Interactions between famotidine and alcohol have not been observed. However, drinking alcohol can worsen heartburn, ulcers, and GERD symptoms and it is, therefore, best avoided.
Alcohol can worsen heartburn, ulcers, and GERD symptoms.
Famotidine has little effect on blood alcohol level, so it is fine to drink alcohol in moderation while taking famotidine. However, alcohol can worsen symptoms and it is, therefore, recommended that you avoid it altogether.