Four Men Hospitalized in Vienna After Carbon Monoxide Exposure Linked to Shisha Smoking

Fri 6th Feb, 2026

Emergency responders in Vienna treated four men who were hospitalized after being exposed to carbon monoxide, believed to have resulted from shisha smoking in a residential apartment. The incident was reported to local authorities after the individuals exhibited symptoms consistent with carbon monoxide poisoning.

Upon arrival, Vienna's professional fire brigade conducted a thorough inspection of the premises. Initial assessments ruled out a malfunctioning gas appliance as the source of the hazardous gas, as the apartment's gas heater had received regular and proper maintenance, according to official statements from the emergency services.

Investigations pointed instead to the use of a shisha, also known as a hookah, as the probable cause. Shisha pipes, commonly used for smoking flavored tobacco, can produce significant amounts of carbon monoxide when charcoal is used to heat the tobacco. Prolonged exposure to this gas in enclosed or poorly ventilated spaces can result in poisoning, as carbon monoxide binds to hemoglobin in the bloodstream, reducing oxygen supply to vital organs.

Medical personnel responded promptly, and the affected individuals were transported to a nearby hospital for further evaluation and treatment. Carbon monoxide poisoning can present with symptoms such as headache, dizziness, nausea, and confusion. In severe cases, it may lead to loss of consciousness or even prove fatal if not addressed swiftly.

Officials emphasized the importance of adequate ventilation when using shisha indoors and warned of the risks associated with burning charcoal products in confined spaces. They noted that similar incidents have been reported in the past, highlighting the potential dangers even in situations where heating appliances and gas systems are functioning properly.

Shisha smoking has grown in popularity across Europe in recent years, particularly among younger demographics. However, health authorities have repeatedly cautioned against the misconception that it is a safer alternative to cigarette smoking. In addition to the risks from tobacco and other substances, the combustion of charcoal during shisha sessions can emit dangerous levels of carbon monoxide and other toxic gases.

The fire brigade recommended routine checks for air quality and the installation of carbon monoxide detectors in homes where shisha is used. These measures can help alert occupants to the presence of hazardous gases before symptoms develop.

The four men are currently under medical supervision, and their conditions are being closely monitored. No further information has been released regarding their identities or current health status. Authorities continue to investigate the precise circumstances of the incident and are urging the public to exercise caution with indoor smoking devices.


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