Is there any harm in Nine Layer Towers?

Nine layers of pagoda are the aliases of orchid grass and basil respectively, and there is no authoritative information to document the harm of these two herbs.
1. Lanxiangcao is the whole grass of Verbenaceae plant Lanxiangcao, which is warm and pungent in nature, good at dispersing wind and relieving epidemiology, dispelling cold and removing dampness, relieving cough and dissipating blood stasis.
It is suitable for cold and fever, whooping cough, irregular menstruation, leucorrhea and leakage (excessive menstrual flow or dripping), post-partum stasis and pain, rheumatism and bone pain, eczema, itchy skin and other diseases, and is contraindicated in cases of Yin deficiency and internal heat.
2. Basil is the whole grass of basil, family Labiatae, which is warm and sweet and pungent, and is good at dispersing wind and relieving epidemiology, resolving dampness and neutralizing (eliminating dampness and regulating the spleen and stomach), promoting qi and activating blood circulation, and detoxifying and eliminating swellings.
It is suitable for colds and headaches, fever and cough, food stagnation (food indigestion and stagnation in the stomach), epigastric distension and pain (pain in the stomach and epigastric and abdominal distension), rheumatism and paralysis, bruises and sprains, eczema and other conditions, this medicine is used with caution in the deficiency of qi and blood dryness.
Although the harm of orchid herb and basil is not yet known, but the patient should not use the drug privately, if you need to use the drug, must be guided by a professional Chinese medicine practitioner.