Parasitic Infection in Humans: How to Deal with It?

Category: Health | Author: richardsreese | Published: May 30, 2025

Many of us are probably aware that parasites exist, but we may only think about them when we are on vacation in a tropical country or watching a survival reality show. In fact, parasitic infections are quite common. Parasites can reside in our body and go unnoticed while being picked up from food, water, or even skin contact.

Doctors prescribe medication to treat certain types of parasitic infections. For instance, Ivermectin 12 mg (Iverheal) and Covimectin 12 (Ivermectin 12mg) is commonly prescribed to patients suffering from scabies, strongyloidiasis, and other infections caused by worms. Ivermectin works by paralyzing the worms and removing them from affected body parts. It is widely used due to being a well-tolerated medicine amazing across the globe.

But how do you know you have a parasitic infection? And once you know, how do you treat it? Let’s break it down.

What Is a Parasitic Infection?

A parasitic infection is defined as an ailment caused by an infection where a parasite, which can be a worm, protozoa, or an ectoparasite such as lice or mites, invades and feeds on the human’s physiologic system. Parasites can live in the intestine, blood, skin, or other body organs and slowly thrive without the owner’s knowledge for an extended period of weeks or even months.

Three Types of Parasites Attach to Humans:

Protozoa (e.g., Giardia, Entamoeba)

Helminths (worms like tapeworms, roundworms, pinworms)

Ectoparasites (like lice, mites, and ticks)

each has a unique trait, symptoms that come and go, and different ways of moving from one host to another.

Symptoms to Look Out For 

As with other health problems, parasite infections are bound to mimic issues to throw you off balance. The difference is with a few of the following issues – post travel or consuming undercooked food, seeing a doctor or getting tested makes sense:

  • Ongoing diarrhea or constipation
  • Bloating, gas, or cramping
  • Unexplained weight loss
  • Fatigue and weakness
  • Itchy skin or rashes
  • Anal itching (common in pinworm infections)
  • Nausea or vomiting
  • Visible worms or segments in stool (yes, really)

Some parasites will not show signs of existence for a while, making advanced detection harder.

How Do People Get Infected?

In today’s world, parasites can enter your body from numerous paths:

  • Contaminated water or food
  • Poor sanitation practices
  • Sharing unclean space
  • Travel to high-risk areas
  • Barefoot walking in contaminated soil

Urban and suburban citizens can also be exposed via imported foods or their visit to public amenities.

Diagnosis and Medical Help

No self-guesswork or self-treatment steps should be undertaken. Healthcare providers will be able to do the appropriate testing, which may include stool sample, blood examination, tissue scrap, or even imaging.

Diagnosis is the first step, followed by treatment that mostly depends on the class of organism considered. Required medicine usually involves the following anthelminthic drugs:

  • Invermectin
  • Albendazole
  • Metronidazole
  • Mebendazole

In each specific case, specialists need to be consulted to obtain the required dosage in consideration with supervision. Inversely, while some parasites can be dispossessed with a single administration, others are far more resistant and take longer courses.

How to Deal with It and Recover

Getting treated requires one to stick to the strategy provided and do everything on the plan. Here is why:

  • Fluid intake is crucial to stabilize body functions especially in case of vomiting or diarrhea.
  • Clean nutritious food that is easy to digest puts less tension on the recovering body system.
  • Infection cannot be used casually after the hand washing as well as hygiene requirements need to be steadfast till the surrounding area is infection free.
  • Get total rest in a bid to escape the scrounged feeling after a parasitic infection that tires the entire body.
  • Some infections may need re-checking to confirm that the parasite has completely disappeared.

If your doctor thinks there is a chance the infection could be passed on, he or she may recommend treating close contacts or family members too.

Prevention Tips

After dealing with a parasite, you’d want to stay clear of getting one again. Here are some basic measures you can take to safeguard yourself:

  • Make sure to wash your hands with soap and clean water on a regular basis.
  • Always ensure that meat is thoroughly cooked before it is served.
  • In places considered high-risk, drink bottled or filtered water.
  • Whenever traveling, avoid unprocessed food from street merchants.
  • Maintain short and clean nails.
  • Remove peel from fruits and vegetables before consumption.
  • Avoid walking barefoot in public places, particularly in rural or unfamiliar regions.

Final Thoughts

While parasitic infections for humans can be a source of concern, they are manageable and most importantly, treatable and preventable. If you notice something does not feel right within your body and the symptoms persist, refrain from ignoring it. Follow your gut, and in some cases quite literally, and get tested.

With appropriate examination, timely treatment and lifestyle alterations, as well as the use of ivermectin 12 mg when required, recovery can be achieved. This allows the individual to become healthier, stronger, and free of parasites.