What would 300mg of Cymbalta do to you?

Taking 300 mg of Cymbalta (duloxetine), which is significantly above the typical maximum daily dose, could lead to serious side effects or an overdose. Common effects might include increased anxiety, dizziness, nausea, and changes in heart rate. In severe cases, it could lead to more serious symptoms like serotonin syndrome, seizures, or liver damage. It is crucial to follow a healthcare provider's guidance regarding dosage to ensure safety and effectiveness.