Hi Dear, Understanding your concern. As per your query you have salty taste in mouth along with nausea and body ache. Symptoms can occur due to nerve impairment , dental infection , sinusitis or viral infection.These symptoms are something you need not to worry about. You can easily get rid of that by visiting dental surgeon once and cleanliness of oral cavity done. Take supplements rich in iron. Get a complete hemogram and blood indices done and visit general practitioner if symptoms are not dental related. Take oral re hydration solution for that. Take fruit, juices, lime . Dopmperidone or Enteric coated tablets will be helpful. Do warm saline rinses and maintain proper oral hygiene . Hope your concern has been resolved. Get Well Soon. Best Wishes, Dr. Harry Maheshwari