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In rare cases, itchy skin at night can be a sign of more serious conditions or those that require treatment.
medications, including antibiotics, antifungals, statins, and opioid analgesics (narcotics).allergic reactions to chemicals, dyes, or fragrances.insect bites, including those from bed bugs, lice, flies, or fleas.Share on Pinterest Bed bugs may cause nighttime itchiness. Other common causes of nighttime itchiness include: Some menopausal women describe the sensation to feel like ants crawling under their skin. water loss from the skin (sweat), leading to dehydrationĬhanges in the level of the hormone estrogen may cause dryness, itchy skin, or flushed skin.
disrupted prostaglandin (PG), hormones that cause blood vessels to widen. decreased corticosteroid, hormones that help reduce inflammation. increased cytokine, molecules that coordinate cells communication during immune responses, which may increase inflammation. The circadian rhythm causes few different fluctuations or changes that can increase nighttime skin itchiness. The body regulates hormones and chemicals in part by using a circadian rhythm, which is the body’s natural 24-hour cycle. Natural causes of nighttime itchiness include: Circadian rhythm But nighttime itchiness may also be a sign of more serious health conditions. In some cases, the skin may only feel itchier during the night because of a lack of outside distractions. The natural cycling of certain hormones, molecules, and chemicals that occur in the body during the night can also cause itchiness. Like many other skin conditions, skin itchiness may increase at night.