Nitricum Acidum nit-ac.

Weak memory, aversion to mental exertion.
Taciturn.
Sadness, despondency.
Anxious about his diseases, with fear of death; fear of cholera.
Vindicative; attacks of rage, with curses and maledictions.
Nervous, excitable, especially after abuse of mercury.

Felt dizzy, dull, stupid.
Vertigo, morning, must lie down.
Congestion to head, with much heat in it.

Head sensitive to rattling of wagons over paved streets, or to stepping hard.
Pressing from without; tension extending to eyes, with nausea; worse from noise; better on lying down or from carriage riding.
Stitches in head, compelling one to lie down; disturbing sleep.
Piercing in temples.
Violent throbbing, hammering on left side of head, coming gradually, towards morning, and going off about breakfast time.

Pain in skull, with sensation as if constricted by a tape; worse evening and night better from cold air and while riding in a carriage.
Head very sensitive, even to pressure of the hat; worse in the evening and on part lain on.
Head feels hot.
Inflammatory swelling on scalp, suppurating or becoming carious worse from external pressure, or when lying thereon.
Red pimples, some brownish, on anterior border of hair and on temples.
Humid, stinging eruption on vertex and temples, down also to whiskers; bleeding easily when scratched, and feeling very sore when lain on.
Single, burning, moist sores on scalp. θ Syphilis.
Hair falls off, with humid eruptions, paining as from splinters; or, when touched; nervous headaches, debility and emaciation.

Black spots before the eyes.
Very sensitive to light.
Double vision; shortsightedness.
Pupils dilated and dim.
Eyes inflamed; after syphilis or abuse of mercury.
Iritis, which continually relapses; also old cases spoiled by mercury.
Pressure and stinging in the eyes.
Spots on the cornea.
Staphyloma, as a preventive.
Eyes dim, sunken.
Region of eyes painful, sore to the touch.
Herpetic pannus.
Eyelids swollen, hard, livid.
Paralysis of upper lids.
Fistula lachrymalis.
Flow of irritating tears, after injury of the eye.
Dermoid swellings of the eyes.

One's speech echoes in the ears.
Beating, humming in the ears.
Cracking in the ears when masticating.
Hardness of hearing, from induration and swelling of tonsils; after abuse of mercury.
Eustachian tubes obstructed.
Terribly offensive, purulent otorrhœa.
Throbbing in the ear.
Auditory canal nearly closed.
Caries of mastoid process.

Disagreeable smell on inhaling air.
Nosebleed, mornings; black, clotted; also when weeping; blood acrid.
Sneezing during sleep.
Nose obstructed with dry coryza, or with dropping of water; wings of nose swollen, burning.
Fetid, yellow, nasal discharge.
Ozæna, with ulcers.
Corroding nasal discharge.
Stitch in the nose as from a splinter.
Tip of nose red, scurfy.
Condylomata on nose.
Large, soft protuberances on alæ, covered with crusts. θ Syphilis.
Dirty, bloody mucus from posterior nares.
Green casts from the nose every morning.

Pale, eyes sunken.
Dark yellow about eyes, with red cheeks.
Swelling of the cheeks.
Bloated around the eyes on waking early.
Rush over the face and forehead, small pimples.
Suppurating pustules, with broad, red circumferences, forming crusts. θ Syphilis.
Comedones.
Freckles.

Swollen lips.
Under-lip dry, cracked.
Margin of mouth covered with sores and blisters.
Corners of mouth ulcerated.
Painful swelling of submaxillary gland.

Pulsating, stinging in teeth, evening in bed and all night, after abuse of mercury.
Teeth feel elongated.
Teeth become yellow or loose.
Pain in hollow teeth.
Gums white, swollen, bleeding.

Taste: bitter after eating; sour, with burning in the throat.
Tongue: sensitive, even and mild food causes smarting; white, dry, mornings; coated green, with ptyalism, dry, fissured.
Deep, irregular-shaped ulcers on the edge of the tongue. θ Syphilis.
Ulceration of tongue, with tough, ropy mucus.
Tongue white, with sore spots.

Cadaverous smell from the mouth.
Saliva fetid, acrid, makes lips sore.
Saliva bloody.
Mucous membrane of mouth swollen, ulcerated; with pricking pains, especially after abuse of mercury.
Tumor in the mouth, with a streak down the neck.

Palate, tongue, inside of gums sore, with stinging pain and ulceration of corners of mouth.
Stitches in the throat, dry coryza, hoarseness.
Tonsils red swollen, uneven, with small ulcers thereon.
Dry throat, heat; gums sore.
Diphtheritic membrane on tonsils and fauces; extending to the nose; terrible fetor, intermittent pulse; swollen parotids.
Pricking as from a splinter in the throat; worse when swallowing.

Longing for: fat; herring; chalk; line; earth.
Averse to meat and bread.
Loss of appetite.
Thirst violent in morning. θ Tuberculosis, suppuration of lungs.

