Medorrhinum is a homeopathic remedy used for the natural treatment of:

•  pink eye
• conjunctivitis
• gonorrhea
• warts
• eczema
• Reiter's syndrome
• arthitis 

From Boericke:

A powerful and deep-acting medicine, often indicated for chronic ailments due to suppressed gonorrhoea. For women with chronic pelvic disorders. Chronic RHEUMATISM. Great disturbance and irritability of nervous system. Pains intolerable, tensive; nerves quiver and tingle. Children dwarfed and stunted. Chronic catarrhal conditions in children. Nose dirty, tonsils enlarged, thick yellow mucus from nostrils; lips thickened from mouth breathing. State of collapse and TREMBLING ALL OVER. History of sycosis. Often restores a gonorrhoeal discharge. Intensity of all sensations. Oedema of limbs; dropsy of serous sacs. Disseminated sclerosis.

Mind
Weak memory. Loses the thread of conversation. Cannot speak without weeping. TIME PASSES TOO SLOWLY. (CANNAB. IND.; ARG. N.) Is in a great hurry. Hopeless of recovery. Difficult concentration. Fears going insane. (MANCINELLA.) Sensibility exalted. Nervous, restless. Fear in the dark and of some one behind her. Melancholy, with suicidal thoughts.

Head
Burning pain in brain; worse, occiput. Head heavy and drawn backward. Headache from jarring of cars, exhaustion, or hard work. Weight and pressure in vertex. Hair dry, crispy. Itching of scalp; dandruff.

Eyes
Feels AS IF SHE STARED at everything. Eyeballs ache. Feels as if sticks in eyes. Lids irritated.

Ears
Partial deafness, pulsation in ears. Quick, darting pains in right ear.

Nose
Intense itching. Coldness of tip. Posterior nares obstructed. Chronic nasal and pharyngeal catarrhs.

Face
Pallor, acne, blotches of reddish color. SMALL BOILS break out during menses.

Mouth
Tongue coated brown and thick, blistered; canker sores. Blisters on inner surface of lips and cheeks.

Stomach
Coppery taste and eructations of sulphuretted hydrogen. Ravenous hunger soon after eating. VERY THIRSTY. Cravings for liquor, salt, sweets, etc., warm drinks. Pernicious vomiting of pregnancy.

Abdomen
Violent pain in liver and spleen. Rests more comfortably lying on abdomen.

Stool
Can pass stool only by leaning very far back. Painful lump sensation on posterior surface of sphincter. Oozing of fetid moisture. INTENSE ITCHING OF ANUS. Urine. Painful tenesmus when urinating. NOCTURNAL ENURESIS. Renal colic. (BERB.; OCIM.; PAREIR.) Urine flows very slowly.

Female
Intense pruritus. Menses OFFENSIVE, profuse, dark, clotted; stains difficult to wash out, urinates frequently at that time. SENSITIVE SPOT NEAR OS UTERI. Leucorrhoea thin, acrid, excoriating, fishy odor. Sycotic warts on genitals. Ovarian pain, worse left side, or from ovary to ovary. STERILITY. Metrorrhagia. Intense menstrual colic. Breasts COLD, sore, and sensitive.

Male
Nocturnal emissions, followed by great weakness. IMPOTENCE. Gleet; whole urethra feels sore. Urethritis. Enlarged and painful prostate with frequent urging and painful urination.

Respiratory
Much oppression of breathing. Hoarse while reading. Pain and soreness through chest and mammae. Incessant, dry, night cough. Asthma. Incipient consumption. Larynx feels sore. Dyspnoea; cannot exhale. (Samb.) Cough; better lying on stomach.

Extremities
Pain in back, with burning heat. Legs heavy; ache all night; CANNOT KEEP THEM STILL. (ZINC.) Ankles easily turn when walking. Burning of hands and feet. Finger-joints enlarged, puffy. Gouty concretions. HEELS AND BALLS OF FEET TENDER. (THUJA.) SORENESS OF SOLES. Restless; better, clutching hands.

Skin
Yellow. Intense and incessant ITCHING; worse night and when thinking of it. Fiery red rash about anus in babies. Copper-colored spots. Favus. Tumors and abnormal growth.

Fever
Wants to be fanned all the time. Chills up and down back; coldness of legs, hands, and forearms. Flashes of heat in face and neck. Night-sweat and hectic.

