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Oxalic acid poisoning
Definition
Oxalic acid is a poisonous, colorless substance. This article discusses poisoning from swallowing oxalic acid.
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.
Poisonous Ingredient
Oxalic acid
Where Found
Oxalic acid may be found in some:
- Anti-rust products
- Bleaches
- Metal cleaners
- Rhubarb leaves
Note: This list may not be all inclusive.
Symptoms
- Abdominal pain
- Collapse
- Convulsions
- Kidney problems
- Low blood pressure
- Mouth pain
- Shock
- Throat pain
- Tremors
- Vomiting
- Weak pulse
Home Treatment
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 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.
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, or a local emergency number
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.
What to expect at the emergency room
The health care provider will measure and monitor the patient's vital signs, including temperature, pulse, breathing rate, and blood pressure. The patient may receive:
- Breathing support
- Medicine (antidote) to reverse the effect of the poison
- Medicines to treat symptoms
Expectations (prognosis)
How well a patient does depends on the amount of poison swallowed and how quickly treatment was received. The faster a patient gets medical help, the better the chance for recovery. Severe damage to the mouth, gastrointestinal tract, or airway may occur and quickly cause death if not treated.
Reviewed By: John E. Duldner, Jr., MD, MS, Assistant Professor of Emergency Medicine, Department of Emergency Medicine, Samaritan Regional Health System, Ashland, Ohio. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
