Volitin is generally not to be taken for a long period of time, and the generic name of Volitin is to do with lecithin complex iodine tablets, which are used to treat eye diseases. Generally, lecithin complex iodine tablets are used to treat eye diseases such as vitreous hemorrhage, retinitis, and retinopathy. When taking lecithin complex iodine tablets, allergy or gastrointestinal discomfort may occur, and in serious cases, it may cause damage to liver and kidney functions, and drug resistance may occur with long-term use. So usually lecithin complex iodine tablets can not be taken for a long time. It is recommended that patients who are allergic to iodine are prohibited from taking the drug, and pregnant women, people with a history of allergy, the elderly and children, etc., need to follow the doctor’s instructions before use, to exclude contraindications to the use of medication, can not be taken on their own, and if there are adverse effects need to consult a doctor in a timely manner.