Solder is used to connect electric wires or other metal parts together. Solder poisoning occurs when someone swallows solder in large amounts. Skin burns can occur if solder touches the skin.
This article is for information only. DO NOT use it to treat or manage an actual poison exposure. If you or someone you are with has an exposure, call your local emergency number (such as 911), or your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States.
The substances in solder that can be harmful are:
Solder contains these substances. It may also contain other harmful substances.
Symptoms for lead:
BLADDER AND KIDNEYS
EYES, EARS, NOSE, MOUTH, AND THROAT
STOMACH AND INTESTINES
HEART AND BLOOD
MUSCLES AND JOINTS
NERVOUS SYSTEM
SKIN
Symptoms for tin and zinc chloride:
BLADDER AND KIDNEYS
EYES, EARS, NOSE, MOUTH, AND THROAT
STOMACH AND INTESTINES
SKIN
Symptoms for ethylene glycol:
Symptoms for cadmium:
Symptoms for bismuth:
Symptoms for silver:
Symptoms for antimony:
Symptoms for copper:
Get medical help right away. Do not make the person throw up unless poison control or a health care provider tells you to. If the solder is on the skin or in the eyes, flush with lots of water for at least 15 minutes.
If the solder was swallowed, give water to the person right away, unless instructed otherwise by poison control or a provider. Do not give water if the person is having symptoms (such as vomiting, seizures, or a decreased level of alertness) that make it hard to swallow.
Determine the following information:
Your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. This national hotline 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.
Take the container with you to the hospital, if possible.
The provider will measure and monitor the person's vital signs, including temperature, pulse, breathing rate, and blood pressure.
Tests that may be done include:
Treatment may include:
How well the person does depends on the amount of poison swallowed and how quickly treatment is received. The faster medical help is given, the better the chance for recovery.
Outcomes depend on the type of poison swallowed:
Swallowing such poisons can have severe effects on many parts of the body. Burns in the airway or gastrointestinal tract can lead to tissue necrosis, resulting in infection, shock, and death even several months after the substance was first swallowed. Scars may form in these tissues leading to long-term difficulties with breathing, swallowing, and digestion.
Nelson ME. Toxic alcohols. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 136.
Theobald JL, Mycyk MB. Iron and heavy metals. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 146.
BACK TO TOPReview Date: 11/2/2023
Reviewed By: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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06/01/2025
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