If it persists try a lick from a dog. Quite biblical and holistic. For arthritis make a poultice with wonder of the world and soft candle. For tetanus use cobwebs, or if you like hot soft candle and lime. For all sorts of headaches - rosemary, bayleaf, coconut oil, and don't forget to tie your head tight, tight, tight.
Tie head helps in most ailments.
Depression, epileptic fits, hallucinations and schizophrenia are not cured by herbal remedies. For these it is advisable to get someone expert in devil possession or to keep a little holy water and an open scissors at hand. There are some banal musts. If ist still does not work, don't worry. It did not work in the Middle Ages.