During and after eating, sweat.
Chokes while eating.
After eating; fulness in stomach, debility from least exertion, heat, palpitation; heavy weight in stomach.
Fat food causes nausea and acidity.
Milk disagrees.

Much nausea, cannot take food; vomits occasionally.
Nausea, with heat in the stomach, extending to the throat.
Nausea better from moving about or carriage riding.
Bitter and sour vomiting, with much eructation; vomiting yellow mucus.

Stitches in the pit of the stomach.
Pain in cardiac orifice on swallowing food.
Burning distress.

Chronic derangement of the liver; icterus.
Liver enormously enlarged; clay-colored stools.
Spleen large after yellow fever.

Awakened at midnight, with crampy pains in small intestines; chilly; pain more if he moved.
Incarcerated flatulency in upper part of abdomen worse morning and evening.
Abdomen distended with flatulence, very tender.
Cutting-pinching, worse in the morning in bed.
Gurgling in left side of abdomen; cold feet; fetor oris.
Pain in abdomen when walking; must bend over; pain settles in ileo-cæcal region; dull, sore, tender.
Inguinal hernia; also of children.
Burning over whole abdomen, 2 to 3 P.M.
Stinging soreness when touched.
Swelling and suppuration of inguinal glands.
Inflamed buboes.

Desire for stool, but little passes; feels as if it stayed in the rectum and could not be expelled.
Ineffectual urging to stool; colic.
Stools hard, preceded by great pressure, followed by mucus discharges.
Burning in rectum towards the perineum, with ineffectual urging; straining without stool; diphtheritic dysentery.
Sero-croupous discharge, with much straining.
Stools: bloody, with tenesmus; or mucus; putrid, mucous; undigested; loose, much flatulence, rumbling; of yellow-white fluid; loose mornings; green, slimy acrid diarrhœa.
Hemorrhage bright red, not clotted; faint from least motion; ulcers in ileo-cæcal region.
Piles: old, pendulous, ceased bleeding, but pain when touched, worse in warm weather; slimy, fissured; bleed after every stool.
Fissures in rectum; tearing, spasmodic symptoms during stool; lancinating after, even after soft stools.
Moisture about the anus.

Cold when it passes; scanty, dark brown, smelling strong like horse's urine; turbid, looks like remains in a cider barrel.
While urinating, smarting-burning in urethra.
Hæmaturia; urging after, and shuddering along the spine, during urination; blood flows actively.
Incontinence of urine.
Spasms of the urethra; rectal fissure.
Ulcers in urethra; bloody, mucous or purulent discharge.

Sexual desire too strong.
No desire; want of erections.
Painful spasmodic erections at night.
Hard, brown nodules on scrotum, suppurating.
Brown-red spots, peeling off on discharging.
Gonorrhœa, with chancres, or warts.
Small blisters on orifice of urethra and inner surface of prepuce, forming chancre-like ulcers. θ Gonorrhœa.
Ulcers deep, fistulous, irregular, ragged; edges often raised, lead-colored; bleed easily when touched. θ Syphilis.
Secondary syphilis; 4, 5, 7, 13, 33, 46.
Phimosis.
Chancres after mercury, especially with exuberant granulations.
Condylomata.
Falling off the hair from genitals.

After coitus, mucous lining of genitals itches voluptuously; excrescences on uterus.
Pressing down in hypogastrium and small of back, as though everything would protrude; pain down thighs; abdomen feels swollen.
Uterine hemorrhage from overexertion of body.
Menses: early, irregular, scanty, and like muddy water; early and profuse; aching from the thighs; urine offensive.
During menses eructations, cramp-like pain in the abdomen, as if it would burst.
Profuse, brown, offensive discharge between the irregular menstruations. θ Cancer uteri.
Leucorrhœa: of ropy mucus; of green mucus; of flesh-colored; acrid, brown, offensive.
Stitches up the vagina, or from without inward, when walking in the open air.
Itching, swelling and burning of vulva and vagina.
Excrescences on cervix uteri.

Metrorrhagia after abortion or confinement.
Hard nodes on mammæ.
Atrophy of the mammæ.

Hoarseness: with coryza, from long talking; scratching and stinging in throat.
Large, broad condylomata in the larynx.

Awakens often all stopped up with mucus, must expectorate before he can breathe easily.
Losses her breath and speech, she is so weak. θ Uterine displacement.
Intermittent breathing.
Short breath, panting during work.

Dry, barking, from tickling in larynx and pit of stomach: worse at night, also in day when lying down.
Sputa of blood mixed with clots during the day.
Cough: dry, sputum is raised with difficulty in the morning, followed by greenish-white casts, as if from air-cells. θ Secondary syphilis.
Sputa are yellow, acrid, bitter; sour offensive.
Empyema, with considerable muco-purulent sputum.

