What causes foul-smelling stool?
Jun 29, 2024
Source: Cainiu Health
Dr. Shen Yonghua
Introduction
Foul-smelling stool may be caused by improper diet, excessive stress, functional constipation, acute gastroenteritis, ulcerative colitis, or other reasons. It is important to adjust dietary habits, maintain a positive mindset and regular作息 routine, and engage in appropriate physical exercise to promote intestinal motility and prevent constipation. Maintaining good dietary hygiene can help prevent intestinal diseases such as gastroenteritis.
Generally speaking, foul-smelling stool may be caused by improper diet, excessive stress, functional constipation, acute gastroenteritis, or ulcerative colitis. If discomfort occurs, it is recommended to seek medical attention promptly. The specific analysis is as follows:
1. Improper Diet
Frequently consuming high-protein and high-fat foods such as meat, eggs, and fried foods can lead to the production of large amounts of foul-smelling gases like hydrogen sulfide during intestinal digestion. It is advisable to adjust dietary habits by reducing intake of high-protein and high-fat foods and increasing consumption of fiber-rich foods such as vegetables and fruits.
2. Excessive Stress
Excessive stress due to work or family issues may disrupt normal intestinal function, slowing intestinal motility. This prolongs the retention time of food in the intestines, allowing increased interaction with intestinal bacteria, which can produce unpleasant odors and result in foul-smelling stools. Regular relaxation activities such as yoga, meditation, or walking are recommended, along with maintaining good sleep and eating habits.
3. Functional Constipation
Functional constipation is gastrointestinal dysfunction caused by poor dietary habits or irregular lifestyle, leading to insufficient intestinal motility. This may weaken colon movement, causing stool to remain in the intestine for too long and become dry, resulting in foul-smelling bowel movements. Symptoms such as bloating and abdominal pain may also occur. Patients should follow medical advice to take medications such as loperamide hydrochloride capsules, mannitol injection, or compound *Lactobacillus acidophilus* tablets for treatment.
4. Acute Gastroenteritis
Acute gastroenteritis is an acute inflammation of the gastrointestinal mucosa caused by bacterial, viral, or parasitic infections, commonly occurring after exposure to cold temperatures or ingestion of contaminated food. The overgrowth of intestinal bacteria leads to foul-smelling stool. Additional symptoms may include nausea and vomiting. Under medical guidance, patients may use medications such as ciprofloxacin hydrochloride tablets, enteritis relief tablets (*Changyanning Pian*), or montmorillonite powder for treatment.
5. Ulcerative Colitis
Ulcerative colitis may be related to genetic, environmental, immune, and other factors. This condition can lead to increased intestinal bacteria that decompose food and produce foul-smelling gases, resulting in malodorous stool. It is typically accompanied by symptoms such as bloody stool and abdominal pain. Patients should take medications such as mesalazine enteric-coated tablets, *Bifidobacterium triple viable* capsules, or metronidazole tablets under a doctor's guidance.
In daily life, attention should be paid to adjusting diet, maintaining a positive mindset and regular作息 (daily routine), and engaging in appropriate physical exercise to promote intestinal motility and prevent constipation.
