Overview
An acute intestinal infection mainly spread through contaminated water or food. Rapid rehydration is key.
Symptoms
Symptoms | Frequency | Severity | Onset |
|---|---|---|---|
| Diarrhea | 98% | Severe | Early |
| Dehydration | 90% | Critical | Early |
| Vomiting | 80% | Moderate | Early |
| Abdominal cramps | 45% | Mild | Early |
| Loss of appetite | 55% | Mild | Early |
| Malaise | 50% | Mild | Early |
| Nausea | 65% | Mild | Early |
| Fever | 10% | Mild | Early |
| Hypotension | 40% | Severe | Peak |
| Oliguria | 50% | Moderate | Peak |
| Tachycardia | 75% | Moderate | Peak |
| Fatigue | 70% | Mild | Peak |
| Shock | 15% | Critical | Peak |
| Irritability | 30% | Mild | Peak |
| Seizures | 5% | Severe | Peak |
| Altered consciousness | 8% | Severe | Late |
| Confusion | 10% | Moderate | Late |
Transmission
Overview
Cholera risk can be significantly reduced with safe water, food hygiene, and hand hygiene. In higher‑risk travel scenarios, vaccination may be considered after a travel‑medicine consultation.
Overview
Cholera is an acute intestinal infection caused by the bacterium Vibrio cholerae. Infection most often occurs after consuming contaminated water or food. Many cases are mild, but severe watery diarrhea can develop and lead to dehydration.\n\nThe most important step is prompt fluid replacement. For travelers, risk is higher in settings with limited access to safe water and sanitation.
Emergency Signs
- signs of dehydration: very little urine, marked drowsiness, severe weakness\n- fainting or confusion\n- rapid deterioration\n- persistent vomiting preventing fluid intake
Detailed Symptoms
Most common signs and symptoms
Cholera primarily affects the gut and fluid/electrolyte balance.\n\n- watery diarrhea\n- nausea and vomiting\n- muscle cramps (due to electrolyte loss)\n- intense thirst, dry mouth\n- weakness, dizziness
Knowing the symptoms is the first step to a quick response.
Course of Disease
Incubation is usually short (days). Illness can be mild or progress quickly—severe dehydration requires urgent medical care.
Diagnosis
How this disease is identified
Diagnosis is guided by symptoms and exposure history (including travel) and can be confirmed with laboratory testing of stool samples.
Treatment
Available treatment methods
Treatment focuses on rapid rehydration (oral rehydration salts or, in more severe cases, intravenous fluids) and electrolyte replacement. Antibiotics may be used in selected situations as decided by a clinician. Anti‑diarrheal medicines are not always appropriate—seek medical advice if unsure.
Most cases are effectively treated with early diagnosis.
Prevention Details
How to protect yourself
- drink bottled or boiled water\n- avoid ice of unknown origin\n- eat thoroughly cooked food served hot\n- wash hands and use hand sanitizer\n- consider vaccination for higher‑risk itineraries
Preparation is the best protection.
Travel Advice
- check destination health advisories\n- pack oral rehydration salts (ORS)\n- start rehydration early if diarrhea begins\n- seek medical care if symptoms are severe or worsening
How common is it?
Statistics and geographic data
Cholera occurs in outbreaks in multiple regions, especially where safe water and sanitation are limited. Travel risk depends on destination, local hygiene standards, and current public‑health situation.
Risk Factors
Who is most at risk
Higher risk is associated with unsafe drinking water, raw foods, travel to areas with limited sanitation, humanitarian work, and crisis settings (e.g., after natural disasters).
Complications Details
Potential complications
Complications are mainly related to dehydration and electrolyte imbalance. Untreated severe dehydration can lead to shock and organ failure.
Recovery & Outlook
Expected outcomes and recovery
With timely rehydration, outcomes are usually good. Delayed treatment increases the risk of complications in severe dehydration.
