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Can Crohn’s Disease Be Transmitted? Causes, Risk Factors and Effective Intervention

can crohn's disease be transmitted

One form of inflammatory bowel disease (IBD) that can cause severe inflammation anywhere in the digestive tract—from the mouth to the anus—is Crohn’s disease. Frequent symptoms of this condition include exhaustion, weight loss, stomach pain, and ongoing diarrhea. Those with the diagnosis may experience a considerable reduction in quality of life. 

According to the Crohn’s & Colitis Foundation, Crohn’s disease affects about 780,000 people in the United States. Given its prevalence, understanding this disease and implementing effective interventions are crucial.

How Can People Get Crohn’s Disease?

Complex in nature, Crohn’s disease is believed to be brought on by a confluence of immunological, environmental, genetic, and microbiological factors. Let us examine each of these influencing factors in more detail:


A major factor in the development of Crohn’s disease is genetics. Specific genes, such as NOD2, IL23R, and ATG16L1, have been closely linked with increased susceptibility to this condition. The NOD2 gene, for example, has a significant impact on the immune system’s capacity to recognize and respond to bacteria. Chronic inflammation, a feature of Crohn’s disease, results from mutations in this gene that cause an overly reactive immune response.

However, while these genetic variants increase one’s likelihood of developing Crohn’s, they do not guarantee its onset, suggesting that other factors also contribute.


Environmental factors, particularly those associated with living in urban areas or developed countries, have been correlated with a higher incidence of Crohn’s disease. Such environments often involve a Westernized diet high in processed foods, sugars, and unhealthy fats, potentially leading to an imbalance in gut bacteria and triggering chronic inflammation. 

Additionally, urban and developed areas tend to have higher pollution levels, which can further contribute to the development of inflammatory conditions like Crohn’s disease.

Immune System

An essential factor in the onset of Crohn’s disease is the immune system. An overactive or misdirected immune response can result in the body attacking its own digestive tract cells, leading to the inflammation characteristic of Crohn’s. This inappropriate immune response could be triggered by various factors, including genetic predisposition, environmental influences, or an imbalance in the gut microbiota.


Our entire health, including our immune system and digestion, is greatly dependent on the community of microorganisms called the gut microbiome that resides in our intestines. An imbalance in this community, known as dysbiosis, can disrupt these processes and has been associated with the development of inflammatory bowel diseases, including Crohn’s. 

Dysbiosis may result from a variety of factors, including diet, antibiotic use, or other environmental influences, and can lead to an overreactive immune response and chronic inflammation in the gut.

Crohn’s Disease is Neither Contagious Nor Sexually Transmitted

There are common misconceptions about Crohn’s disease being contagious or sexually transmitted. However, both of these beliefs are far from the truth.

To begin, it is critical to state that Crohn’s disease cannot be transmitted through sexual contact. Even though the disease can potentially affect intimate relationships, there’s no risk of transmitting it to a partner during sexual intercourse.

Secondly, the notion that Crohn’s disease is contagious is also incorrect. The disease cannot be passed from one person to another through physical contact, such as kissing or hugging. It is believed that a combination of genetic, environmental, and immune system factors, possibly in addition to a microbiome imbalance in the gut, cause Crohn’s disease. Therefore, you can rest assured that there’s no evidence suggesting that you can contract Crohn’s disease from someone else.

While sexual transmission does not play a role in the development of Crohn’s disease, it’s crucial to understand that there are other risk factors involved as well. These additional factors can influence the likelihood of an individual developing this inflammatory bowel disease.

Other Risk Factors for Crohn’s Disease

Age: While Crohn’s disease can strike at any age, it is most commonly diagnosed in people aged 15 to 35.

SmokingThis is the most important risk factor for developing Crohn’s disease that is under your control. Smokers are twice as likely as nonsmokers to develop the disease.

Use of Nonsteroidal Anti-Inflammatory Medications (NSAIDs)Regular use of NSAIDs such as ibuprofen may cause bowel inflammation, worsening Crohn’s disease.

Ethnicity: Although Crohn’s disease can affect people of any ethnicity, whites and people of Eastern European (Ashkenazi) Jewish descent are at the highest risk.

Diet and StressWhile diet and stress were previously thought to be risk factors, new research indicates that they may aggravate but do not cause Crohn’s disease. A high-fat diet, on the other hand, may raise your chances.

Key Considerations and Effective Coping Mechanisms with Crohn’s

Being diagnosed with Crohn’s disease can be frightening, but it is important to remember that the disease does not define you or your loved ones. Here are some strategies and considerations that can guide you in managing this disease effectively:

Adopting Healthy Lifestyle Changes: Incorporating a balanced diet and regular physical activity into your routine can go a long way in managing the symptoms of Crohn’s disease.

Effective Medication Management: Adhering to your prescribed medication regimen is essential in controlling inflammation and preventing potential flare-ups.

Seeking Emotional Support: Don’t underestimate the power of emotional support. Counseling and support groups can offer much-needed solace and understanding. 

Ensuring Regular Health Check-ups: Regular visits to your healthcare provider are vital in monitoring the progression of the disease and making necessary adjustments to your treatment plan.

While living with Crohn’s disease can present certain challenges, it’s important to focus on the fact that, with appropriate management and support systems in place, individuals with this condition can lead fulfilling and active lives. The journey may appear to be difficult, but remember that you are stronger.


  • Diane Silva

    Diane is a travel enthusiast, content creator, and master storyteller, capturing her adventures through captivating blogs and engaging vlogs. With a passion for the great outdoors and a love for literature, she brings a unique perspective to the travel world. Whether she's exploring hidden gems or discussing the latest trends, Diane is your go-to source for all things travel and beyond.