Itchy armpits are obviously irritable for any person, sure that it leads to repeated scratches and fewer other problems including infections as a result of scratching. What under arm itch is a tingling or an irritable sensation, you start feeling as you got a reason to itch. The medical term to itching is pruritus, you can find the itch part to be reddened, swollen, sore, skin flaking, or scarring. We need to consider a few things to get the best treatment for arm pit tching, as the cause to the itch could come out of various reasons.
It may be a simple issue in the climate, or the humidity change, your skin got so dry to start an itch under the arm, clothing issues- maybe you are on something really tight, it could be some itchy agents coming in contact to your body, something like fiberglass insulation or by substances produced by the body.
Again the causes of arm pit itching goes on, it could be an insect bite, allergies, infection or trauma. If you got a wound by arm pit, and if its starts itching, that way you should know it started to heal, an improvement for sure. i mean for the wound recovery. Also Eczema and contact dermatitis are potential to bring in itchy armpits, or you may get an itch start with a rash or ingrown hair while shaving. Few rare cases need also be consider if you got an itch, because the Obstructive biliary disease, as a result of the bile duct blockage can be a reason to itch and also chronic kidney disease.
Most cases, the itching is mild and needs no much concerns, it could be over come with some topical agents, but its good hat you get the itches evaluated which you find unusual, severe and sudden, itching causes on account to food allergy can result in a need for vigorous scratches and this one kind of itching could be anaphylactic reaction, good that you seek medical aid fast as it might turn bit serious.