What are the side effects and contraindications of hematopoietic tablets?

The side effects of Haematopoietic Tablets include occasional epigastric discomfort, nausea, skin rash and other symptoms; contraindications are currently unknown or not found in the current literature.
Hematopoietic Tablets is a proprietary Chinese medicine, mainly composed of silkworm sand extract. This product has the effect of benefiting qi and tonifying blood. It is suitable for iron deficiency anemia caused by qi deficiency and blood deficiency, such as yellowish or pale skin, weakness, tinnitus, shortness of breath and weak pulse.
A few patients can see epigastric discomfort and nausea after using the drug; individual patients have increased stool frequency and skin rash. In addition, there are individual patients with neutrophil abnormalities after use of the drug, failed to confirm that it is related to the use of this product. Contraindications are still unclear. During the period of taking the drug, attention should be paid to review the blood routine, serum iron and other related biochemical indicators to guide the treatment.
This drug should be used under the guidance of traditional Chinese medicine practitioners, if the symptoms do not improve after using this product, please go to a regular hospital in a timely manner, complete the relevant examinations to clarify the diagnosis and standardize the treatment, so as to avoid delaying the condition.