Sleep
Dreams she is drinking. (ARS.; PHOS.) Sleeps in knee-chest position.

Modalities
WORSE, when thinking of ailment, FROM DAYLIGHT TO SUNSET, heat, inland. BETTER, at the seashore, lying on stomach, damp weather. (CAUST.)

Mercurius corrosivus is a homeopathic remedy used for the natural treatment of

• sore throats
• canker sores
• ulcers
• gingivitis
• bleeding gums
• burning pains 
• eye infections with burning pains
• tenesmus 

From Boericke: 

(Corrosive Sublimate) This salt leads all other remedies in tenesmus of the rectum, which is incessant, and is not relieved by the stool. The tenesmus often involves the bladder as well. Bright's disease. Gonorrhoea; SECOND STAGE, with continuous tenesmus. Destroys the secreting portions of the kidneys. This process is slow, but sure. Albuminuria in early pregnancy. (PHOSPH. later and at full term.)

Head
Delirium, stupor. Frontal pain, congestion of head, with burning in cheeks. Drawing pain in periosteum of skull.

Eyes
Pain behind eyeballs, as if forced out. Phlyctenule; deep ulcers on cornea. Excessive photophobia and ACRID LACHRYMATION. IRITIS, ordinary or syphilitic. (Give in association with atropin locally for prevention of adhesions.) Pain severe at night; burning, shooting, tearing. Little tendency to pus formation. IRIS MUDDY IN COLOR, THICK, AND NEITHER CONTRACTS NOR DILATES. Retinitis albuminuric, ophthalmia neonatorum. LIDS OEDEMATOUS, red, excoriated. SEVERE BURNING. SORENESS OF THE EYES.

Nose
Excessive coryza. Ozaena, with perforation of septum nasi. (KALI BICH.) Rawness and smarting in nostrils. Post-nasal swelling, mucous membrane dry, red, and covered with bloody mucus.

Ears
Violent pulsations. Fetid pus.

Face
Swollen. Red, puffy. Lips black, swollen. Sordes. Facial neuralgia within the bones.

Mouth
Teeth loose. Gums purple, swollen, and spongy. Tongue swollen and inflamed. Salivation. Pyorrhoea. Ptyalism. Taste salty and bitter. Throat. RED, SWOLLEN, PAINFUL, INTENSELY INFLAMED. UVULA SWOLLEN. SWALLOWING PAINFUL. Most pain is POST-NASAL WITH SHARP PAINS TO EARS. BURNING PAIN, WITH GREAT SWELLING; WORSE, SLIGHT EXTERNAL PRESSURE. All glands about thorax swollen.

Stomach
Incessant, green, bilious vomiting. Epigastrium very sensitive.

Abdomen
Bruised sensation; caecal region and transverse colon painful. Bloated; very painful to least touch.

Stool
Dysentery; tenesmus, not relieved by stool; incessant. Stool hot, bloody, slimy, offensive, with cutting pains and shreds of mucous membrane.

Respiratory
Pain in larynx as cut with knife. Aphonia. Cough, with bloody expectoration. Pulse rapid and intermittent. Stitches through side of chest. Urine. Intense burning in urethra. Urine hot, burning, scanty or suppressed; bloody, GREENISH DISCHARGE. Albuminous. TENESMUS OF BLADDER. Stabbing pain extending up urethra into bladder. Perspiration after urinating.

Male
Penis and testes enormously swollen. Chancres assume phagedenic appearance. GONORRHOIA; urethra orifice red, swollen; glans sore and hot. Discharge greenish, thick.

Fever
Chilly from slightest exposure. Profuse perspiration; surfaces cold.

Modalities
WORSE, evening, night, acids. BETTER, while at rest.

Relationship
Compare: ARS.; LACH.; LEONURUS-MOTHERWORT (Influences pelvic organs, allays spasm and nervous irritability, promotes secretion and reduces febrile excitement. Valuable in suppressed menses and LOCHIA; dysentery; vomiting, frightful pains in abdomen, violent thirst. Tongue dry and cracked). MONSONIA-An African plant belonging to the Germaniace-(Used for dysentery in material doses). Antidote: CALCIUM SULPHIDE is antidotal to Bichloride poisoning. Use intravenous injection of 7 1/2 grains in 7 1/2 ozs. boiled water.