What Causes Itchy Bumps That Look Like Mosquito Bites?

Itchy bumps resembling mosquito bites can result from several conditions beyond actual insect bites. Hives (urticaria) are the most common cause, affecting up to 20% of people at some point in their lives, and can be triggered by allergens, stress, or medications. Bed bug bites often appear in clusters or lines and remain itchy for days. Flea bites typically occur on ankles and legs, appearing as small red bumps with central puncture marks. Heat rash develops when sweat ducts become blocked, creating small itchy bumps especially in humid conditions. Contact dermatitis from plants like poison ivy, soaps, or fabrics can also produce similar-looking bumps. Folliculitis, an inflammation of hair follicles, creates small red bumps that may be itchy or tender.

Related Questions

• How can you tell the difference between hives and bug bites?

• What should you do if itchy bumps won't go away?

• When should you see a doctor for unexplained skin bumps?

• What home remedies help with itchy skin bumps?

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