Metrogyl has active ingredient as metronidazole which is metallic in taste & hence quite unpleasant. Apply the gel for a small period of time say for 5 minutes & then rinse with a pleasantly flavoured mouthwash to get the bitterness out.make sure you are using the gel which is prescribed for oral use only.Rexidin-m gel is a good option to choose
Next Steps
if the problem still persists,visit your dentist
Answered2017-02-14 13:12:02
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