Welcome! How can I help with your medical...

Hello,
Thank you for your question.
our dear customer

What are the causes of skin swelling under your anus?

Skin tags
Piles
Trauma
Skin warts
Infection

What are the red flags?

Constipation
Bleeding
Pain
Swelling that enter in and out of anus

What are the required investigation?

Only examination by a doctor to confirm the diagnosis
You might do CBC

What is the treatment?

Use proctocare creams
Use over the counter painkiller medication as acetaminophen or ibuprofen
Sit in hot bath
Eat healthy
Prevent constipation
You might need surgical removal of skin warts
Prophylactic antibiotics might be used
Feel free to message me anytime if you have any other questions.
Warm Regard
khaled jaber