Can Taking Antibiotics Cause a Persistent Bitter Taste in the Mouth?

Can Taking Antibiotics Cause a Persistent Bitter Taste in the Mouth?

1. Introduction Yes, taking antibiotics can cause a persistent bitter or metallic taste in the mouth, a sensory distortion medically known as dysgeusia. This unpleasant side effect primarily occurs because specific antibiotics, particularly macrolides and fluoroquinolones, are actively excreted from the bloodstream directly into the saliva. Because the saliva constantly bathes the tongue, the taste … Read more