Panic and palpitations may be caused by high blood pressure and atrial fibrillation. If it is caused by high blood pressure, you can generally follow the doctor’s instructions to take hydrochlorothiazide tablets and other antihypertensive drugs, and if it is atrial fibrillation, you can take propafenone hydrochloride tablets and so on. 1. Hypertension: When hypertensive patients are emotionally excited or nervous, it will lead to sympathetic nerve activation, which will speed up the heart rate, thus reducing the blood supply of coronary arteries and leading to the symptoms of panic and palpitations. Patients can take antihypertensive drugs such as hydrochlorothiazide tablets under the guidance of doctors. Hydrochlorothiazide tablets can reduce blood pressure by decreasing blood volume and relaxing the smooth muscle cells of blood vessels, thus relieving the symptoms of panic and palpitations. 2. Atrial fibrillation: The heartbeat of patients with atrial fibrillation loses its normal rhythm, indicating absolutely irregular heart rate and short pulse. As a result, patients may experience symptoms of panic palpitations, which can be relieved by taking medications such as propafenone hydrochloride tablets under the guidance of a doctor. Propafenone hydrochloride tablets have anti-arrhythmic effects, which can reduce or prevent the number of atrial fibrillation episodes in some patients with paroxysmal atrial fibrillation, and can also enable some patients with chronic atrial fibrillation to maintain sinus rhythm for a long time. Thus relieving the symptoms of panic and palpitations. It is recommended that patients need to take the drug under the guidance of a doctor, avoid taking it on their own. Timely medical examination, according to the specific situation, under the guidance of the doctor, symptomatic treatment.