An overdose occurs when a person takes too much of a substance, such as a drug or alcohol, which can lead to serious health problems or even death. This can happen accidentally or intentionally, and the effects can vary depending on the substance involved. Common signs of an overdose include confusion, difficulty breathing, and loss of consciousness. If someone is suspected of having an overdose, it is crucial to seek immediate help. Calling emergency services can provide the necessary assistance, and in some cases, medications like naloxone can reverse the effects of an overdose from opioids. Timely action can save lives.