25 Causes of Raised Skin Bumps with Pictures and Explanations
Skin bumps can be concerning, especially when they appear suddenly or become painful. This comprehensive guide explores 25 common causes of **raised skin bumps**, supported with pictures and explanations to help you understand each condition better.
1. Acne
Acne is a result of clogged hair follicles with oil and dead skin cells. According to a study in the Journal of Clinical and Aesthetic Dermatology, nearly 85% of adolescents experience acne, which may continue into adulthood. Treatment includes topical retinoids and benzoyl peroxide.
2. Allergic Reactions
Allergic reactions can present as red, itchy bumps known as hives. These occur when the body releases histamines in response to allergens like food or pollen. Antihistamines are commonly recommended for relief.
3. Warts
Warts are caused by the human papillomavirus (HPV) and usually appear on hands and feet. They are contagious and treated with over-the-counter salicylic acid or cryotherapy as documented in The Medical Journal of Australia.
4. Folliculitis
Folliculitis is an infection of hair follicles often curtailed by bacteria or fungi. It appears as white-headed pimples around hair follicles. Mild cases clear up on their own, while severe cases may require antibiotic creams.
5. Cysts
Cysts are sac-like pockets of membranous tissue that contain fluid, air, or other substances. Epidermoid cysts are common, and treatment involves drainage or surgical removal as suggested by the American Osteopathic College of Dermatology.
6. Insect Bites
Insect bites result in immediately raised, itchy welts. Preventing bites with repellents and soothing bites with ice packs help alleviate the symptoms.
7. Dermatitis
Dermatitis can occur from skin irritation from various sources such as harsh soaps or dyes. The Archives of Dermatological Research recommends moisturizers and topical steroids for managing the condition.
8. Keratosis Pilaris
This common condition is identified as **small bumps** on upper arms or thighs and is caused by the buildup of keratin. Regular moisturizing and exfoliation are recommended preventive measures.
9. Molluscum Contagiosum
A viral infection causing smooth, pearly bumps on the skin, molluscum contagious remains self-limited, often resolving without treatment within a year.
10. Lipomas
Lipomas are **soft, fatty lumps** beneath the skin that usually appear on shoulders or back. While benign, removal may be necessary for comfort or cosmetic reasons.
11. Boils
Boils are painful, pus-filled bumps that form under the skin when bacteria infect hair follicles. Warm compresses aid drainage, while severe cases require medical attention.
Conclusion
This illustrative guide is designed to help you recognize different skin bump causes, providing information backed by research. For medical concerns, professional dermatological advice should be sought for diagnosis and treatment.
Understanding skin changes is crucial for taking proactive steps towards maintaining skin health and identifying when to seek medical help.











