How to Treat Skin Exposure to Phosphoric Acid: A Guide

How to treat skin exposure to acid or alkali splashes?

If phosphoric acid has been sprayed on the skin and you only realize it after experiencing pain due to skin erosion, it is important to take the following steps:
1.
Immediate Rinse: Rinse the affected area with plenty of water for at least 15-20 minutes to dilute and remove the acid.
Make sure to use lukewarm water, as hot or cold water may exacerbate the injury.
2.
Remove Contaminated Clothing: Carefully remove any clothing or jewelry that may have come into contact with the acid to prevent further skin exposure.
3.
Do Not Use Neutralizing Agents: Avoid using any neutralizing agents, such as baking soda, as they can cause additional irritation or a chemical reaction.
4.
Assess the Injury: After rinsing, assess the severity of the skin damage.
If there are blisters, severe pain, or extensive damage, seek medical attention

A-Nan, 30~39 year old female. Ask Date: 2005/03/29

Dr. Huang Ruiyun reply Dermatology

Yes.

Reply Date: 2005/03/29

More Info

When dealing with skin exposure to phosphoric acid, it is crucial to act quickly and effectively to minimize damage and alleviate pain. Phosphoric acid is a corrosive substance that can cause chemical burns upon contact with the skin. Here’s a comprehensive guide on how to treat skin exposure to phosphoric acid.

Immediate Actions
1. Remove Contaminated Clothing: As soon as you realize that your skin has been exposed to phosphoric acid, remove any clothing or accessories that may have come into contact with the acid. This helps prevent further skin exposure.

2. Rinse with Water: The most critical step is to rinse the affected area with copious amounts of water. Use lukewarm water if possible, and continue rinsing for at least 15 to 20 minutes. This helps to dilute and wash away the acid, reducing its corrosive effects on the skin.

3. Avoid Using Soap or Other Products Initially: Do not apply soap, creams, or ointments to the affected area immediately after exposure. These can react with the acid or further irritate the skin.

4. Seek Medical Attention: After rinsing the area thoroughly, it is essential to seek medical attention, especially if you experience severe pain, blistering, or if the exposure was extensive. A healthcare professional can assess the damage and provide appropriate treatment, which may include pain management and wound care.

Aftercare
1. Assess the Damage: After rinsing and seeking medical help, assess the affected area. If there are blisters, do not pop them, as this can lead to infection. Cover the area with a sterile, non-stick bandage.

2. Pain Management: Over-the-counter pain relievers such as ibuprofen or acetaminophen can help manage pain and inflammation. Follow the dosage instructions on the package.

3. Moisturize: Once the initial irritation subsides, applying a gentle, fragrance-free moisturizer can help soothe the skin. Avoid products with alcohol or strong fragrances, as these can further irritate the skin.

4. Monitor for Infection: Keep an eye on the affected area for signs of infection, such as increased redness, swelling, pus, or fever. If any of these symptoms occur, contact a healthcare provider immediately.

5. Follow-Up Care: Depending on the severity of the burn, follow-up care may be necessary. This could include dressing changes, prescription medications, or referrals to a dermatologist for further evaluation.

Prevention
To prevent future incidents, always wear appropriate personal protective equipment (PPE) when handling phosphoric acid or any corrosive substances. This includes gloves, goggles, and protective clothing. Ensure that you are familiar with the safety data sheets (SDS) for any chemicals you work with, as they provide essential information on handling, exposure, and first aid measures.

Conclusion
In summary, if you are exposed to phosphoric acid, immediate and thorough rinsing with water is the most critical step. Follow this with medical evaluation and appropriate aftercare. Remember that chemical burns can be serious, and seeking professional help is always advisable. Taking preventive measures can help avoid such incidents in the future.

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