Corrosive Acid Poisoning Physiotherapy Poisoning

Clinical Features of Corrosive Acid Poisoning

In this article we will discuss the Clinical Features of Corrosive Acid Poisoning

In this article, we will discuss the Clinical Features of Corrosive Acid Poisoning. So, let’s get started.

Clinical Features

The clinical manifestations depend on the concentration and quantity of acid consumed. The symptoms and signs given below:

A. Ingestional Poisoning

1. Mouth and Oropharynx


  • Pain in mouth, throat and drooling of saliva
  • Difficulty in speech (hoarseness or dysphonia) due to edema of glottis
  • Choking and stridor
  • Constant cough, dyspnea


  • Skin and oropharyngeal burns, ulcers, edema, necrosis, discoloration of mouth
  • Deep mucosal burns may produce anesthesia
  • Drooling of saliva over lips produce charring of skin over angles of mouth, chin and chest
  • In severe cases, the tongue is shapeless, a pulpy mass
  • Teeth may become chalky white and loose shine in severe poisoning (corrosion of teeth)

2. Esophagus


  • Painful swallowing, retrosternal pain, neck pain/tenderness
  • Haematemesis (vomiting with altered blood and mucus)


  • Esophageal burns and ulcers. The mucosa is red and swollen

3. Stomach


  • Epigastric pain, burning and tenderness
  • Vomiting. It is strongly acidic, will cause effervescence on coming in contact with earth and will stain clothes


  • Gastric burns

4. Respiratory tract (due to aspiration)


  • Cough and dyspnea
  • Hoarseness and dysphonia
  • Labored breathing


  • Tracheitis and pneumonia
  • Pleural effusion may develop

Inhalation poisoning (inhalation of gases i.e. chlorine, fluorine, bromine, iodine, etc)


  • Upper respiratory obstruction, cough, dyspnea


  • Non-cardiogenic pulmonary edema (rales, crackles)

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