Conditions list medically reviewed by George Krucik, MD, MBA
The recommended amount of caffeine is usually 400 mg per day for healthy adults. Caffeine overdose may occur if you ingest more than this amount.
An adrenergic bronchodilators overdose is when you take too much of a certain kind of asthma medication.
Many marine animals bite or sting. Some animals are venomous, while others can inflict deep bites. Learn more about the risks and prevention.
Anthrax is a serious illness caused by a microbe called Bacillus anthracis that lives in soil. Read about the symptoms of anthrax.
The plague is a serious bacterial infection that can be deadly. It's caused by poor sanitation, overcrowding, and large rodent populations.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.