Loss of salt taste after taking Voglibose is uncommon but can be concerning. Here are some key points to consider:

1. Voglibose and Taste Changes:
   Voglibose is primarily used to control blood sugar and is not commonly associated with taste disturbances. However, medications can sometimes cause unusual side effects.

2. Possible Causes:
   Loss of salt taste might be due to temporary changes in your taste buds, dry mouth, or other factors unrelated to the medication.

3. When to Seek Help:
   If the taste loss persists, worsens, or is accompanied by other symptoms like mouth sores, swelling, or difficulty swallowing, consult your healthcare provider.

4. Other Considerations:
   Ensure you are well-hydrated and maintain good oral hygiene, as these can affect taste perception.

If you are concerned, it’s best to discuss this symptom with your doctor to rule out other causes and to confirm whether Voglibose might be contributing to this change. They may adjust your medication or investigate further if needed.