Why can saliva relieve itching?
May 16, 2023
Source: Cainiu Health
Dr. Liu Wan
Introduction
Saliva can relieve itching because it is alkaline and contains lysozyme. Here's a detailed explanation: after a mosquito bite, the toxin injected is usually acidic. Since saliva is alkaline, it can partially neutralize the acidic substance from the bite, thereby helping to relieve itching. Therefore, applying saliva to a mosquito bite may help alleviate the itch.
Saliva can relieve itching, usually because it is alkaline and contains lysozyme. The specific analysis is as follows:
1. Alkaline Nature of Saliva
After insect bites, the toxins injected are generally acidic. Since saliva is alkaline, it can partially neutralize the acidic substances from insect bites, thereby providing an anti-itch effect. Therefore, applying saliva may help relieve itching after being bitten by insects.
2. Presence of Lysozyme
Saliva consists mostly of water, along with a small amount of lysozyme. Lysozyme can break down bacteria and has antiviral and antibacterial properties, which contributes to saliva's ability to relieve itching. Moreover, as saliva is a digestive fluid in the human body and bacteria are composed of proteins, saliva can help digest these proteins. However, it is important to maintain good oral hygiene when using saliva this way.
Although saliva may provide mild relief from itching, its effectiveness is limited. Additionally, saliva may contain certain bacteria and viruses, potentially causing adverse effects. When there is an open wound, it is advisable to seek medical attention promptly and disinfect the area using antiseptics such as iodophor or alcohol under a doctor’s guidance.
