Multiple penetrations of the skin (puncture or laceration) causing reactions that result from;
1) mechanical injury.
2)injection of toxic material such as snake or scorpion venom.
3) injection of antigenic substances, especially by insector arthropod bites, capable of inducing and eliciting allergic sensitization.
4) introduction of otherwise indigenousmouth flora in the instance of human bites.
5) invasion of the tissue as in.
6) transmission of diseases such astyphus and rabies.
Related Herb: Plantain, Ribwort