Yes, you should definitely talk to your doctor about the significant gum bleeding you are experiencing, especially if you are taking Citalopram. This medication can be associated with abnormal bleeding, and it is important to discuss this potential side effect with your healthcare provider to determine the best course of action. It is important to be cautious when taking Citalopram with other medications that may affect blood clotting, such as aspirin or certain anti-inflammatory drugs. Your doctor can assess your individual risk factors and adjust your treatment plan accordingly.