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Drugs affecting neurotransmitter synthesis can impact the adrenergic neuron and the synthesis of neurotransmitters. For example, α-methyltyrosine and carbidopa target specific enzymes involved in catecholamine synthesis. α-methyltyrosine inhibits the enzyme tyrosine hydroxylase, which converts tyrosine into dopamine. By blocking this enzyme, α-methyltyrosine reduces dopamine production and other catecholamines. Carbidopa, on the other hand, inhibits the enzyme dopa decarboxylase,...
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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
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Related Experiment Video

Updated: May 5, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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[Basic knowledge about Kampo for neurologists].

Shin-Ichi Muramatsu1

  • 1Divisions of Neurology and Oriental Medicine, Jichi Medical University.

Rinsho Shinkeigaku = Clinical Neurology
|December 3, 2013
PubMed
Summary

Kampo, a traditional Japanese herbal medicine, offers generally safe treatments compared to Western medicine. Understanding its core principles can enhance therapeutic efficacy for common neurological symptoms like headache and dizziness.

Area of Science:

  • Integrative and Complementary Medicine
  • Pharmacology
  • Traditional Japanese Medicine

Background:

  • Kampo medicine, originating in Japan, primarily utilizes plant-derived crude drugs in its formulations.
  • Modern Kampo medicine increasingly uses standardized extract products over traditional decoctions for consistent quality.
  • While generally safe, Kampo medicines can cause side effects such as pseudoaldosteronism and liver damage.

Purpose of the Study:

  • To explore the pharmacological analysis challenges of Kampo formulations.
  • To investigate the basis of Kampo formula selection in clinical practice.
  • To highlight the importance of understanding traditional Kampo concepts for improved therapeutic outcomes.

Main Methods:

  • Review of classical Kampo writings and empirical clinical rules.

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  • Analysis of pharmacological complexities in Kampo interactions.
  • Correlation of traditional Kampo principles with modern clinical application.

    • Main Results:

    • Kampo formula selection is often based on empirical rules rather than direct pathological recognition.
    • Ancient Kampo theories may not always align with current clinical practice.
    • Understanding core Kampo concepts like ki, ketsu, sui, and yin-yang can refine formula selection.

    Conclusions:

    • Kampo formulations are frequently indicated for neurological symptoms like headache, dizziness, and numbness.
    • Enhanced understanding of traditional Kampo principles can optimize formula selection and therapeutic efficacy.
    • Integrating foundational Kampo concepts is crucial for appropriate and effective patient treatment.