Drug therapy may be effective in the early stage, but the effect is limited and short-lasting, such as diazepam, baclofen, Antan, haloperidol and so on. It may play a role in reducing the degree of attack in the early stage, but the effect is not obvious in the middle and late stage.

Local injection of botulinum toxin is a simple, safe and effective method, which can relieve symptoms and improve the quality of life in a short time. One injection can last for 3 ~ 6 months, and multiple injections are easy to produce antibodies, which will reduce the therapeutic effect.