Pimple-like abscess(?) in underarm/armpit area
I’ve had this issue for about 4 months now. It started with the growth of a small bump on my armpit, which progressed into a pus-filled sack, albeit not very big. This led me to squeeze it, and some fluid mixed with blood (and maybe pus) came out. After a while, I squeezed it again, and this time an ingrown hair emerged. I regrettably tried to drain it by puncturing the skin with needles. After doing so, the open wound closed up, but since then the abscess (that’s what the doctor called it) remained. It’s not very big, not much bigger than 2cm probably, but it’s still noticeable and bothersome. Since it’s been present for so long, the neighbouring lymph node has swollen to about 4-5cm in size. It’s just above my underarm area. When I palpate it I can feel the bump. I’ve been to two different clinics; the first doctor gave me antibiotics but they didn’t work. The second doctor told me the only way was to remove it surgically. I wish to know if this is the case? And is it really an abscess? Or could it also be a cyst? The doctor mentioned something about encapsulation/an encapsulated cyst but I’m not sure.

Answer:

Dear Sir/Madam,

We extend our sincere gratitude for choosing Pantai Hospital Malaysia for your healthcare requirements.

We understand how distressing a persistent lump and swelling can be, and we appreciate the detailed information you have provided.

Based on your description, it is possible that the lesion you have is either a chronic abscess or an encapsulated cyst. Both conditions can present similarly with a lump that may contain pus or fluid, and in some cases, can cause nearby lymph nodes to swell as part of the body’s immune response.

An abscess is a localized infection that often requires drainage and antibiotics, but if left untreated or inadequately treated, it can develop into a chronic condition with a fibrous capsule, making it less responsive to antibiotics alone. A cyst, on the other hand, is a fluid-filled sac that can sometimes become infected, leading to similar symptoms.

Given that you have already undergone antibiotic treatment without resolution, and considering the size and duration of the lump, the recommendation for surgical removal is a common and effective treatment option. Surgery allows for complete excision of the lesion and helps prevent recurrence. Additionally, removal will enable a definitive pathological diagnosis to rule out other possible conditions.

We recommend you consult with a general surgeon or a dermatologist experienced in managing such lesions. Thank you.


Any advice, recommendations, or information provided by the Company, its affiliates, employees, moderators, medical practitioners, and representatives within the Forum is not to be taken as conclusive advice. It is intended as a suggestion and not a substitute for consulting with qualified medical practitioners. Users are encouraged to seek professional advice tailored to their specific circumstances.


Share This Question: 
Last Edited: 02 Aug 2025
4
Loading...
Thank you for your patience
aad blue heart