Its primary function is to stimulate the motor centers and the reflex action of the spinal cord. Homeopathic to spasms of muscles, cramps from an undue reflex excitability of the cord, spasms of the bladder, etc. Strychnin stimulates the central nervous system, mental activities, special senses rendered more acute. Respiration increased. All reflexes are made more active. Stiffness in muscles and face and neck. Opisthotonos. Tetanic convulsions with opisthotonos. The muscles relax between paroxysms; worse slightest touch, sound, odor. Influences more directly the spinal cord and is less appropriate in visceral derangements than Nux. Tetanus. Explosive nervousness. The pains and sensations come suddenly and return at intervals.
Head
Restless. Over-irritability. Full and bursting headache, with heat in eyes. Vertigo, with roaring in ears. Jerking of head forwards. Scalp sore. Itching of scalp and nape.
Eyes
Hot, painful, protruding, staring. Pupils dilated. Sparks before eyes. Spasmodic contraction of ocular muscles; twitching and trembling of lids.
Ears
Hearing very acute; burning, itching, and roaring in ears.
Face
Pale, anxious, livid. Jaws stiffened; lower jaw spasmodically closed.
Throat
Dry, contracted; feeling of a lump. Deglutition impossible. Burning along and spasms of oesophagus. Violent itching in roof of mouth.
Stomach
Constant retching. Violent vomiting. Nausea of pregnancy.
Abdomen
Sharp pain in abdominal muscles, griping pain in bowels. Rectum: Feces discharged involuntarily during spasms. Very obstinate constipation.
Female
Desire for coitus (Canth; Camph; Fl ac; Lach; Phos; Plat). Any touch on body excites a voluptuous sensation.
Respiratory
Spasm of muscles about larynx. Excessive dyspnoea. Sharp, contractive pains in muscles of chest. Persistent cough, recurring after influenza.
Back
Rigitidy of cervical muscles. Sharp pain in nape and down spine. Back stiff; violent jerks in spinal column. Icy sensation down spine.
Extremities
Limbs stiff. Rheumatism with stiff joints. Violent jerking, twitching, and trembling. Tetanic convulsions and opisthotonos; spasms provoked by slightest touch and attempt to move. Shocks in the muscles. Cramp-like pains.
Fever
Cold chills down spine. Perspiration in a stream down head and chest. Lower extremities cold.
Skin
Itching of whole body, especially nose. Icy sensation down the spine.
Modalities
Worse, morning; touch; noise; motion; after meals. Better, lying on back. Compare Eucalyptus (neutralizes ill effects of Strychnin). Compare Strych ars (Paresis in the aged, relaxed musculature. Prostration. Psoriasis; chronic diarrhoea with paralytic symptoms; compensatory hypertrophy of heart with beginning fatty degeneration; marked dyspnoea when lying down; oedema of lower extremities, urine scanty, high specific gravity, heavily loaded with glucose. Diabetes. 6x trit). Compare Strychnin nit (2x and 3x. Said to remove craving for alcohol. Use for two weeks Compare Strychnin sulph (Gastric atony Compare Strych valerin (exhaustion of brain-power; women of high nervous erethism; 2x trit). Compare Compare: Cicuta; Arnica (tetanus Compare Strych et Ferr cit (chlorotic and paralytic conditions; dyspepsia, with vomiting of ingesta; 2x and 3x trit