Hominis include:

  • Watery diarrhea
  • Nausea
  • Loss of appetite
  • Fatigue
  • Excessive gas (flatulence)
  • Bloating
  • Abdominal pain

Blastocystis Hominis

Life Cycle of Blastocystis Hominis

The assumed life cycle starts with the ingestion of the cyst form. After ingestion, the cyst grows into different ways, which may, in turn, re-develop into cyst forms. By human faeces, the cyst forms begin the external conditions and are spread to people and additional animals by the faecal–oral way, replicating the entire cycle.

Blastocystis Hominis

2. When to See Doctor?

Get your doctor if you have signs and symptoms, such as diarrhea or cramps, that last longer than three days.

3. Blastocystis Hominis Causes

Blastocystis is a parasite, a microscopic unicellular organism (protozoon). Many protozoa typically live in your gastrointestinal tract and are harmless or even helpful. Others cause disease.

It is not evident whether blastocystis reasons for disease. Maximum people who have the organism have no signs or symptoms, but it also found in people with diarrhea and other digestive problems. Blastocystis is common in other organisms, so it not known whether it causes disease.

Experts suggest that blastocystis gets into the digestive system when people eat contaminated food or exposed to a contaminated person’s feces, such as when they are walking. B. when a diaper changed in a childcare facility. The rates of the organism in the stool increase with inadequate hygiene and poor personal hygiene.

Blastocystis Hominis Causes

4. Blastocystis Hominis Risk Factors

Blastocystis Hominis is general, and anyone can have the organism in their stool. You may be at greater risk if you travel or live where there is inadequate sanitation, or if the water may not be safe or deal with contaminated animals such as pigs and poultry.

5. Complications of Blastocystis Hominis

If you have diarrhea related to Blastocystis Hominis, it is likely self-limiting. However, every time you have diarrhea, you lose essential fluids, salts, and minerals, leading to dehydration. Children are particularly prone to dehydration.


6. Prevention of Blastocystis Hominis

You may prevent Blastocystis Hominis, or any other gastrointestinal infection, by taking precautions, especially when traveling to high-risk countries.

7. Is Blastocystis Hominis Contagious?

Blastocystis Hominis infection can be actual transmissible or contagious. So keep an eye on these guidelines to evade growing Blastocystis Hominis to others: Wash your hands with water and soap afterward using the toilet and earlier handling food.

8. Blastocystis Hominis Diet

The standard practice of thumb is if you can’t boil or peel it, forget about it.

  • Avoid groceries from street vendors.
  • Don’t eat soft, boiled eggs.
  • Evade unpasteurized milk and dairy products, including ice cream.
  • Avoid raw or undercooked meat, fish, and seafood.
  • Stay away from moist foods such as sauces and buffets at room temperature.
  • Have food that is well cooked and served hot.
  • Stick to fruits and vegetables to peel yourself, such as bananas, oranges, and avocados. Stay away from salads and fruits that you can’t easily peel, like grapes and berries.
  • Avoid popsicles and flavored ice cream.
  • Skip the salsa and other sauces made with fresh ingredients.

9. Do Not Drink the Water

During visiting high-risk countries, keep the following tips in mind:

  • Avoid non-sterilized water: from the stream, tap, well. If you want to take or wash fruits or vegetables in local water, boil them for at least three minutes and cool to room temperature.
  • Avoid ice cubes or fruit juices with tap water.
  • Keep your mouth closed while showering.
  • Use bottled water to brush your teeth.
  • Make sure hot drinks like coffee or tea are very hot.

You can drink cans or bottles of beverages in their original containers, including water, carbonated drinks, beer, or wine, as long as you break the seals on the containers themselves. Clean any cans or bottles before drinking or pouring.

You can chemically disinfect the water with iodine or chlorine. Iodine is usually more effective but limits its use because too much iodine can be harmful to your body.

