Emergencies can happen at any time and in any place. Being able to recognize the signs of an emergency is crucial in ensuring that prompt and appropriate action is taken, potentially saving lives and preventing further harm.

This article will outline 10 emergency signals that demand immediate attention.

1. Chest Pain or Discomfort

Chest pain or discomfort can be a sign of a heart attack, which is a medical emergency. The pain or discomfort may be in the center of the chest, or it may spread to the arms, back, neck, jaw, or stomach.

Other symptoms may include shortness of breath, nausea, lightheadedness, or sweating. If you or someone else is experiencing chest pain or discomfort, call 911 immediately.

2. Difficulty Breathing

Difficulty breathing can be caused by a variety of medical conditions, including asthma, allergies, pneumonia, or even a heart attack. Symptoms may include shortness of breath, wheezing, chest tightness, or a rapid heartbeat.

If you or someone else is having trouble breathing, seek medical attention right away.

3. Severe Bleeding

Severe bleeding can be caused by a variety of injuries, including cuts, puncture wounds, or even gunshot wounds. If someone is bleeding heavily, apply direct pressure to the wound and seek medical attention immediately.

4. Head Injury

A head injury can range from a minor bump to a severe concussion. Symptoms may include headache, nausea, vomiting, confusion, or loss of consciousness. If you or someone else has suffered a head injury, seek medical attention right away.

5. Seizures

Seizures can be caused by a variety of medical conditions, including epilepsy or a head injury. Symptoms may include convulsions, muscle rigidity, or loss of consciousness.

If someone is experiencing a seizure, protect them from injury and seek medical attention immediately.

6. Severe Allergic Reaction

A severe allergic reaction can be caused by a variety of allergens, including food, medication, or insect venom. Symptoms may include hives, swelling, breathing difficulties, or a rapid heartbeat.

If you or someone else is experiencing a severe allergic reaction, use epinephrine if available and seek medical attention right away.

7. Drug Overdose

A drug overdose can be caused by a variety of substances, including prescription drugs, illegal drugs, or even alcohol. Symptoms may include difficulty breathing, seizures, or loss of consciousness.

If you suspect someone has overdosed on drugs, seek medical attention immediately.

8. Stroke

A stroke is a medical emergency that occurs when blood flow to the brain is disrupted.

Symptoms may include weakness or numbness in the face, arm, or leg, especially on one side of the body, confusion, trouble speaking or understanding, or severe headache. If you or someone else is experiencing any of these symptoms, call 911 immediately.

9. Choking

Choking can occur when something becomes lodged in the throat, blocking the airway. If someone is choking and can’t speak or breathe, perform the Heimlich maneuver and seek medical attention right away.

10. Poisoning

Poisoning can occur when someone ingests a harmful substance, such as household chemicals or medications. Symptoms may include vomiting, diarrhea, abdominal pain, or confusion.

If you suspect someone has been poisoned, call poison control or seek medical attention immediately.