Why toe nail fungal infections are difficult to eradicate?

thanks for answeringWhy toe nail fungal infections are difficult to eradicate?
Their location. For oral meds, it's hard to get enough medicine down the toe %26amp; into the nail to kill the infections. Some of the meds are good, others can have unpleasant side effects.





Local treatments are somewhat better. One, an Rx product ';PenLac'; (I think) isn't as effective as the ads state.