Causes & Symptoms for Petroleum
Eczema, forming thick scabs and oozing pus indicates Petroleum.

sprains of joints, especially in old, when the knees are stiff, associated with sharp sticking pains, cracking sound is relieved.

Scabs and purulent mucus are discharged from the nasal cavities
Deep cracks and fissures which bleed and suppurate.

Rhagades, particularly when they occur in winter, when the hands chap, crack and burn, and itch intolerably indicates Petroleum.

Diseases of the skin and subcutaneous tissue, depressed nutrition, anaemia, dyspepsia, nerve troubles, irritability, insomnia, respiratory affections.

 
Mind and Head
Mental weakness and forgetfulness, Frequent tear with Uneasiness respecting the future.

Every mental exertion causes him to become quite stupid.

Falling out of the hair is a characteristic symptom of Petroleum.

Headache with heaviness like lead, pressure, sticking, pulsating, worse on shaking head, when stooping.

The vertigo and heaviness associated with nausea and bilious vomiting.

Eyes, ear, nose
Inflammation of eyes with shooting, and burning pain in eyes.

Itching of lids, eyes is relieved with this remedy.

Dryness, and distressing sensation or dryness, in interior of ear.

Redness, excoriation, and oozing behind ears.

Discharge of blood and pus from ears is relieved with petroleum.

Dryness, and distressing sensation of dryness, in nose.

Petroleum is useful in Ulcerated nostrils, scabs, purulent mucus, cracked nostrils.

Coryza with hoarseness.

Tinkling, rolling, roaring, ringing, rumbling, cracking, and buzzing in ears.