The saliva from fleas is the primary cause of the skin itching after being the victim of a flea bite, and not the actual bite its self. The flea injects a numbing agent or minor anesthetic when latching on to the skin in order to avoid being detected, which can also be responsible for skin being itchy.
The saliva from fleas can also contain many different kinds of bacteria and germs, and even some diseases. Such things can also cause the skin to become irritated and itchy. It is important that a flea bite not be scratched as the human fingernails also carry plenty of bacteria that, when introduced into the bite in the form of scratching, can also cause more irritation and itchiness.Learn More
Chigger bites typically take one to three weeks to clear up, according to Healthline. During that time, small red blisters or bumps form clusters on the skin, causing itchiness and irritation. Treating the bumps with ice and anti-itch topical creams, such as calamine lotion or hydrocortisone, discourages scratching.Full Answer >
A person bitten by a dog often can treat the bite at home but should seek medical care if the dog is unknown and if the bite is deep, seems infected or continues bleeding, according to WebMD. Report a bite from an unknown dog to animal control.Full Answer >
According to Healthline, tick bites tend to be harmless and seldom produce symptoms other than small red bumps, but some people experience swelling, burning, a rash or blisters at the bite site. Symptoms of tick-borne diseases, which require immediate medical attention, include headaches, muscle and joint pain, nausea and fever.Full Answer >
Huntsman spider bites are not typically dangerous, although they can be painful. The Victorian State Government's Better Health Channel describes huntsman spiders as usually being harmless.Full Answer >