My tongue color has changed recently.

Based on the symptoms you have described - blackish discoloration of the tongue, reduced taste sensation, and a blackish line appearing in the middle of the tongue - this could potentially be a condition known as "black hairy tongue." Opinion: Black hairy tongue is a harmless, temporary condition that can occur due to an overgrowth of the papillae (small projections) on the surface of the tongue. This can lead to the tongue appearing discolored, often with a black, brown, or hairy appearance. Some common causes of black hairy tongue include: 1. Poor oral hygiene: Inadequate brushing and cleaning of the tongue can allow an overgrowth of the tongue's papillae. 2. Certain medications: Some medications, such as antibiotics, antidepressants, and certain chemotherapy drugs, can contribute to the development of black hairy tongue. 3. Smoking or excessive coffee/tea consumption: These habits can also increase the risk of developing black hairy tongue. 4. Radiation therapy: Radiation treatment to the head and neck area can sometimes lead to black hairy tongue. 5. Underlying medical conditions: Certain conditions, like diabetes or xerostomia (dry mouth), may also increase the risk of black hairy tongue. Next Steps: 1. Schedule an appointment with your dentist or primary care physician to have the condition evaluated. 2. Maintain excellent oral hygiene by gently brushing your tongue and using a tongue scraper to help remove the discolored papillae. 3. Avoid or minimize the use of any medications or substances that may be contributing to the condition. 4. Hydrate well and use a moisturizing mouthwash or saliva substitute if you have dry mouth. 5. Be patient, as black hairy tongue can take several weeks to resolve, even with proper treatment and management. In most cases, black hairy tongue is harmless and resolves on its own or with proper oral hygiene and lifestyle modifications. However, it is still important to have it evaluated by a healthcare professional to rule out any underlying medical conditions and ensure appropriate management.