Lymphedema: This condition is characterized by the abnormal accumulation of protein-rich fluid in the interstitial tissue, leading to swelling. The mons area, being a dependent region, is prone to lymphedema, especially if there's any compromise in lymphatic drainage.

Cellulitis: A bacterial infection of the skin and subcutaneous tissues that can cause swelling, redness, and warmth in the affected area. The mons area can be involved, especially if there's a break in the skin or an underlying condition predisposing to infection.
Contact Dermatitis: An allergic or irritant reaction to substances coming into contact with the skin, which can cause swelling, redness, and itching in the mons area.
Folliculitis: An inflammation of the hair follicles, which can lead to swelling, especially if the condition becomes severe or is caused by a virulent organism.

Testicular Cancer with Metastasis: Although less common, testicular cancer can metastasize to the lymph nodes in the groin area, potentially causing swelling in the mons area. Early detection is crucial for treatment outcomes.
Lymphoma: A type of cancer that affects the immune system and can cause lymph node swelling, including in the groin area, which might be perceived as mons area swelling.
Genital Herpes: A viral infection that can cause painful blisters and swelling in the genital area, including the mons pubis.

Elephantiasis: A condition caused by filariasis, leading to severe lymphedema and swelling, typically in the legs and genital area, including the mons pubis. It's rare in areas without endemic filariasis.
Angioedema: A rapid swelling of the dermis, subcutaneous tissue, mucosa, and submucosal tissues, which can be life-threatening if it involves the airways. It can occasionally present with genital swelling.
Pseudolymphoma: A rare condition that mimics lymphoma but is not cancerous, which can cause swelling and lymphadenopathy, potentially involving the mons area.