Neomycin and alcohol?

Short answer: there isn’t a clinically significant interaction between neomycin and alcohol.

Details:
- If you’re using topical neomycin (e.g., cream or ointment) or ear/eye drops: alcohol should not affect the medicine, and there’s little to no systemic absorption.
- If you’re taking oral neomycin: absorption is minimal, and there’s no well-established interaction with alcohol. Still, alcohol can irritate the gut and, if you’re dehydrated or have kidney issues, could influence overall kidney function.

Important cautions:
- Neomycin can affect the kidneys and ears at higher doses or with other nephrotoxic/ototoxic drugs. Alcohol use can contribute to dehydration, which may compound risks in some people.
- If you have kidney disease, liver disease, are taking other interacting medicines, or were told to avoid alcohol for a different reason, follow your clinician’s guidance.

If you have a specific product (brand/name) or a particular condition, tell me and I can tailor the answer. Or tell me how you’re taking neomycin (topical, oral, etc.) and I can be more precise.