10. Take Precautions to Avoid Passing a Parasite on to Anyone Else

If you have Blastocystis Hominis or any other gastrointestinal infection, good personal hygiene can help prevent the infection from being passed on to others:

  • Clean your hands often with detergent and water, especially after using the bathroom and before, during, and after handling food. Rub your damp, soapy hands together for at least 20 seconds before rinsing foam with the back of your hand and in the middle of your fingers. Dry your hands fine with a fresh towel.
  • If water and soap not accessible, use an alcohol-based hand sanitizer that contains at least 60 percent alcohol.
  • Wash your hands well after changing diapers, mostly if you work in a daycare center, even if you wear gloves.

11. How Lengthy Will I Be Affected?

Blastocystis can reside in the intestine for weeks, months, or years.

12. Blastocystis Hominis Diagnosis

The cause of your diarrhea can be difficult to diagnose. Even if Blastocystis Hominis found in your stool, it may not cause symptoms. This indicates that you’ve exposed to contaminated food or water that contains other organisms that can cause gastrointestinal symptoms.

Your doctor will possibly take your medical history, ask about recent activities such as travel, and do a physical exam. Various laboratory tests help diagnose parasitic diseases and other non-infectious agents of gastrointestinal signs:

Stool (fecal) Exam

This analysis examines for parasites or their eggs. Your doctor can give you a particular container of preservative liquid to hold your stool samples. Refrigerate your samples, don’t freeze them until you take them to your doctor’s office or laboratory.


If you have symptoms, but the stool exam doesn’t reveal the cause, your doctor may order this test. After sedation, a doctor, usually a gastroenterologist, will insert a tube into your mouth or rectum to look for your symptoms. You need to start the night quickly before the test.

Blood Test

There is a blood test that can detect blastocystis, but it not used often. But, your doctor may request blood tests to see for other causes of your signs and symptoms.

13. Blastocystis Hominis Treatment

If you have Blastocystis Hominis with no signs or symptoms, you don’t require treatment. Light signs and symptoms may improve on their own in a few days.

Possible Drugs to Treat Blastocystis Hominis Comprise

  • Antibiotics such as utilizing metronidazole (Flagyl) or tinidazole (Tindamax)
  • Combination drugs like sulfamethoxazole and trimethoprim (Bactrim, Septra, others)
  • Antiprotozoal drugs such as paromomycin or nitazoxanide (Alinia)

The response to medications for Blastocystis Hominis varies significantly from person to person. And because your body may not be causing your symptoms, the improvement could be due to the medicine working on another body.

Get Ready for Your Date

You will likely see your family doctor. Though, in a few circumstances, you may refer to someone specializing in infectious diseases or digestive disorders (gastroenterologist).

Here you will get information on preparing your appointment.

What can You Do?

Please note the restrictions before the appointment. When making an appointment, ask if you need to do anything in advance, such as restricting your diet.

Make a list of:

  • Your symptoms and when they started
  • Important personal information, including any significant stresses or recent life changes and if you have recently traveled to a developing country
  • Any supplements, medicines, or vitamins you are taking, including dosages.
  • Questions to your doctor

Some of the questions to ask your doctor include:

  • What is the most likely cause of my symptoms?
  • Are there other possible causes?
  • What tests do I need?
  • What treatments are there, and which ones do you recommend?
  • Should I change my diet?
  • Are there brochures or other printed matter that I can take home? Which websites do you recommend?

Feel free to ask additional inquiries.

What to Assume of Your Consultant?

Your doctor is possible to request you questions, comprising:

  • Do you possess symptoms all the time, or do they come and go?
  • How severe are your symptoms?
  • Does anything seem to improve your symptoms?
  • What, if anything, seems to be making your symptoms worse?
  • Do you have any other health problems?

What Can You Do in the Meantime?

If your signs are related to Blastocystis Hominis, they will likely go away on their own before you see your doctor. Stay well, hydrated. Oral rehydration solutions, available through pharmacies and health authorities worldwide, can replace lost fluids and electrolytes.

14. Blastocystis Hominis Natural Treatment

There are natural ways to aid the body’s natural detoxification and immune function while eradicating parasites.
Avoid medication for diarrhea, as these can further irritate the intestine’s lining, which means that parasites only stick more firmly to the intestinal walls and mucus. While these drugs can stop the discomfort, parasites can linger in your body and other complications that can worsen your illness.

