July 28, 2026
Diarrhea is one of the most common health complaints worldwide and a frequent reason for clinic visits in the UAE. Whether it happens suddenly after a meal, comes with vomiting and nausea, or lasts longer than expected, diarrhea can quickly affect your daily life and overall health.
In this guide, we explain what is diarrhea, what causes diarrhea, common diarrhea symptoms, and the most effective diarrhea treatment options, with clear advice on when you should seek medical care.
Diarrhea is defined as passing loose, watery stools three or more times a day. It occurs when the intestines are unable to absorb enough water from stool or when fluid secretion into the gut increases.
Diarrhea may be:
While many cases are mild and self-limiting, others may signal an underlying infection or digestive condition.
Common diarrhea symptoms include:
Depending on the cause, diarrhea may also occur with other symptoms such as:
Diarrhea and Vomiting
Often seen in viral or food-borne infections. This combination increases the risk of dehydration, especially in children and older adults.
Diarrhea and Nausea
Nausea commonly accompanies infections, food intolerance, or gastritis and may appear before diarrhea begins.
Diarrhea and Stomach Pain
Cramping or pain may indicate intestinal irritation, infection, or conditions such as irritable bowel syndrome (IBS).
Diarrhea After Eating
This may suggest:
If you’re wondering what causes diarrhea, the reasons vary from simple dietary triggers to medical conditions.
Common Causes of Diarrhea
Medical Conditions Linked to Diarrhea
| Cause | Typical Features | Associated Symptoms | Key Clues |
| Acute Gastroenteritis (Viral/Bacterial) | Sudden onset, watery diarrhea | Diarrhea and vomiting, diarrhea and nausea, fever, stomach cramps | Often after contaminated food or contact with an infected person |
| Food Poisoning | Rapid onset (hours) | Diarrhea after eating, vomiting, and abdominal pain | Multiple people affected after same meal |
| Lactose Intolerance | Diarrhea after dairy intake | Bloating, gas, diarrhea and stomach pain | Symptoms improve when dairy is avoided |
| Dietary Causes | Related to specific foods | Diarrhea after eating, bloating | Triggered by fatty, spicy foods, caffeine, artificial sweeteners |
| Irritable Bowel Syndrome (IBS) | Chronic or recurrent diarrhea | Diarrhea and stomach pain relieved by defecation, bloating | No fever, no blood, symptoms linked to stress |
| Medication-Induced Diarrhea | Starts after new medication | Loose stools, cramps | Common with antibiotics, metformin, magnesium |
| Antibiotic-Associated Diarrhea | Occurs during or after antibiotics | Watery diarrhea, abdominal pain | History of recent antibiotic use |
| Inflammatory Bowel Disease (IBD) | Chronic diarrhea | Blood or mucus in stool, weight loss, fatigue | Persistent symptoms, may have anemia |
| Celiac Disease | Chronic diarrhea | Bloating, weight loss, nutrient deficiencies | Triggered by gluten-containing foods |
| Malabsorption Syndromes | Ongoing diarrhea | Greasy stools, weight loss | Poor absorption of fats or nutrients |
| Endocrine Causes (e.g., Hyperthyroidism) | Chronic diarrhea | Weight loss, palpitations, heat intolerance | Other systemic symptoms present |
| Parasitic Infection | Persistent diarrhea | Bloating, fatigue | Travel history, untreated water exposure |
| Stress or Anxiety-Related Diarrhea | Intermittent diarrhea | Diarrhea and nausea, urgency | Occurs during stressful situations |
Effective diarrhea treatment depends on the cause and severity.
1. Hydration Is Essential
Replacing lost fluids is the most important step. Oral rehydration solutions help restore electrolytes and prevent complications.
2. Diet Adjustments
During diarrhea episodes:
3. Medications
Self-medication should be avoided, especially if diarrhea is severe or persistent.
Seek immediate medical attention if diarrhea is associated with:
At Reem Hospital, our internal medicine and gastroenterology teams provide:
Early evaluation helps prevent complications and ensures faster recovery.
Diarrhea is common, but it should never be ignored when symptoms are severe, persistent, or recurrent. Understanding diarrhea symptoms, knowing what causes diarrhea, and choosing the right diarrhea treatment can protect your health and prevent complications.
If you or a family member are experiencing diarrhea with vomiting, nausea, stomach pain, or diarrhea after eating, timely medical care can make all the difference.
Patient Login
