Botox Injections for Various Clinical Indications

Ophthalmologic Applications

The American Academy of Ophthalmology recommends targeting the medial rectus and lateral rectus muscles for horizontal strabismus (esotropia and exotropia) 1, 2
Botulinum toxin induces temporary weakness by blocking the neuromuscular junction, allowing motor and sensory adaptations in patients with strabismus 1
The inferior oblique muscle may be targeted in V-pattern esotropia cases, according to the American Academy of Ophthalmology 1
The technique requires careful injection to avoid complications including ptosis, vertical deviations, globe perforation, and tonic pupil in patients with strabismus 1

The American Stroke Association recommends injecting the pectoralis major muscle for shoulder spasticity and associated pain in hemiplegic patients 3
The subscapularis muscle is targeted for painful hemiplegic shoulders, though evidence shows variable efficacy, as reported by the American Heart Association 3
The biceps brachii muscle receives injections to reduce shoulder pain with movement in patients with spasticity 3
The infraspinatus muscle may be injected in combination with other shoulder muscles for spasticity management, according to the American Academy of Physical Medicine and Rehabilitation 3
Botulinum toxin is effective for focal spasticity depending on patient characteristics, with doses typically ranging from 100 to 300 IU based on predetermined dosing diagrams, as recommended by the American Academy of Neurology 4
The treatment targets velocity-dependent increases in muscle tone and exaggerated reflexes in patients with spasticity 4

The American Academy of Ophthalmology notes that risks include ptosis, vertical deviations, globe perforation, and tonic pupil for strabismus applications 1
Dysphagia and aspiration risk are serious concerns, particularly in patients with pre-existing neuromuscular disorders, requiring monitoring of respiratory function, as reported by the American Thoracic Society 5