The symptoms point to its use in rheumatism, dyspepsia, and Meniere's disease . Prostration after influenza; also tinnitus aurium and deafness. Hæmaturia.

Head

Vertigo; tendency to fall to left side. Headache; confusion in head on rising suddenly. Incipient coryza. Piercing pain in temples.

Eyes

Retinal hæmorrhage. Retinitis after influenza, also albuminuric.

Ears

Roaring and ringing in ears . Deafness, with vertigo.

Throat

Sore, red and swollen. Pharyngitis; swallowing difficult.

Stomach

Canker sores , with burning soreness and fetid breath. Flatulence; hot, sour belching . Putrid fermentation. Fermentative dyspepsia . Tongue purplish, leaden-colored; foul breath.

Stools

Putrid diarrhœa; gastro-intestinal derangements, especially in children; stools like green frog's spawn ( Magn carb ). Pruritus ani.

Extremities

Knees swollen and painful. Acute articular rheumatism; worse, touch and motion, profuse sweat. Pain shifts. Sciatica, burning pain; worse at night. Copious foot-sweat and ill affects where suppressed.

Skin

Itching vesicles and pustules; better by scratching. Sweat without sleep. Urticaria. Hot and burning skin. Purpura. Herpes zoster. Necrosis and softening of bones.

Relationship

Compare: Salol (rheumatic pain in joints, with soreness and stiffness, headache over eyes; urine violet-smelling); Colch; China; Lact ac . Spiræa and Gaultheria contain salicyl acid.

Dose

Third decimal trituration. In acute articular rheumatism, 5 grains every 3 hours (Old school dose).

Salicylicum Acidum