Radix Rehmanniae Pill is not generally used to treat heart failure, and the drug targets conditions such as abdominal pain and diarrhea caused by spleen yang deficiency.
Common types of heart failure in Chinese medicine include qi deficiency and blood stasis, qi and yin deficiency, and yang deficiency and water flooding (yang qi deficiency that causes obstacles to the flow of water and fluids in the body).
Commonly used drugs are mainly those that benefit qi and blood circulation, nourish qi and yin, or warm yang and promote water circulation, such as Baoyuan Tang, Xuefu yuyu Tang, Shengmanshan, and Dabanemerosa Dazao Lung Laxative Tang, etc. The medicines used in heart failure are mainly those that benefit qi and blood circulation, nourish qi and yin, or warm yang and benefit water circulation.
On the other hand, the Pill is mainly for diseases of the spleen and stomach, and focuses on warming and tonifying spleen yang, with five ingredients, including Pseudostemonopsis, Codonopsis, Atractylodes Macrocephalae, Dry Ginger, and Glycyrrhiza Uralensis.
It treats symptoms such as abdominal pain, diarrhea and loose stools caused by spleen yang deficiency. The adverse effects and contraindications of the drug are not clear.
It is recommended to consult a doctor for specific diagnosis and medication, and not to take it on your own.