Certain herbs and spices should consumed to strengthen the immune system and fight blastocystis. You can consume them as a fresh herb, dried, or in the form of tea, pill, or tincture (however, if you’ve had alcohol-related abuse, avoid remedies). Work with your doctor if you are on medication, as some herbs can have contradictions:


Parasitology Research published a study by the Medical Department of Aga Khan University in 2011 that showed that garlic is effective against Blastocystis Hominis as a traditional prescription drug.


Known in traditional medicine for killing worms, it is a mild sedative and can increase stomach acid.

Black Walnut

A traditional remedy for parasites and fungal infections. It aids digestion and acts as a mild laxative.


Supports healthy immune function, fights inflammation and infection, cleanses the body, and improves digestion.


Experimental Medicine and Therapeutics published a study published in 2015 showing that clove oil tested in patients with Demodex, a parasite, and five other traditional Chinese herbs (cinnamon bark, rhizome Alpinia officinarum, prickly ash peel, orange fruit, and Manchurian wild ginger). The results showed that none of the natural remedies had side effects and that clove oil was incredibly useful.

Diet supplements are essential in combating not only parasitic activity but also the imbalance of harmful bacteria and candida overgrowth – two side effects that can be caused by parasites that disrupt a healthy gut.


From Blastocystis Hominis can correlate with an overgrowth of harmful bacteria. So the beneficial bacteria need to be reintroduced into the body to aid digestion, immunity, and the inflammatory response. Thus, Canxida Restore contains 6 potent, clinically proven probiotic strains with a total of 18 billion bacteria.

This amount is ideal because eating too many strains puts you at risk of fighting each other for attention and killing each other. So too many bacteria can affect the body and cause persistent and worse symptoms like diarrhea, dizziness, or gas. The blend also contains 7 enzymes that are critical to the breakdown and absorption of food. Also, this means that your body is receiving the nutrients, and the parasites are starving. Gastrointestinal side effects also reduced or avoided when enzymes ingested with food.

Antiparasitic Mixture

Canxida Remove is the best option. So it contains herbal blends to fight parasites, including blastocystis and candida overgrowth and harmful bacteria that can develop from parasites. So on their part, it says nothing about Blastocystis, but don’t worry as this works for all types of parasites.


Zinc is a common mineral deficiency and supports the immune system and healthy intestinal walls. You can safely take up to 30 mg of zinc per day, even if you are not deficient.

Dietary Fiber

Dietary fiber is vital in removing toxins from the body. Also, the product is a naturally rich source of fiber, but additional supplements are available.

15. Does Blastocystis Hominis Go Away?

Blastocystis Hominis disease generally clears on its own. Besides, there are no proven treatments for these infections.

16. Conclusion:
This information not intended to use for self-diagnosis or medication and also not an alternate for consultation with a health care expert. So if you have any queries regarding the parasites defined above or think that you might have a parasitic infection, check a health care specialist.


1. Does blastocystis hominis go away?
Blastocystis hominis, also known as Blastocystis spp. Besides, Blastocystis hominis infection usually goes away on its own. There are no proven treatments for these infections.
2. How do you treat blastocystis hominis?
Possible drugs to treat Blastocystis hominis are: antibiotics such as metronidazole (Flagyl) or tinidazole (Tindamax), combination drugs such as sulfamethoxazole and trimethoprim (Bactrim, Septra, others), antiprotozoal drugs such as paromomycin or nitazoxanide (aliniazoxanide).

3. Is blastocystis hominis contagious?
Yes, Blastocystis hominis infection can be very contagious. To avoid spreading Blastocystis ‘hominis’ to others, follow these guidelines: Wash your hands with soap and water after using the bathroom and before handling food.

4. What are the side effects of metronidazole?
May cause dizziness, headache, upset stomach, nausea, vomiting, loss of appetite, diarrhea, constipation, or a metallic taste.

5. Can you see Blastocystis Hominis in stool?
It found in healthy people who are not experiencing digestive symptoms and sometimes in the stools of people. So who have diarrhea, abdominal pain, or other gastrointestinal problems. Besides, Researchers do not fully understand the role that Blastocystis Hominis plays in causing the disease.

What are your views on this article? Is it informative?

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