If someone is taking too high a dose or is otherwise overusing hydrocodone, some symptoms to watch out for are a slower heartbeat, lightheadedness, confusion, depression, blurred vision, headaches, nausea and vomiting. Some people even experience seizures. If you notice any of these symptoms in yourself or a loved one, notify your doctor. If you can, check with your doctor about switching to Norco 10/325 tablets (it's the same drug, just with less acetaminophen). This way you're taking less Tylenol and causing less stress on your liver. It varies among people. Vicodin comes in various dosages; 5 mg of hydrocodone (The Vicodin) and 500 acetaminophen or better known as 5/500. Then there's also 7.5/750 and 10/325. Taking too much of a lot of different things will kill you. If you are asking this question because you are not feeling like your normal self, please contact your doctor as soon as possible. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Cattano on how many hydrocodone would kill you: If you are having thoughts about killing yourself, get seen at the nearest emergency room now. Have a friend or relative drive you or call 911 for emergency services for transport. You can call the National suicide. Hydrocodone and oxycodone are opioids, drugs that are mostly used to treat extreme pain. Hydrocodone and oxycodone overdose occurs when someone intentionally or accidentally takes too much medicine containing these ingredients. 1. Knowing how many ibuprofens does it take to die and what overdose of it can do for you is not enough, know also what to do if overdose. Call the Poison Help line (1-800-222-1222) and seek emergency medical attention. You may also have an overdose by taking more than the amount your doctor authorized, for recreational use or to hurt yourself. An overdose is very dangerous. It can lead to death.