
Welding fumes can cause a range of symptoms, from mild discomfort to life-threatening conditions.
Headaches and dizziness are common symptoms of welding fumes exposure, often caused by inhaling particles like particulate matter and metal fumes.
Prolonged exposure to welding fumes can lead to respiratory problems, such as bronchitis and pneumonia, as well as increased risk of lung cancer.
Symptoms can appear immediately or develop over time, making it essential to take precautions and follow safety guidelines.
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Health Risks
Welding fumes can cause a range of health problems, from mild to severe.
Metal fume fever, also known as "Monday morning fever", is a common occupational disease among welders. It's characterized by flu-like symptoms such as fever, chills, joint pains, muscle pain, headache, cough, nausea, and malaise, which typically occur 4 to 10 hours post-exposure.
Hundreds of cases of metal fume fever are reported annually in the USA alone.
Long-term exposure to welding fumes can lead to serious health issues, including lung damage, various types of cancer, stomach ulcers, kidney damage, nervous system damage, and Parkinson-like symptoms. Prolonged exposure to manganese fume can cause neurological symptoms similar to Parkinson's disease.
In the UK, 40-50 welders are hospitalized each year due to acute respiratory health effects caused by breathing metal fume at work.
Occupational asthma can be caused by metals in the welding fume, such as hexavalent chromium, nickel, and cobalt. Symptoms include episodes of severe shortness of breath, wheezing, coughing, and chest tightness, often with a latency period of a few months to a few years between first exposure and symptoms starting.
Welding in confined spaces can lead to death from asphyxiation due to a lack of oxygen, caused by exposure to carbon monoxide or shielding gases.
Symptoms and Signs
Welding fumes symptoms can be quite unpleasant, and it's essential to recognize the signs and symptoms to take prompt action. The symptoms are generally flu-like.
Fever, chills, nausea, headache, fatigue, muscle aches, joint pains, lack of appetite, shortness of breath, and pneumonia are some of the common symptoms.
A sweet or metallic taste in the mouth may also be reported, along with a dry or irritated throat which may lead to hoarseness. This is often seen in people who work with zinc-coated metals.
Symptoms of a more severe metal toxicity may include a burning sensation in the body, shock, no urine output, collapse, convulsions, shortness of breath, yellow eyes or yellow skin, rash, vomiting, watery or bloody diarrhea, or low or high blood pressure, which require prompt medical attention.
Metal fume fever is a common condition that many welders get, and it's usually linked to welding or hot work on galvanized metals. High exposures to mild steel weld fume can also cause this illness.
The initial symptoms of metal fume fever include a sweet metallic taste associated with throat irritation, dyspnea, and thirst followed by chills, a low-grade fever, myalgia, arthralgias, malaise, fatigue, and a nonproductive cough.
Pneumonia can be a serious complication of welding fume exposure, and it's essential to take precautions to prevent it.
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Emergency Response
If you inhale welding fumes and feel sick at work, there are immediate health effects to watch out for, including eye, nose, and throat irritation, dizziness and nausea, and breathing difficulties that could lead to suffocation or asphyxiation.
If you experience any of these symptoms, get medical attention right away. If breathing becomes difficult or if symptoms worsen, persist, or reoccur, consult a healthcare professional immediately to receive a diagnosis and initiate necessary treatment.
You can also get an immediate personalized recommendation online or call 1-800-222-1222, both of which are free, confidential, and available 24 hours a day.
Here are the symptoms to look out for:
- Eye, nose, and throat irritation
- Dizziness and nausea
- Breathing difficulties that could lead to suffocation or asphyxiation
Remember, there's no scientific evidence to support that consuming milk alleviates health issues caused by welding, such as fume fever.
Diagnosis and Treatment
Diagnosis of welding fumes symptoms can be tricky, as complaints are non-specific and resemble common illnesses. Symptoms typically occur 2-10 hours after exposure.
Respiratory symptoms may be prominent, and metal fume fever may be confused with acute bronchitis or pneumonia. A full occupational history is crucial in making a diagnosis.
Physical symptoms vary among individuals, but may include wheezing or crackles in the lungs, an increased white blood cell count, and elevated zinc levels.
Treatment for mild metal fume fever involves bedrest, staying hydrated, and symptomatic therapy as needed. Aspirin can help with headaches.
Diagnosis

Diagnosis of metal fume fever can be easily missed because the complaints are non-specific and resemble a number of other common illnesses.
The diagnosis is primarily anecdotal, meaning it depends on a good occupational history. This means that healthcare providers need to take a thorough history of the person's work and exposure to metal oxide fumes.
Respiratory symptoms can be prominent in metal fume fever, which can make it difficult to diagnose. Symptoms can resemble acute bronchitis or pneumonia.
A full occupational history is crucial in diagnosing metal fume fever, as reported by Cain and Fletcher in 2010. They described a case where diagnosis was only possible by taking a full occupational history and collaborating with healthcare providers.
Patients with metal fume fever may present with wheezing or crackles in the lungs.
Treatment
Treatment is a crucial step in managing metal fume fever.
Bedrest and staying well hydrated are essential components of treating mild cases of metal fume fever.

Aspirin can be used to help alleviate headaches, but treatment approaches for non-allergic acute lung injury have not been defined.
Drinking large quantities of cow's milk before or immediately after exposure is a traditional remedy, but it's not a recommended prevention method.
Getting away from the source of the fumes is the most important treatment for metal and polymer fume fever.
Adequate fluid intake and medications like NSAIDs or acetaminophen can help manage fever and body aches.
Remaining away from the source of exposure and taking measures to avoid future exposure are also crucial.
People with lung conditions like asthma or severe symptoms may require medical evaluation.
Treatment for Metal and Polymer Fume Fever
Treatment for metal and polymer fume fever is relatively straightforward. Getting away from the source of the fumes is the most important step.
Mild cases can be treated with bedrest, staying hydrated, and symptomatic therapy like taking aspirin for headaches. Drinking large quantities of cow's milk before or after exposure is a traditional remedy, but it's not recommended by the UK Health and Safety Executive.
Adequate fluid intake and medications like NSAIDs or acetaminophen can help manage fever and body aches. People with lung conditions or severe symptoms may require medical evaluation.
In most cases, treatment for metal and polymer fume fever involves staying away from the source of the exposure and taking measures to avoid future exposure.
Fume Composition and Hazards
Welding fumes contain a toxic mix of gases and metal particles, including Argon, Helium, Nitrogen, Carbon Dioxide, and Carbon Monoxide.
These fumes are influenced by the welding electrode, coatings, and the material being welded, which can produce more chromium or nickel in stainless steel welding.
Aluminum welding fumes contain notable amounts of aluminum oxide and ozone, a toxic and carcinogenic gas.
Welding fume particles are incredibly small, ranging from 0.005 to 20 µm in size, with most particles being smaller than 1 µm.
Inhaled particles can deposit throughout the respiratory system, posing serious health risks to welders.
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