Swelling and pain inside the nose when you touch it may be caused by nose boil, nasal vestibulitis, acute rhinitis and other diseases. 1. Nasal boil: Nasal boil is a limited acute purulent inflammation of the hair follicles, sebaceous glands or sweat glands in the nasal vestibule, tip and flanks of the nose, which manifests as redness, swelling, heat and pain in the nasal vestibule, tip or flanks of the nose. With the development of the disease, spontaneous pain occurs. 2. Nasal vestibulitis: Nasal vestibulitis may lead to swelling and pain inside the nose when touched, paroxysmal pain in the affected area, which may be accompanied by a tingling sensation, burning, dryness and other undesirable symptoms in the nasal cavity, and wiping the nose or picking the nostrils will make the symptom more obvious. 3. Acute rhinitis: nasal mucosa congestion and edema, such as blowing the nose with force can appear localized swelling and pain, the patient will appear sneezing, nasal congestion and other discomforts, the nasal cavity will flow a large amount of watery nasal mucus, some patients will have a burning sensation in the nasal cavity. Swelling inside the nose hurts when you touch it, you need to consult a doctor for a clear diagnosis in time to avoid further development of the condition.