Spastic Strabismus Botox cannot be administered for a year, and the effects of the medication can last for 3 to 6 months. Spasmodic trapezius injections of botulinum toxin can usually last up to 3~6 months, and after 6 months the injections need to be repeated depending on the patient’s condition. Botox is an anticholinesterase inhibitor that inhibits choline activity and muscle contraction, which improves the symptoms of spastic strabismus. The clinical symptoms of spasticity can be significantly improved by Botox injections, and the injections can be repeated after recurrence. The complete treatment requires surgical treatment for muscle detachment. When suffering from spasmodic cervix, you need to go to the Neurology Department of the hospital, under the guidance of the doctor to choose a reasonable treatment plan according to the patient’s condition.