Managing Irritable Bowel Syndrome (IBS) involves a multifaceted approach, including lifestyle modifications, dietary changes, and medication.

1. Lifestyle adjustments often incorporate stress reduction techniques like yoga, meditation, and regular physical activity to alleviate symptoms like bloating and constipation.
2. A critical component of dietary management is the introduction of soluble fiber, which can be found in foods like oats, barley, apples, and carrots. Restricting and then gradually reintroducing potential trigger foods helps identify specific irritants. Following a low-FODMAP diet can also improve symptoms for some patients by limiting certain carbohydrates found in a wide range of foods.
3. Pharmacotherapy is tailored to the predominant symptoms: for IBS with diarrhea (IBS-D), treatments might include antidiarrheal agents like loperamide and, in severe cases, medications such as alosetron or eluxadoline. For IBS with constipation (IBS-C), options like lubiprostone are used, while antispasmodic agents like dicyclomine can alleviate abdominal pain.
4. Additionally, antidepressants might be prescribed to address underlying anxiety or depression and to modulate intestinal transit time.

In terms of nursing management, the first step is to thoroughly evaluate the patient's medical history, symptoms, previous treatments, lifestyle factors, and potential triggers. Nursing diagnoses might include 'Acute Pain,' related to abdominal spasms, and 'Imbalanced Nutrition,' linked to altered nutrient absorption. Collaborative goals are then set, focusing on pain relief, maintaining stable vital signs, achieving a healthy weight, and comprehensive patient education. Nursing interventions involve informing the patient about IBS, dietary recommendations, stress management techniques, and the importance of treatment adherence. Continuous evaluation and modifications of the care plan ensure effective management, adapting to the patient's response to interventions and changes in their condition.