The generic name of Elavil is multivitamin tablets, which are not suitable for people who do not suffer from diseases such as vitamin Demia and vitamin Aemia, and multivitamin tablets are not suitable for people who are allergic to medicines. Multivitamin tablets can replenish the vitamins, trace elements and minerals needed by the organism, and multivitamin tablets can be taken during pregnancy to prevent anemia caused by folic acid deficiency and iron deficiency. If the patient has vitamin D anemia, vitamin A anemia, iron accumulation, hypercalcemia, high urinary calcium, iron utilization disorders, renal function impairment and other lesions are not suitable for taking multivitamin tablets. In addition, those who are allergic to the ingredients in multivitamin tablets are not suitable for multivitamin tablets. It is recommended that patients can take multivitamin tablets under the guidance of a pharmacist or in accordance with the instructions, and cannot adjust the dosage of the drug without authorization. If the patient is allergic to the drug or hypercalcemia occurs to avoid taking multivitamin tablets. Because multivitamin tablets contain iron, some patients may have black feces after using the drug, this is a normal phenomenon, do not need to worry.