There are differences between Artemisia annua and Herba Armeniae in terms of efficacy and contraindications.
Different efficacy: Artemisia annua has the effect of clearing and penetrating the deficiency heat, cooling the blood and removing the steam (using the method of clearing heat and cooling the blood to eliminate the heat from the bone to the outside of the penetration of the heat), etc., the main treatment of warm evil injury to the yin, the night and morning heat, yin fever, labor fever, bone vapor, etc.; Yin Chen has the effect of clearing dampness-heat, choleretic yellowing (clearing bile ducts of the evil qi and eliminating jaundice), the main treatment of jaundice and urination, itching of wet sores, etc..
Contraindications are different: chronic gastritis and chronic diarrhea caused by spleen and stomach deficiency (spleen and stomach weakness and cold) are forbidden to take Artemisia absinthium; blood accumulation and yellowing and blood deficiency and yellowing are cautious to use Yin Chen.
If you feel unwell, it is recommended that you consult a doctor promptly. If medication is needed, it should be diagnosed by a doctor and standardized treatment should be prescribed by a doctor.