Methamphetamine use can result in physical consequences, one of the most common being the development of skin lesions known as “meth sores.” These sores form on the skin due to a combination of the drug’s physiological effects and the user’s behavior. They serve as a visible indicator of chronic use and represent a serious medical concern requiring professional attention. Addressing these skin wounds involves both immediate medical care and long-term treatment for the underlying substance use disorder.
What Meth Sores Look Like
Meth sores appear as various types of skin damage, often visible in multiple stages of healing across the body. The lesions frequently begin as small bumps or excoriations, which are areas where the skin has been broken by scratching or picking. These wounds can be open, raw, and weeping fluid, or covered by a thick, reddish-brown crust or scab.
Commonly affected areas include the face, neck, arms, and chest, largely because these spots are easily accessible for compulsive manipulation. Sores range in size from tiny pinpricks to larger, ulcerated patches, sometimes resembling severe acne, rashes, or burns. A person may exhibit fresh, acutely inflamed wounds alongside older, darker, or discolored patches of scarred tissue.
The appearance of these sores is often exacerbated by poor wound care, which can lead to secondary bacterial infections. When infection sets in, the wounds may become swollen, red, and filled with pus, significantly delaying the natural healing process. The continuous cycle of injury, infection, and re-injury is what often causes the extensive and permanent scarring associated with chronic meth use.
How Meth Use Leads to Skin Damage
The formation of meth sores is a complex process driven by specific neurological and physiological effects of the drug. One of the primary psychological mechanisms is formication, a tactile hallucination where the user experiences the sensation of insects crawling on or under their skin. This intense, persistent sensation is often referred to colloquially as “meth mites.”
In an effort to remove the perceived insects, the user engages in compulsive, repetitive skin-picking and scratching, known as excoriation. This aggressive manipulation creates the initial open wounds and lesions, tearing the skin barrier and leaving the tissue vulnerable to environmental pathogens. The repetitive nature of this behavior prevents even minor wounds from scabbing over and healing properly.
Methamphetamine is a powerful vasoconstrictor, meaning it causes blood vessels throughout the body to narrow significantly. This physiological effect drastically reduces blood flow, oxygen, and nutrient delivery to the skin tissue. Compromised circulation starves the skin cells of the resources necessary for repair, which severely slows the body’s natural wound healing capacity.
When coupled with the trauma from picking, restricted blood flow makes the wounds slow to close and highly susceptible to infection. Chronic meth use often leads to neglect of basic self-care, including poor hygiene, malnutrition, and dehydration. These secondary factors compromise the skin’s integrity and weaken the overall immune response. A suppressed immune system struggles to fight off bacteria that enter the open sores, increasing the risk of severe infections like cellulitis or antibiotic-resistant strains such as MRSA.
Medical Treatment and Healing
Effective management of meth sores requires a dual approach: treating the acute wounds and addressing the underlying cause of the substance use. The first step in wound care involves meticulous cleaning of the lesions to remove debris and reduce the bacterial load. This usually entails using mild soap and water or a sterile saline solution.
Medical professionals will often prescribe topical antibiotic ointments to prevent or treat localized bacterial infections within the open wounds. If the infection has progressed deeper into the skin or shows signs of systemic spread, oral or intravenous antibiotics may be necessary to resolve the issue. Sterile, non-adherent dressings are then applied to protect the wounds, provide a moist environment conducive to healing, and physically block the user from picking at the injury.
In addition to direct wound care, supportive measures like nutritional supplementation and fluid replacement are administered to bolster the body’s healing capacity. Sustained healing and the prevention of new sores ultimately depend on stopping the use of methamphetamine, which eliminates the formication and reverses the vasoconstriction. Dermatological consultation may be required later to manage long-term complications, such as significant scarring or hyperpigmentation, after the active wounds have closed.

