Side effects of inhaling talc include breathing problems, cough, eye irritation and throat irritation. Convulsions, low blood pressure, vomiting and diarrhea are additional side effects of inhaling talc, according to MedlinePlus.
Lung failure, lethargy, twitching of the limbs, and blue lips, skin and fingernails are additional side effects of talc inhalation, according to the New York times. The most severe side effects are normally a result of breathing in talc over long periods of time.
Talc is processed from a magnesium silicate component, and it is used to reduce rashes and irritation in infants, according to the Huffington Post. It can result in inhaling high amounts of the powder, resulting in lung irritation known as talcosis.