Yes. Some adults have reported tooth staining after taking the antibiotic. The medication can mix with saliva, forming dark spots on teeth. The difference is that tooth stains in adults aren't permanent.

Can antibiotics cause tooth discoloration?

Medications. The antibiotics tetracycline and doxycycline are known to discolor teeth when given to children whose teeth are still developing (before age 8). Mouth rinses and washes containing chlorhexidine and cetylpyridinium chloride can also stain teeth.

How do you get rid of antibiotic stains on teeth?

TEETH WHITENING

Since tetracycline stains tend to be dark and deep within the tooth, you will likely need a high concentration of bleaching agent to produce results. If you have tetracycline stains, in-office teeth whitening with a high concentration of peroxide can significantly lighten your teeth.