Using pepper balls may cause irritation and injury to eyes, skin or respiratory system. Here are some possible scenarios:Eye irritation: Irritating substances in pepper balls may irritate eyes, resulting in tears, redness, pain and other symptoms. If not treated in time, it may also cause corneal damage or even blindness.Skin irritation: Irritating substances in pepper balls may irritate the skin, causing skin redness, pain, itching and other symptoms.Respiratory irritation: The irritant substance in pepper ball may irritate respiratory tract, leading to cough, dyspnea, asthma and other symptoms.If you are hit by a pepper ball and feel unwell, you should seek medical help immediately. While waiting for medical help, the following measures can be taken to relieve symptoms:Rinse eyes or skin with clear water to reduce the effect of stimulating substances.Drink plenty of water to dilute the stimulating substances in the body.If there are serious reactions such as shortness of breath and throat contraction, you should seek medical attention immediately.In short, when using pepper balls, you must strictly abide by the operating requirements and pay attention to protecting yourself and others. If you are accidentally hit by a pepper ball and feel unwell, you should seek medical help immediately.