The side effects of Compound Jujube Ren Capsules when taken for a long period of time include drowsiness, tremor of limbs and hyperactivity. Compound Jujube Ren Capsule is a proprietary Chinese medicine preparation, which is composed of sour jujube kernel, and levoflavone ethanol. It is effective in calming the heart and tranquilizing the mind, and can be used to treat a range of symptoms caused by restlessness of the heart and mind. The following side effects can occur with long-term use. 1. Drowsiness. 2. Symptoms of extravertebral system, such as tremor and hyperactivity of the limbs, decreased muscle tone. 3. Symptoms of the digestive system, such as nausea and vomiting, lack of desire to eat, poor appetite, etc. 4. Other symptoms. Such as dizziness, headache, chest tightness, panic, dyspnea and so on. Therefore, Compound Zaoren Capsules should be taken in strict accordance with the instructions for use and dosage to avoid side effects.