Redness and swelling of the nose head that hurts when touched may be caused by folliculitis, boils on the nose, and diffuse inflammation of the tip of the nose. 1. Folliculitis: Folliculitis occurs in the vestibule area of the nose, leading to the appearance of localized red follicular papules, resulting in redness, swelling and pain when touching the tip of the nose. 2. Nasal boils: mostly acute skin diseases caused by bacterial infections, which may lead to the appearance of nose head redness, swelling and pain when touched, with the pus cavity of the pressure increases, at any time will be self-broken out of the pus. 3. Diffuse inflammation of the tip of the nose: the local sebaceous glands of the nose secrete exuberantly, too much oil, do not clean in time to lead to excessive accumulation of sebaceous glands, resulting in diffuse inflammation of the tip of the nose, there may be redness and swelling of the tip of the nose and pain when touched. If the redness, swelling and pain when touching the tip of the nose cannot be relieved in time, you should go to the hospital and ask the doctor for a clear diagnosis and treatment to avoid delaying the condition. Daily attention to keep the nose area dry and clean, do not touch or scratch the affected area.