A little pain in the armpits may be caused by folliculitis, soft fibroids, common warts and other diseases, the patient should consult a doctor in a timely manner to clarify the cause of the disease after treatment. 1. Folliculitis: the armpit may be viral, bacterial infection caused by folliculitis, the patient will also have local pain, redness and swelling, you can use mupirocin ointment, fusidic acid cream and other drugs for treatment. 2. soft fibroid: armpit long small meat grain may also be soft fibroid caused by secondary infection can be accompanied by pain, mostly in middle-aged and old people, is the formation of benign proliferation of fibrous tissue, usually without special treatment, if necessary, can be treated by laser. 3. common warts: human papillomavirus infection caused by common warts can also lead to armpit long small meatballs, the surface of the rough touch, secondary bacterial infection can be accompanied by pressure pain, can be frozen, electrocautery and other methods of treatment. The above symptoms may also be caused by other diseases, it is recommended that the hospital dermatology department, the above drugs should be used under the guidance of the doctor.