Symptoms may occur after drinking water with elevated levels of toxins associated with harmful algal blooms such as:
- Allergic reactions or breathing difficulties
- Eye or throat irritation
These symptoms are very similar to symptoms from other gastrointestinal illnesses or allergic reactions.
Stop drinking the water and seek medical attention if you or your family experience these symptoms.
Gastroenteritis, which may include diarrhea, vomiting, and abdominal pain, and liver and kidney damage, has been reported in humans following short-term exposure to toxins associated with harmful algal blooms in drinking water. However, more research is needed to fully understand the health effects.