For all types of prescription drugs it is always good to go for a physician examination , diagnosis, confirmation and taking a prescription. The drugs come with lots of side effects etc. Take care!
Yes you would need an antibiotic to clear up different types of fungus. But what makes you think you have fungus inside your body? What type of symptoms are you having? Did you seek medical advice to determine it is a fungus?
Anti fungal antibiotics: viz. amphotericin B, Flucanozole, Itraconazole etc depending on the type of fungus. Take care!