Definition: It is the temporary loss of consciousness to full wakefulness. Aetiopathology: In persons who are emaciated, who have an excess of doshas and who take incompatible diet, particularly in those who are mentally weak, doshas aggravated by the suppression of the natural evacuatory urges and trauma involve the sensory apparatus, both external and internal and lead to fainting. When the sensory pathways het blocked by vayu and other doshas, there is a sudden increase in tamoguna which leads to a loss of the mental perception for pleasure or pain. As a result of the absence of the perception, he falls unconsciously. This condition is called moha or moorchha. Types: Although they are of six types, three due to doshas, others due to blood, alcoholism and poisoning. Pitta dosh predominates in all of them. Prodromal Features: Precordial pain, yawning, fatigue and diminished sensory perception are the prodromal features in all types of fainting. However, the diagnosis of individual types has to be done on the basis of their specific clinical features. Clinical Features:
- Vaataj Fainting: If a person sees the sky as blue, black or red and then loses consciousness, but regains it soon, gets tremors, bodyache, precordial pain, emaciation and a blackish or reddish appearance, he should be considered to have vaataj moorchha.
- Pittaj Fainting: In a case of pittaj fainting, the patient sees the sky as red, green or yellow as he passes into a state of darkness. He wakes up with perspiration, thirst, fever and with reddish or yellowish eyes having an anxious look. As soon as the fits start, he falls down but comes back to senses soon. He gets loose motions and appears pale later on.
- Kaphaj Fainting: In kaphaj moorchha, the person sees the sky like clouds themselves or else as if it is covered with dark dense clouds and then he faints; He regains his consciousness very late and feels his body parts heavy and as if covered with moist leather; he also gets salivation and nausea.
- Sannipaataj Fainting: Features of vitiation of all the three doshas are found in a case of sannipaataj fainting and it is like an epileptic fit in onset. It also makes the patient fall down suddenly but without the hideous manifestations as froth from the angles of the mouth, cutting of the tongue, rolling of the eyes etc.
- Fainting due to seeing blood i.e. due to neurogenic shock: Earth and water have a predominance of tamo guna; the odour of the blood partakes of the same. Therefore, some persons faint just by perceiving the smell of blood while others do so by seeing it. In case of raktaj moorchha, the limbs become stiff, the eyes are fixed and the respiration becomes deep.
- Fainting due to alcoholism and poisons: Poisons and wine possess strong and sharp properties, hence they produce fainting due to their specific properties. The patient in this case becomes delirious, remains lying unconscious and flings his limbs till the alcohol gets metabolized.
In case of fainting due to poison, there is trembling, sleepliness, excessive thirst and unconsciousness. However, more symptoms may appear specific to the respective poisons concerned.