Post-stroke sequelae and stenosis can take nicergoline and betahistine hydrochloride. Patients with post-stroke sequelae and vascular stenosis can take nicergoline and betahistine hydrochloride. Because Nicergoline can be used for acute and chronic vascular or metabolic cerebral insufficiency and other diseases, and Betahistine Hydrochloride is used for cerebral arteriosclerosis and other diseases, which can relieve the symptoms of patients after taking. Some patients will experience adverse reactions such as stomach upset and insomnia after taking Nicergoline, and will experience discomfort such as dry mouth, stomach upset and palpitations after taking Betahistine Hydrochloride. It is contraindicated for those who are allergic to Nicergoline and Betahistine Hydrochloride to prevent allergic symptoms such as generalized itching and skin rashes. Nicergoline and betahistine hydrochloride can be used for post-stroke sequelae and vascular stenosis and other diseases, patients should follow the doctor’s instructions to use the drug, should not blindly use the drug.