Skin contact with allergens or irritants can lead to itchy, raised bumps. Common triggers include detergents, metals, or plants like poison ivy. Boils are painful, red bumps caused by bacterial ...

Pollack says they look like blisters – red, raised, and painful bumps. They typically occur outside of the mouth on and around the lips, but it is possible for them to occur on your tongue ...

4. Boils A boil is an infection in your hair follicle that leads to a painful, red bump. "It commonly fills with pus and may rupture if it becomes large enough," Zeichner says. Boils generally ...