Depresses heart, respiration and blood pressure, lowers temperature.
Cyanosis and collapse. Increased susceptibility to cold. Destroys red blood corpuscles;
pallor.
Head.–
Enlarged sensation. Fainting. Moral depravity.
Eyes.–
Pallor of optic discs, contracted visual field and
shrinking retinal vessel; mydriasis.
Heart.–
Weak, irregular, with blue mucous membranes,
albuminuria, œdema of feet and ankles.
Relationship.–
Compare: Antipyrin.
Dose.–
Used as a sedative and antipyretic for various forms of
headache and neuralgia in doses of one to three grains. For the homeopathic indications use
the third potency.