Uneasiness in chest.
Congestion to chest, with anxiety, heat and palpitation.
Cramp-like pains in chest.
Stitches in chest, right side.
Chest sore when coughing or breathing.
Soreness at lower end of sternum.
Pain suddenly abates, yet pulse becomes smaller and quicker. θ Pneumonia. θ Pleurisy of cold air cachectic people.
Lungs attacked, rattling breathing, loose cough; sputum brown, bloody; pulse irregular. θ Typhus.
Threatened paralysis of the lungs. θ Typhus.

Palpitation and anguish, on going up stairs.
Pulse: irregular; one normal, followed by two small rapid beats; fourth beat intermits; alternate hard, rapid and small beats.

Swelling of cervical and axillary glands.
Stitches in and between scapulæ; neck stiff.
Pain in back and small of back; from cold.
Neuralgic pains up the back, particularly left side.

Aching in right shoulder and arm; arm feels bruised; at times she cannot raise it.
Rheumatic pains mostly in forearms and fingers.
Numbness, trembling, tingling, of right forearm.
Swelling of finger-joints, stinging pains.
Hands go to sleep in the morning.
Numerous large warts on back of hand.
Herpes between fingers.
White spots on nails.

Hip as if sprained, with limping.
Pain across both buttocks.
Rheumatic pains in legs and feet.
Soreness along the periosteum on the tibia.
Pain in patella, impeding walking; stiffness and stitches in knees.
Violent cramp in calf; at night and when walking after sitting.
Itching of shins, bleeding when scratched; small scabs form.
Foul-smelling foot-sweat.
Chilblains on the toes.

Limbs restless in evening.

Motion: 19, 20, 32, 40. Stepping hard: 3. Walking: 16, 19, 23, 33. Sitting: 33. Must bend over: 19. Overexertion: 23. Lying: 3, 27, 40. Must lie down: 2, 3. Part lain on: 4.

Excessive physical irritability.
Hysteria.
Twitching in various parts.
Great weakness; trembling; shocks on going to sleep; depressed in spirits.
Great debility, heaviness and trembling of limbs, especially in the morning.

Drowsy all day from debility, with vertigo.
Difficulty of going to sleep.
Shocks on dropping to sleep.
Pains felt during sleep.
Sleeps badly latter part of night.
On awaking feels as if he had not slept enough.

Morning: 2, 3, 7, 8, 11, 14, 19, 20, 32, 36, 40. Afternoon: 19, 40. Evening: 4, 10, 19, 34. Night: 4, 10, 22, 27, 33, 40. Midnight: 19. After midnight: 37. Toward morning: 3, 40. Day: 27, 37.

Pain on change of temperature or weather.
Warm weather: 20. In bed: 40. Open air: 46. Cold air: 4. Cold: 31. Uncovering: 40.

Chill afternoon and evening, and after lying down.
Continuous chilliness.
Chilly, with internal heat.
Chilly morning in bed after previous heat.
Awakens at midnight chilly; worse from uncovering or moving; later hot, prickling all over as from needles.
No thirst during cold or hot stage.
Heat on hands and face.
Heat dry, internal at night, wants to uncover.
Heat in flushes, with sweaty hands.
Heat, with sweat and debility after eating.
Sweat sour, offensive, like urine.
Sweat on soles of feet makes them sore.
Copious night-sweats.
Chill afternoon; then short heat over whole body; afterwards profuse sweat over whole body.
Intermittent fever; chill afternoon while in open air, followed by dry heat when in bed, accompanied by all sorts of fancies while in a state of half waking, without sleep; sleep and sweat only come on towards morning.
Chronic cases, liver diseased, patient anæmic; general cachectic condition.

Right: 18, 28, 32. Left: 3, 18, 19, 31. Without inward: 3, 23.

Pricking as from splinters.
Gnawing here and there as from ulcers forming.

Hemorrhages bright, profuse; or dark.
Putrid decomposition.
Emaciation.
Cracking in the joints.
Glands inflamed, swollen, suppurating.
Caries.

Touch: 4, 5, 19, 20, 22, 46. Pressure: 4. Scratching: 4, 33. Carriage riding: 3, 4, 16.

Skin dry.
Skin dark, dirty; brown-red spots.
Burning hot skin; fine miliary rash. θ Scarlatina.
Itching nettle-rash in open air.
Blood-boils.
Carbuncles.
Rhagades, deep, bleeding.
Frost-bites, itching; inflamed from slight degree of cold; skin cracked.
Ulcers bleed when touched; stinging pains; feeling as of a splinter; edges hard, everted and irregular; exuberant granulations; after mercury or in secondary syphilis.
Condylomata moist, like cauliflower, hard, rhagadic, or in thin pedicles.

Dark complexioned, and old people.

Nitr. ac. follows well after: Calc. carb., Hepar, Kali carb., Natr. carb., Pulsat., Sulphur, Thuja.
After Nitr. ac; Calc. carb., Pulsat., Sulphur are frequently indicated.
Nitr. ac.: complementary to Calad.
Antidotes to Nitr. ac., Calc. carb., Hepar, Mercur., Mezer., Sulphur.
Nitr. ac. relieves ailments from: Calcar., Digit., abuse of mercury.
Inimical: Laches.