Does Radix Rehmanniae Pill hurt the liver and kidneys?

The toxicity of Radix Rehmanniae Pill to the liver and kidney is not clear, the specific use of medication as prescribed by the doctor, and is not recommended for patients with liver and renal insufficiency.
With the function and efficacy of warming the middle and strengthening the spleen, Radix Rehmanniae Pill is a proprietary Chinese medicine made of Radix Rehmanniae Pantotrichum, Radix Codonopsis Pantotrichum, Rhizoma Atractylodis Macrocephalae, Radix Glycyrrhizae Praeparata, Glycyrrhiza Uralensis, which can be used in the treatment of symptoms of spleen and stomach coldness, cold limbs and loose stools (loose and unshapely feces), vomiting and diarrhea, epigastric coldness and pain (cold and painful sensation of stomach, epigastric region, and stomach and abdomen), and lack of warmth in hands and feet.
The drug should be contraindicated in patients who are allergic to the product and needs to be used with caution in the group of pregnant women. The possible adverse reactions that may occur after taking the drug are not known, so it is not clear whether liver or kidney damage may occur after using the drug.
The specific use of the drug should be under the guidance of a specialist, and should not be used without authorization.