Salvia miltiorrhiza has the effects of promoting blood circulation, regulating menstruation, removing blood stasis, relieving pain, cooling blood, eliminating carbuncle, clearing away heart fire, nourishing blood and calming the nerves.
Banlangen tastes bitter, cold, cool and nontoxic. Has the effects of clearing away heat and toxic materials and cooling blood. Due to the chemical composition of Radix Isatidis, it has antibacterial and antiviral effects on many bacteria. Therefore, Radix Isatidis is also used to treat influenza, meningitis, Japanese encephalitis, pneumonia, erysipelas, heat poisoning, vomiting, swelling of throat, parotitis, conjunctival congestion, sore, dark tongue, laryngitis, sore throat and rash. Can be used for preventing and treating diseases such as Japanese encephalitis, acute and chronic hepatitis, mumps, osteomyelitis, etc.
Banlangen is not a "holy medicine", but only strengthens the human body's own immunity to a certain extent.
Because Radix Isatidis has antiviral, heat-clearing and detoxicating effects, its side effects are very small. Taking Radix Isatidis during influenza can enhance its immunity and antiviral ability to some extent. When all aspects of human immunity are in a good state, it will be stronger than the general weak people in preventing and treating viruses. Therefore, Radix Isatidis is not the nemesis of influenza A (H 1N 1), it can only improve and strengthen human immunity.