Acid soldering flux poisoning

Definition

Acid soldering flux is a chemical used to clean and protect the area (joint) where two pieces of metal come together. Flux poisoning occurs when someone swallows this substance.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

Alternative Names

Poisonous Ingredient

• Hydrocarbons (including ammonium chloride, rosin, hydrochloric acid, and zinc chloride)

Where Found

• Soldering flux

Note: This list may not include all sources of fluxes.

Symptoms

• Eyes, ears, nose, and throat
  • Loss of vision
  • Severe pain in the throat
  • Severe pain or burning in the nose, eyes, ears, lips, or tongue
• Kidneys and bladder
  • Decreased urine output
  • Kidney failure
• Gastrointestinal
  • Blood in the stool
  • Burns of the food pipe (esophagus)
  • Severe abdominal pain
  • Vomiting
  • Vomiting blood
• Heart and blood vessels
  • Collapse
  • Irregular heart beat
  • Low blood pressure that develops rapidly
• Lungs and airways
  • Breathing difficulty (from breathing in chemical)
  • Throat swelling (which may also cause breathing difficulty)
• Skin
  • Burn
  • Holes (necrosis) in the skin or tissues underneath
  • Irritation

Home Care

Seek immediate medical help. Do NOT make a person throw up unless told to do so by poison control or a health care professional.

If the chemical is on the skin or in the eyes, flush with lots of water for at least 15 minutes.

If the chemical was swallowed, immediately give the person water or milk, unless instructed otherwise by a health care provider. Do NOT give water or milk if the patient is having symptoms (such as vomiting, convulsions, or a decreased level of alertness) that make it hard to swallow.

If the person breathed in the poison, immediately move him or her to fresh air.

Before Calling Emergency

Determine the following information:

• Patient's age, weight, and condition
• Name of the product (ingredients and strengths, if known)
• Time it was swallowed
• Amount swallowed

Poison Control

The National Poison Control Center (1-800-222-1222) can be called from anywhere in the United States. This national hotline number will let you talk to experts in poisoning. They will give you further instructions.

This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.

See: Poison control center - emergency number

What to Expect at the Emergency Room

The health care provider will measure and monitor your vital signs, including temperature, pulse, breathing rate, and blood pressure. Symptoms will be treated as appropriate. You may receive:

• Breathing tube
• Bronchoscopy -- camera down the throat to see burns in the airways and lungs
• Endoscopy -- camera down the throat to see burns in the esophagus and the stomach
• Fluids by IV
• Oxygen
• Tube through the mouth into the stomach to wash out the stomach (gastric lavage)
• Surgical removal of burned skin (skin debridement)
• Washing of the skin (irrigation) -- perhaps every few hours for several days

Outlook (Prognosis)

How well you do depends on the amount of poison swallowed and how quickly treatment is received. The faster you get medical help, the better the chance for recovery.

Damage can continue to occur for several weeks after the poison was swallowed.

References

Mirkin DB. Benzene and related aromatic hydrocarbons. In: Shannon MW, Borron SW, Burns MJ, eds. Haddad and Winchester's Clinical Management of Poisoning and Drug Overdose. 4th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 94.

Wax PM, Yarema M. Corrosives. In: Shannon MW, Borron SW, Burns MJ, eds. Haddad and Winchester's Clinical Management of Poisoning and Drug Overdose. 4th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 98.

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