Abnormal private parts are not necessarily related to sexually transmitted diseases. Abnormal private parts are related to the following major reasons

Skin damage to the reproductive organs, some of which are symptoms of sexually transmitted diseases, but most are not related to sexually transmitted diseases, and the two must not be confused. Now, let's introduce diseases that are easily confused with sexually transmitted diseases and draw everyone's attention:

1. Allergic diseases

Allergic reaction after taking some drugs, drug and Food allergy with drug rash on penis head, prepuce and other parts may also cause serious edema of prepuce, contact Contact dermatitis with Topical medication, contraceptives and diapers, such as local erythema, papule, blister, erosion, individual female or external Drug allergy

2. Traumatic injury

① Scratches and hematomas caused during sexual intercourse Penile sclerosing Lymphatic vessel. After sexual intercourse, cartilaginous stiff cords appear on the back of the penis or in the Corona of glans penis due to temporary obstruction of Lymphatic vessel vessels. ③ Long lasting sexual intercourse can cause genital edema Impacted phimosis. After the foreskin is flipped over, it cannot be repositioned, causing severe swelling at the end of the foreskin and penis Insect bites can also cause redness, swelling, and blisters in the genital area.

3. Non sexually transmitted infections

When there are coarse and fine bacteria in the lower part of the genitals, it can cause infection of Smegma bacteria and exciting compression spirochetes or fusiform bacteria after 2-3 days of sexual intercourse with acute female genital ulcer, and can also cause erosive foreskin and penis cephalitis.

4. Pre cancer diseases and malignant tumors

If there are white spots, hypertrophic erythema, especially rough keratinization, desquamation, verrucous proliferation, and stubborn ulcers in the genital area, it may be a sign of precancerous lesions or even malignant tumors.

Benign tumor or Neoplasm

Sometimes, slow developing and persistent papules or nodules can be seen at the genital area, with black, yellow, red or skin color. The focus may be pearl penile papulosis, millet papules, melanin nevus, epidermal nevus, superficial Lipoma like nevus, skin endometriosis, Bartholin's cyst, Sebaceous cyst, multiple Lipoma, Lipoma, papillosweat gland tumor, hemangioma, leiomyoma Symptoms such as Fibroma or cutaneous lymphoblastoma.

Other diseases

There are also some diseases with complex causes or unknown causes up to now, which can also lead to Corpus cavernosum penis induration, Plasma cell penis cephalitis, obliterative dry penis cephalitis, mica like and keratinizing pseudodermatomatous penis cephalitis, female vulva atrophy, penis dryness, sclerotic atrophic lichen, Lichen planus, eczema, Seborrhoeic dermatitis, neurodermatitis, psoriasis, pemphigus, Behcet's disease, etc.

Although the above-mentioned diseases are not sexually transmitted diseases, they are easily confused with STD, so it is important to pay attention to the differences.