How long to take Nourishing Blood and Clearing the Brain Granules needs to be decided according to the patient’s condition, physique, etc. If there is no relief of symptoms after taking the medicine for 3 days, you should go to the hospital for consultation. Nourishing Blood and Clearing the Brain Granules is composed of Angelica sinensis, Rhizoma Ligustici Chuanxiong, Radix Paeoniae Alba, Radix Rehmanniae Praeparata, Rhizoma Gastrodiae Praeparata, Radix et Rhizoma Gastrodiae, Radix et Rhizoma Xia Ku Cao and Cassia Seed. It has the efficacy of nourishing blood and calming the liver (calming the liver wind by replenishing liver blood), and activating blood circulation. It is used for headache, vertigo and dizziness caused by blood deficiency and liver exuberance, irritability and insomnia. Adverse reactions: rash, itching, nausea, vomiting, abdominal distension, diarrhea, abdominal pain. Contraindicated in pregnant women. Contraindicated in patients with decompensated liver function. Allergic to this product and the ingredients contained in it is prohibited. If you need to use the drug, you should be identified by a doctor and follow the doctor’s instructions to regulate the treatment.