Will routine blood tests be normal for Crohn's disease?

Written by Huang Gang

Gastroenterology

Updated on April 02, 2025

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If you have Crohn's disease, conducting a routine blood test can be helpful for an auxiliary diagnosis. If the routine blood test for someone with Crohn's disease shows an increase in white blood cells, it may be indicative of a bacterial infection.

Crohn's disease can lead to persistent diarrhea, abdominal pain, and inadequate absorption of nutrients. It may also result in anemia, low red blood cell count, and low hemoglobin levels. Diagnosis can be confirmed by considering the individual's clinical symptoms in conjunction with stool routine tests and colonoscopy examinations.

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Can people with Crohn's disease eat lamb?

Patients with Crohn's disease can eat lamb, but it should be consumed in small quantities. Eating too much can increase the burden on the intestines, leading to constipation or intestinal obstruction. Crohn's disease is an inflammatory bowel disease that can cause abdominal pain, diarrhea, or intestinal obstruction. It may also lead to fever or general nutritional disorders. Dietary considerations should include eating small, frequent meals, adhering to a high-nutrition, low-fat diet, consuming plenty of vegetables, eating fruits in moderation, and avoiding spicy, stimulating, and greasy foods. During active periods, it is important to rest more and treatment can involve a combination of medication and surgery. However, the course of the disease is usually long, prone to relapses, and hard to completely cure.

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What are the symptoms of Crohn's disease?

Crohn's disease is a type of inflammatory bowel disease, primarily affecting the terminal ileum and adjacent colon, but can involve any digestive tract segment from mouth to anus, displaying either segmental or skip distribution. Clinically, it is characterized by abdominal pain, diarrhea, weight loss, abdominal mass, fistula formation, and intestinal obstruction. It may also present with fever and extraintestinal manifestations, including joint, skin, eye, and oral mucosa damage. This disease tends to recur throughout a person’s life, and severe cases can be prolonged and unhealing with poor prognosis. The onset age is mostly between 15-30 years, but initial attacks can occur at any age. The incidence rate is similar between genders. Abdominal pain is the most common symptom, often seen in the lower right abdomen or around the navel, presenting intermittently as cramp-like pain accompanied by bowel sounds, typically worsening after eating, and relieved by defecation or passing gas. Diarrhea is another common symptom, initially intermittent but can become persistent in later stages of the disease, with stools generally being pasty and containing mucus and pus-blood. If the lower part of the colon or anorectal area is involved, there may be mucus-bloody stools and a sensation of incomplete evacuation after bowel movements. Abdominal masses are often located in the lower right abdomen and around the navel, and fistula formation is a characteristic clinical manifestation of Crohn's disease.

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Can a CT scan detect Crohn's disease?

Crohn's disease generally cannot be diagnosed through a CT scan. Diagnosis of Crohn's disease relies on colonoscopy. If you experience abdominal pain and diarrhea, especially if there is mucous or bloody stool, it is recommended to undergo a colonoscopy to determine whether it is Crohn's disease or ulcerative colitis. Once the disease is confirmed, it is crucial to diagnose and treat it early. The treatment of this disease can be challenging and is highly prone to recurrence. The medical community still finds this disease a difficult problem to address. In addition to Western medicine, it is also advisable to seek treatment from Traditional Chinese Medicine (TCM). Diagnosis and treatment strategies based on TCM principles can be formulated, and combining TCM with Western medicine may achieve better results than using Western medicine alone.

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Gastroenterology

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Early symptoms of Crohn's disease

Early symptoms of Crohn's disease include abdominal pain and diarrhea, abdominal masses, and may also be accompanied by fever, anemia, and digestive nutritional disorders, and can affect joints, eyes, skin, and other organs. Some patients may have iritis, clubbed finger arthritis, oral ulcers, and chronic hepatitis. Crohn's disease is an inflammatory bowel disease of unknown cause, commonly occurring in the ileum and right half of the colon, with a tendency to be prolonged and recurrent, and is not easy to cure completely. Currently, treatment mainly involves medication combined with surgery to prevent complications. It is important to rest adequately and maintain a reasonable diet. (Please use medication under the guidance of a professional physician.)

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Gastroenterology

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Does Crohn's disease cause bowel sounds?

Crohn's disease is an inflammatory bowel condition characterized by symptoms such as abdominal pain, diarrhea, intestinal obstruction, intestinal perforation, and rectal bleeding. If diarrhea occurs, there will be noticeable hyperactive bowel sounds, and under such circumstances, it is imperative to use antidiarrheal medications promptly. Dietary adjustments are also important, including eating a moderate amount of vegetables and fruits. The dietary principles should focus on eating small, frequent meals with high nutrition and low fat. During active phases, it's crucial to rest more and stay hydrated, as severe diarrhea can lead to dehydration. Crohn's disease tends to recur frequently, so it is essential to strengthen daily care.