Overdoses of some common household medications can cause serious health problems, including coma or death. Here are some common drug categories and their potential risks: 1. **Acetaminophen (e.g. Tylenol, Paracetamol)**: - **Risks**: Liver failure - **Note**: Overdoses can cause severe liver damage, even fatal. 2. **Nonsteroidal anti-inflammatory drugs (NSAIDs, e.g. Ibuprofen, Naproxen)**: - **Risks**: Kidney failure, stomach bleeding - **Note**: High doses can damage the kidneys and gastrointestinal tract. 3. **Aspirin**: - **Risks**: Acidosis, bleeding problems - **Note**: Overdoses can cause metabolic and respiratory problems. 4. **Benzodiazepines (e.g. Valium, Lorazepam)**: - **Risks**: Respiratory depression, coma - **Note**: Risks are higher when used with other CNS depressants. 5. **Antidepressants (such as selective serotonin reuptake inhibitors, SSRIs)**: - **Risks**: Arrhythmias, serotonin syndrome - **Notes**: Overdose may cause severe neurological reactions. 6. **Heart disease medications (such as beta blockers)**: - **Risks**: Bradycardia, hypotension - **Notes**: Overdose may cause serious damage to heart function. 7. **Cough and cold medicines (containing ingredients such as dextromethorphan)**: - **Risks**: Central nervous system depression, coma - **Notes**: Abuse may cause serious neurological problems. **Important**: If you or someone you know shows signs of overdose, such as confusion, difficulty breathing, extreme drowsiness, etc., please seek emergency medical help immediately or contact local emergency services. The best way to prevent overdose is to use the medication according to the instructions of your doctor or pharmacist and avoid increasing the dose without authorization or mixing multiple medications.