What symptoms does alternating diarrhea and constipation indicate?
Jun 02, 2022
Source: Cainiu Health
Dr. Shen Yonghua
Introduction
In general, alternating diarrhea and constipation may be symptoms of conditions such as irritable bowel syndrome (IBS), chronic bacterial dysentery, ulcerative colitis, Crohn’s disease, or intestinal tuberculosis. If you experience discomfort, prompt medical consultation is recommended. In daily life, maintain healthy lifestyle habits and avoid spicy, irritating foods—such as Sichuan pepper, chili peppers, and garlic—as they may impede recovery.
Generally, alternating diarrhea and constipation may be symptoms of conditions such as irritable bowel syndrome (IBS), chronic bacterial dysentery, ulcerative colitis, Crohn’s disease, or intestinal tuberculosis. If you experience discomfort, prompt medical consultation is recommended. A detailed analysis follows:
1. Irritable Bowel Syndrome (IBS)
This is a common functional gastrointestinal disorder associated with abnormal gastrointestinal motility, intestinal microbiota imbalance, visceral hypersensitivity, and psychological factors. Patients’ intestines exhibit heightened sensitivity to certain stimuli, resulting in alternating episodes of diarrhea and constipation, often accompanied by abdominal pain and bloating. Under medical guidance, patients may use medications such as mebeverine hydrochloride tablets, alverine citrate capsules, or pinaverium bromide tablets to alleviate symptoms.
2. Chronic Bacterial Dysentery
Caused by infection with Shigella bacteria, this condition persists for more than two months. When immune resistance declines, the bacteria may proliferate again within the intestine, triggering intestinal inflammation. Inflammatory stimulation increases mucosal secretion and accelerates intestinal motility, leading to diarrhea; during remission, intestinal dysfunction may occur, resulting in constipation. Under physician supervision, treatment options include sophora flavescens capsules, minocycline hydrochloride capsules, and changyanling granules.
3. Ulcerative Colitis
A chronic, nonspecific inflammatory bowel disease of unclear etiology, primarily affecting the rectum and colon. Ulcers and erosions develop in the affected colonic mucosa, impairing normal digestion and absorption and causing diarrhea—often with mucus and bloody stools. During remission, intestinal scarring and wall thickening may slow peristalsis, leading to constipation. Under medical guidance, patients may use medications such as methylprednisolone tablets, mesalazine enteric-coated tablets, or balsalazide sodium granules to relieve symptoms.
4. Crohn’s Disease
A chronic granulomatous inflammatory disease that can affect any part of the gastrointestinal tract—most commonly the terminal ileum and adjacent colon. Intestinal inflammation may cause luminal narrowing or obstruction, resulting in constipation; simultaneously, inflammation stimulates the gut, accelerating motility and causing diarrhea. Under physician guidance, symptom management may include azathioprine tablets, mercaptopurine tablets, or methotrexate tablets.
5. Intestinal Tuberculosis
When Mycobacterium tuberculosis invades the intestine, it disrupts normal intestinal motility, leading to alternating diarrhea and constipation. Under medical supervision, treatment typically includes isoniazid tablets and rifampicin capsules.
In daily life, maintain healthy habits: avoid spicy and irritating foods—such as Sichuan pepper, chili peppers, and garlic—as these may impede recovery.
