Salvia miltiorrhiza and ligustrazine injection is made from purpurin and ligustrazine. It has the effects of lowering blood lipids, anticoagulation, and regulating vascular contraction. Salvia miltiorrhiza and ligustrazine injection should be used according to the method of intravenous drip. The intravenous drip of Salvia miltiorrhiza and ligustrazine injection has the following benefits:

1. After intravenous drip of Salvia miltiorrhiza and ligustrazine injection, the drug is completely absorbed and distributed throughout the body, mainly distributed in the heart, brain, lungs, liver, gallbladder, spleen, colon, and kidney, among which the drug concentration is the highest in rich blood tissues such as the heart, brain, lungs, and liver, and can quickly pass through the blood-brain barrier, long-lasting in brain tissue.

2. The drug is eliminated quickly. The drug is mainly eliminated through biotransformation, most of which are excreted from the urine through kidney function, and a very small amount from feces. When the body is in a pathological condition, it can significantly reduce the distribution speed and total clearance rate of the drug, increase the half-life of the drug, and significantly increase the dissolution degree.

Although Salvia miltiorrhiza and ligustrazine injection has very good efficacy, there may still be side effects such as rash in patients. However, compared with other drugs, the side effects are relatively small. Patients should pay attention to the following matters throughout the process of using Salvia miltiorrhiza and ligustrazine injection to prevent the occurrence of side effects.

1. The infusion rate of intravenous drip should not be too fast.

2. Children and elderly patients should take the medicine according to the dosage for children and the elderly.

3. Diabetic patients should use Salvia miltiorrhiza and ligustrazine injection with caution.

4. Patients with cerebral hemorrhage or bleeding tendency are not suitable for Salvia miltiorrhiza and ligustrazine injection.

5. Salvia miltiorrhiza and ligustrazine injection should not be used together with alkaline injections.

6. If Salvia miltiorrhiza and ligustrazine injection has crystallization, it can be dissolved by adding warm water to melt it.

7. It is prohibited for pregnant women to use Salvia miltiorrhiza and ligustrazine injection.

Salvia miltiorrhiza and ligustrazine injection is used for occlusive cerebrovascular diseases such as incomplete cerebral blood supply, cerebral thrombosis, cerebral embolism, and other cerebral ischemic cardiovascular diseases, such as chest tightness and shortness of breath, angina, myocardial infarction, cerebral ischemic stroke, venous thrombosis and occlusive phlebitis, and other symptoms.