back Amylenum Nitrosum

Synonym. - Nitrite of Amyl.

Preparation. - Dilutions made with alcohol.

 

Acts powerfully upon the motor centers of the spinal cord, producing rapid dilatation of the arterioles in the head and throughout the body, allowing a transient passive congestion (Glonoine, active forcible) of the cerebral vessels, the respiratory and circulatory organs gathering up and exerting their forces in a violent manner, the respiration being deep, labored and rapid, and the action of the heart extremely violent.  The administration of the drug being persisted in, the impulse of the heart grows rapidly weaker, until its power is more or less nearly extinguished, and death soon results from failure of res- piration. Its action is rapid and evanescent.

 

Mind.- Anxiety, as if something might happen; must have fresh air.

Head.- Headache worse on left side. Heat and throbbing in the head, with feeling of intense fullness in the head. Beating, throbbing , bursting sensation in the head and ears, with constriction of the throat and heart (Bell., Hyos., Stram.).  Visible pulsating throbbing in the temples (Glon.), with sense of tension in the temples. Sensation of something rushing upward, and throbbing in the vertex.

Eyes.- oProtruding, staring eyes (Bell., Hyos., Op.). Exophthalmic goitre. Veins of the disc (under ophthalmoscope) enlarged, varicose, and tortuous ; arteries normal.

Ears. - Much throbbing in the ears.

Face.- Flushing of the face; face scarlet, afterward paler than usual (Glon.).  Flushing of the face, followed by turgidity of the facial veins.  Great heat and redness of the face, with sensation as though the blood would start through the skin (Bell.).

Throat.- Choking feeling in throat on each side of the trachea along the carotids (Bell., Stram.), The collar seemed too tight with desire to loosen it.

Respiratory Organs. - The feeling of constriction in throat extends to the chest, producing dyspnoea and asthmatic feeling in larynx and trachea, ivith desire to eructate.

Heart and Pulse. - Great-precordial anxiety. The beating of the heart and carotids, in some persons very marked (Acon., Bell., Verat. vir.).  Great cardiac oppression and tumultuous heart action (Acon.).  Aching pain and constriction around the heart (Cact., Lil.).  Pulse variable, irregular, jerking.  oAngina pectoris, with great agony.

Extremities. - Tired feeling of limbs.  Tremulousness of hands.

Generalities. - General relaxed weak feeling over the whole body.  Perspiration often general.

Compare. - Acon., Bell., Cact., Glon.

 

THERAPEUTICS. Amyl is a valuable remedy in the treatment of functional cardiac disturbances, especially where the vaso motor nerves are paralyzed and the face becomes flushed, and even red and puffed, together with tumultuous heart action and other cardiac symptoms above described. It is also a valuable palliative in hypertrophy of the heart, with insufficiency of the aortic valves and in angina pectoris, asthma, syncope, and other conditions characterized by cardiac oppression, tumultuous action of the heart and violent pulsations in carotids.  Similar symptoms may indicate the drug in sun-stroke and in violent neuralgic headaches. Menstrual irregularities, uterine haemorrhages, etc., especially at the climacteric, with flushing of the face (Sang.) and headache. Also with hysterical symptoms. Will relieve spasmodic coughs with threatened suffocation.  Dyspnoea of Bright's disease. Has relieved epileptiform convulsions and tetanus.


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