1(800) 615-1067Cocaine is a vasoconstrictor, meaning that it causes blood vessels to narrow and reduces blood flow to the area. This property of cocaine can help stop nosebleeds by reducing blood flow to the nasal tissue and decreasing bleeding. However, using cocaine to stop nosebleeds is not a safe or recommended practice as it can lead to addiction and serious health problems. It is important to seek medical attention for nosebleeds and follow appropriate treatment methods recommended by a healthcare professional.