Tuesday 30 December 2014

Classification of Drugs acting on central and peripheral nervous system

ANTI-PSYCHOTIC DRUGS

Anti-psychotics are used in used different clinical diseases such as schizophrenia, schizoaffective disorder,bipolar disorder, psychotic disorder, insomnia, dementia.

  • Classification based on Generations (1st, 2nd)




  • Classification based on typical and atypical type of anti-psychotic:

Mechanism of anti-psychotic Drugs:


  • General mechanism:




  • Some important mechanism of anti-psychotic drugs :

    Monday 1 December 2014

    IMPORTANT TABLE OF PHARMACOGNOSY

    Calcium oxalate crystals shape and examples of sources:

    Type of Calcium oxalate crystals
    Examples
    Prism/Single crystals
    Quillaia bark, liquorice, quassia wood, hyocyamus, clove stalk, senna, cascara, rauwolfia, kurchi, coca
    Cluster Crystals
    Senna leaf, Stramonium leaf, rhubarb, clove, wild cherry bark
    Rosette crystals
    Rhubarb, umbelliferous fruits(coriander, fennel, anise, celery)
    Acicular Crystals/ Raphides
    Single Acicular – Gentian root, cinnamon bark, gentian
    Bundle of acicular – squill , ipecac root
    Micro Crystals/ Crystals sand/ Micro sphenoid
    Cinchona, belladonna leaf
    Absent
    Digitalis and aloe


    Different shape of  calcium oxalate crystals
    Actual crystals under microscope