Big Pimple Under Armpit. There are many medical reasons that can result in underarm pimples that are painful. It can also grow further into a boil that can result into fever in the body generally.

This condition can also be associated with tenderness or pain in the lump under the arm. There are many medical reasons that can result in underarm pimples that are painful. Read below for more causes and treatments options.
In your armpit its commonly a local skin abcess infection.
Or it could be a lymph node. A pimple is characterized by an infection of a sebaceous gland. The turmeric controls sebum production and the honey. While some were grossed out others complained the clip was too short.