A raised, hard, red, swollen bump on one side of the nose can be caused by folliculitis, nasal vestibule cysts, boils and other reasons.
1. Folliculitis: Folliculitis is a disease caused by bacterial infection of the hair follicles, and it occurs in areas with hair and sebaceous gland secretion, including the nose, and the typical symptoms are localized redness, swelling and pain, which may be accompanied by a raised hard bag.
2. Nasal vestibular cysts: Nasal vestibular cysts may be caused by congenital developmental abnormality of the patient, which may be manifested as a raised hard bag on one side of the nose, and in serious cases, it may be accompanied by obstruction of nasal breathing and localized pain.
3. Boils: Nose boils are caused by pathogenic bacteria such as Staphylococcus aureus, infecting a single hair follicle and its surrounding tissues, resulting in acute purulent lesions on one side of the nose, mainly manifested as a small hard bag with localized redness, swelling, heat and pain on one side of the nose.
When the patient appears to have a raised hard bag of redness on one side of the nose, he should consult the doctor in time, under the guidance of the doctor, clear diagnosis for treatment.