| Antibiotic | Vaccine |
| An antibiotic is a compound or a substance that inhibits or kills the growth of bacteria. | Vaccine is a preparation that improves the immunity to a particular disease. |
| An antibiotic heals infection caused by small pox. | A vaccine prevents diseases like polio, bacteria. |
| Antibiotics are available in different forms like tablets, capsules, drops or ointments. | Vaccines can be given orally or through injection. |
| Antibiotics are taken after getting infected. | Vaccines are preventive method that is taken before getting infected. |
