Apocynum venetum leaf is also called wild tea. Usually, many people like to drink water instead of tea. It is a good health tea for middle-aged and elderly people. The pharmacological action of Apocynum venetum leaves can calm the liver and latent Yang, calm the mind, clear away heat and promote diuresis, relieve cough and phlegm, moisten the intestines and relieve constipation, and can treat dizziness and tinnitus caused by hyperactivity of liver yang. Clinically, Apocynum venetum leaves can be used to treat hypertension and neurasthenia. Patients with hypertension can drink Apocynum venetum leaves with water instead of tea for a long time, which can play a very good role in stabilizing blood pressure. Modern medical research shows that Apocynum venetum has the effects of sedation, anticonvulsion, clearing free radicals in blood vessels, softening blood vessels and lowering blood lipids. The main functions are as follows:
1. It can be used for dizziness, dizziness, palpitation and insomnia caused by hyperactivity of liver Yang and inflammation of liver fire;
2. Heat clearing and diuresis, which can be used to treat adverse urination and edema caused by damp heat infusion;
3. It is found that Apocynum venetum leaves have good effects of lowering blood fat, lowering blood pressure and slowing down heart rate. Patients with hypertension, hyperlipidemia and tachycardia are suitable to make tea with Apocynum venetum;
4. The drug also has certain analgesic and anticonvulsant effects.It should be noted that patients are advised to use Apocynum venetum under the guidance of traditional Chinese medicine doctors. Although the drug is not marked with toxicity, it may cause gastrointestinal symptoms and rashes, and should not be used in large quantities and for a long time.