Antibiotics, Like Commonly Prescribed Azithromycin: Stomach pain, headache, vomiting, and liver damage are among the possible side effects. Some antibiotics, when mixed with alcohol can also cause sedation, dizziness, confusion.This dangerous mix could expose you to any number of risks. To know more about other common medicines that you should not mix with alcohol, visit our website www.jmlawyer.com. For more information, call 1-877-504-5562 or email at cis@jmlawyer.com.