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Botulinum toxin therapy in neurology

*Toxinum botulinum*

Botulinum toxin therapy is a modern method for the pharmacological management of focal spasticity using botulinum toxin type A injections. The approach is used as part of comprehensive rehabilitation in adult patients to reduce muscle tone.

DrugBoNT injections (botulinum toxin type A-hemagglutinin complex)
IndicationsFocal lower limb muscle spasticity in adults
Prescription criterionSpasticity severity ≥ 2 points on the modified Ashworth scale
ScopeMedical rehabilitation (phase 3, outpatient and day patient settings)
2 min readFor medical studentsUpdated 10.10.2026
Material prepared by WhiteCoat Pro editorial team based on platform study guidesPending instructor review

Method and drug overview

The method is based on the local administration of medications containing botulinum toxin to relax overactive muscles.

  • Main active substance: BoNT injections (botulinum toxin type A-hemagglutinin complex).
  • Main objective: targeted reduction of pathological muscle tone.
  • Target population: adult patients presenting with focal lower limb muscle spasticity.

Prescription criteria and rating scales

The prescription of botulinum toxin therapy requires strict adherence to clinical criteria and patient assessment:

  1. Tone assessment: spasticity severity must be ≥ 2 points on the modified Ashworth scale.
  2. General status: during the outpatient rehabilitation phase, the patient must be independent in basic activities of daily living—self-care, mobility, and communication (use of assistive devices is permitted).
  3. Comprehensive approach: the procedure is integrated into the general program for restoring motor function and balance.
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Role in the rehabilitation process

The use of botulinum toxin therapy is seamlessly integrated into the phased medical care system:

  • Outpatient phase (Phase 3): performed in a day hospital or polyclinic setting, provided the patient has sufficient independence.
  • Continuity of care: telemedicine technologies are actively utilized to bridge the inpatient and outpatient phases, which is especially valuable for residents of remote areas.
  • Combined modalities: pharmacological muscle relaxation is supplemented with physical therapy, massage, local cryotherapy, and nutritional support.
How to memorize

Lower limb botulinum toxin therapy: from 2 points on the Ashworth scale — BoNT injected into the muscle!

Class and exam questions

Which drug is used for botulinum toxin therapy in this protocol?

BoNT injections are used, represented by the botulinum toxin type A-hemagglutinin complex.

What are the main indications for prescribing the method in adults?

The method is indicated for adult patients with focal lower limb muscle spasticity.

What is the minimum Ashworth scale score required to perform the injections?

Spasticity severity must be at least 2 points on the modified Ashworth scale.

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