What Causes a Metallic Taste in the Mouth?
A metallic taste in the mouth can indicate an underlying condition, such as an infection, cancer, or autoimmune disease. Most cases of metallic taste are minor and will resolve on their own over time or when good oral habits are restored. Good oral hygiene is essential for preventing the metallic taste from returning and avoiding decay or potential new cavities. Common causes of Metallic taste in mouth Medications A medication is frequently blamed for an unpleasant metallic taste in your mouth. Many drugs of this type, particularly antibiotics, antidepressants, and antihistamines, can cause taste changes. This occurs because medications can be excreted through saliva, directly affecting taste buds, or they can interact with the central nervous system, altering taste sensations. Medications that frequently cause this side effect include: Antibiotics include metronidazole and tetracycline. Claritin and Benadryl are examples of antihistamine medications used to treat allergies...