Yes, it is possible to get sick from contact with lake algae, although the risk is generally low. Certain types of algae can produce toxins that can cause skin, eye, and throat irritation, and they can also cause gastrointestinal distress when ingested. It is also possible to suffer an allergic reaction to contact with algae. To reduce the risk of getting sick, it is best to avoid contact with algae-contaminated water, and to wear protective clothing when swimming in lakes or other bodies of water.

Can algae in water make you sick?

Yes, certain types of algae found in water can make people sick. Exposure to toxins produced by blue-green algae, also known as cyanobacteria, can cause skin irritation, gastrointestinal problems, and respiratory issues. People should avoid swimming in or drinking water that is contaminated with cyanobacteria.

How long does it take for algae to make you sick?

Eating algae can make you sick, depending on the type of algae and the amount consumed. In most cases, the symptoms of algal poisoning appear within a few hours after consuming the algae, but can take up to 24 hours to become noticeable. Symptoms can include nausea, vomiting, stomach cramps, diarrhea, dizziness, and fatigue.