The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Because it is a herb specifically indicated to treat internal injuries as can be seen on Hibiscus Leaf's page.
Hibiscus Leaves is a Neutral herb that tastes Pungent. It targets the Liver and the Lung.
Its main actions are: Cools the Heat in the Blood. Relieves edema and expels pus. Stops pain. Clears the Lung Heat.
Because it is a herb specifically indicated to treat internal injuries as can be seen on Dragon's Blood's page.
Dragon's Blood is a Neutral herb that tastes Salty and Sweet. It targets the Heart and the Liver.
Its main actions are: Stops bleeding and promotes the healing of wounds Invigorates and removes Blood Stagnation. Alleviates pain.
Traumatic injuries Fractures Traumatic bleeding Wounds Ulcers Carbuncles Furuncles Sores Herpes zoster Conjunctivitis