Ejiao is used for nourishing yin and blood, and Astragalus is used for invigorating qi. At the same time, eating too much together can easily lead to excessive internal heat, which may be the reason for your redness.

Guiding opinions:

Colla Corii Asini, Radix Astragali and Fructus Lycii have limited improvement on iron deficiency anemia, and the key to anemia lies in iron supplementation. You can take Tiezhiyuan tablets, a blood-enriching iron agent containing Ejiao, which can supplement iron and blood, without causing excessive qi and blood, and has a good effect on improving iron deficiency anemia. Usually, you need to increase your diet and eat more foods such as pig liver, animal blood, beans, eggs, red dates, minced meat and green leafy vegetables. In addition, vitamin C is beneficial to the absorption of iron, so you can drink some fruit juice and the like. I hope you get well soon.