Acidity, stomach pain, and a tasteless mouth are often linked to problems like excess stomach acid or irritation of the stomach lining, commonly seen in conditions such as gastritis or Gastroesophageal Reflux Disease. These can be triggered by irregular meals, spicy or oily food, stress, smoking, alcohol, or long-term use of certain painkillers. The tasteless feeling in the mouth can happen when acid repeatedly comes up into the food pipe and mouth, affecting taste. In most cases, this can be managed with simple steps like eating meals on time, avoiding very spicy or heavy food, not lying down immediately after eating, and reducing tea, coffee, and alcohol. Doctors often prescribe medicines such as antacids to reduce acid and allow healing. However, if your symptoms are frequent, severe, or not improving, or if you notice warning signs like weight loss, vomiting, or difficulty swallowing, you should consult a doctor for proper evaluation and treatment.