It is normal to have a bad taste in the mouth occasionally and most time it can be removed by brushing your teeth. If, however, it is persistent it is best to visit a doctor to identify if there is an underlying issue causing the problem.
Your doctor may advise visiting a dentist or suggest the following:
– If medications or supplements are causing the bad taste, the dosage can be changed.
– If a medical condition is identified, it can be treated
– Home remedies can help relieve the problem.
“In some cases, home remedies can help to resolve a bad taste in the mouth. These should usually be used in conjunction with medical or dental treatment.”
Learn more about the causes and treatments of a bad taste in the mouth here https://www.medicalnewstoday.com/articles/321438.php