All perfect praise be to Allah, the Lord of the worlds. I testify that there is none worthy of worship except Allah and that Muhammad is His slave and Messenger.
Allah has prescribed to His servants to seek medical treatment, as in the saying of the Prophet "O Worshipers of Allah! Seek medical treatment, for Allah has not made a disease without making a remedy for it, with the exception of one disease. They asked, 'O Messenger of Allah! What is it?' He replied, 'Old age." [Abu Daawood, At-Tirmithi, An-Nasaa’i, Ibn Maajah, and Al-Haakim - Ath-Thahabi, Al-Albaani and Al-Arna’oot classified it as saheeh (sound)]
As regards whether treatment with natural herbs is better than medical drugs, then one should consult specialists in medical matters in this regard.
Allah knows best.