Formication
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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| Formication | |
|---|---|
| File:Tactile hallucination.jpg | |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Sensation of insects crawling on or under the skin |
| Complications | Delusional parasitosis, Anxiety, Sleep disturbance |
| Onset | Can occur at any age |
| Duration | Varies; can be transient or chronic |
| Types | N/A |
| Causes | Substance use disorder, Menopause, Parkinson's disease, Herpes zoster, Fibromyalgia, Lyme disease, Multiple sclerosis, Pesticide exposure, Alcohol withdrawal |
| Risks | Drug abuse, Chronic stress, Hormonal changes |
| Diagnosis | Clinical evaluation, Patient history, Physical examination |
| Differential diagnosis | Scabies, Dermatitis, Neuropathy |
| Prevention | N/A |
| Treatment | Address underlying cause, Antihistamines, Antipsychotics, Cognitive behavioral therapy |
| Medication | Antidepressants, Anticonvulsants |
| Prognosis | N/A |
| Frequency | Common in certain populations, such as those with substance use disorders |
| Deaths | N/A |
Formication is a specific type of tactile hallucination that involves the sensation of insects crawling on or under the skin. This phenomenon is often described as a feeling of "pins and needles" or "creepy-crawlies" and can be associated with a variety of medical conditions and psychological states.
Causes[edit]
Formication can be caused by several factors, including:
- Neurological disorders such as multiple sclerosis or peripheral neuropathy.
- Substance use disorders, particularly with drugs such as methamphetamine or cocaine.
- Menopause, due to hormonal changes affecting the skin.
- Psychiatric conditions like delusional parasitosis or severe anxiety disorders.
- Skin conditions such as scabies or dermatitis.
Symptoms[edit]
The primary symptom of formication is the sensation of insects crawling on or under the skin. This can lead to:
- Intense itching or scratching.
- Skin lesions or sores from excessive scratching.
- Anxiety or distress due to the persistent sensation.
Diagnosis[edit]
Diagnosing formication involves a thorough medical history and physical examination. Healthcare providers may consider:
- Reviewing the patient's medication and substance use history.
- Conducting neurological examinations to rule out underlying disorders.
- Evaluating psychological health to identify any psychiatric conditions.
Treatment[edit]
Treatment for formication depends on the underlying cause. Options may include:
- Discontinuing or changing medications that may be causing the sensation.
- Treating any underlying skin conditions.
- Addressing substance use issues through rehabilitation programs.
- Providing psychological support or therapy for associated mental health conditions.
Prognosis[edit]
The prognosis for individuals experiencing formication varies based on the underlying cause. With appropriate treatment, many individuals can find relief from symptoms. However, chronic conditions may require ongoing management.
