Getting a tick bite doesn't automatically spell medical emergency, but it is important to know what to do next.

the bite area spreads, your pain worsens, or you develop symptoms of sepsis. Some bug bites may resolve with home remedies. However, some bug bites require medical treatment, including ...

A mosquito bite may turn into a fluid-filled blister in some cases. If you also notice symptoms of infection or an allergic reaction, you should contact a doctor for advice on treatments.

Insect and spider bites can cause small lacerations, swelling, skin discoloration, blisters, and other symptoms. Home treatment may relieve symptoms but some bites may need medical attention.