Prescription antibiotics such as penicillin have helped people to recover from otherwise fatal diseases and conditions since the 1940s however people are also turning to natural antibiotics . Herbal antibiotics natural alternatives for treating drug resistant bacteria buhner stephen harrod on amazoncom free shipping on qualifying offers herbal antibiotics natural alternatives for treating drug resistant bacteria. Here are the 5 most effective all natural antibiotics 1 oregano oil oregano oil is one of the most powerful antibacterial essential oils because it contains carvacrol and thymol two . Herbal antibiotics which have been used for thousands of years are garnering attention for their strong antibacterial properties and fewer side effects the pharmaceutical industry is recognizing the power of herbs by combining them synergistically with synthetic antibiotics creating phytopharmaceuticals that are more powerful than synthetic antibiotics alone . Herbal remedies have long been used to treat infections and viruses such as the common cold influenza fever and even herpes but one of the biggest problems with using these herbs in the us