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Materia Medica Viva Volume 10 – page 2095

names, figures, and places; moreover he experienced strange antipathies against family members, and finally delusions of being surrounded by enemies or hideous animals. ‘Awoke at night strug- gling with imaginary foes’.
Some important guiding features: Crotalus tends to yellowness more than any other snake venom remedy. Haematogenous icterus will often be met by this remedy. ‘Yellow colour of the whole body’. The liver is very often severely affected in this remedy; with this affinity, there is a marked tendency to right-sidedness of the symptoms, so contrary to the left-sidedness of Lachesis. Hering was the first to remark this in his Effects of the Snake Poison: ‘Among its few symptoms, Crotalus still has a strong majority on the right side’. And Chaffee adds: ‘Great sensitiveness of skin of right half of body, so much so that the slightest touch would produce twitching of muscles of that side’.
Besides the yellowness, there are also signs of cyanosis, especially cyanosis of the remote extremities. A bluish-red tip of the nose is very striking; and often there is a marbled skin.
Crotalus is often indicated in cases of ill effects of excessive alcohol drinking. ‘Delirium tremens, nearly constant drowsiness, but with inability to sleep; trembling; numbness of extremities; broken- down constitution’.
In addition, the remedy causes and cures intense oedematous swellings. ‘Swelling of the whole body’. ‘Oedematous swelling of the whole body, especially of the head, after having been bitten into the foot’.
As described above, an important characteristic is that the skin will be generally cold and dry even if there is redness and heat of the affected part (even this usually tends to be cold, however) whereas Lachesis tends to be cold and damp.