Internal tremors are a unique sensation of shaking or vibration felt inside the body, distinct from visible physical movements. They cannot be observed by others, making them challenging to describe and for healthcare professionals to assess. While not life-threatening, these tremors can be unsettling and impact an individual’s sense of well-being.
Understanding Internal Tremors
Internal tremors manifest as sensations like buzzing, vibrating, quivering, or a general shaky feeling deep within the body. Unlike external tremors, which involve visible, involuntary movements, internal tremors are purely a felt experience. Individuals often perceive these sensations in areas such as the chest, abdomen, arms, or legs. Their intensity can vary from subtle to pronounced.
These internal vibrations can occur sporadically or constantly, often noticed more prominently at rest or when lying down. This internal “quake” can create a disorienting sensation, as the body appears calm externally while feeling turbulent inside. Though not causing physical shaking that interferes with tasks, the internal sensation can still be disruptive. These characteristics help differentiate internal tremors from other involuntary movements.
Underlying Causes
Internal tremors can stem from various medical conditions, often involving the nervous system. Neurological disorders like Parkinson’s disease, multiple sclerosis (MS), and essential tremor are frequently linked to these sensations. These tremors are thought to arise from neurological irregularities that cause visible tremors, but the shaking is too subtle to be seen.
Beyond neurological conditions, other factors can contribute to internal tremors. High levels of stress and anxiety can trigger or worsen these sensations by activating the body’s stress response. Certain medications, especially those that stimulate the nervous system, or withdrawal from substances like alcohol can also induce internal trembling. Metabolic imbalances, such as thyroid issues or low blood sugar, may also manifest with these internal vibrations. Inflammation, infections, and some vitamin deficiencies have been suggested as potential causes.
Persistent symptoms following infections, such as long COVID, are a newer area of consideration where internal tremors have been reported. These sensations can accompany other symptoms like tingling, numbness, or fatigue, providing clues to their origin. Identifying the specific cause is crucial, as treatment strategies are tailored to the root condition.
Diagnostic Approaches
Healthcare professionals diagnose internal tremors by investigating potential underlying causes. The process begins with a comprehensive medical history, where the doctor inquires about the tremors’ nature, frequency, intensity, and any accompanying symptoms. A thorough physical examination follows, including a neurological assessment. This assessment evaluates reflexes, muscle strength and tone, balance, coordination, and overall movement patterns.
Several diagnostic tests may be ordered to rule out various conditions. Blood tests can identify metabolic issues like thyroid dysfunction, electrolyte imbalances, or vitamin deficiencies. Imaging scans, such as MRI of the brain and spinal cord, may detect structural abnormalities or lesions associated with neurological disorders like multiple sclerosis. Nerve conduction studies or electromyograms (EMG) might also be performed to assess nerve and muscle function. These diagnostic steps aim to pinpoint the specific condition responsible for the internal tremor, guiding appropriate management.
Treatment and Management
Treatment for internal tremors is individualized, focusing on addressing the specific underlying cause identified during diagnosis. If a neurological condition like Parkinson’s disease or essential tremor is the culprit, management involves therapies aimed at that disorder. For Parkinson’s-related tremors, medications that increase dopamine or mimic its effects may be prescribed. Essential tremor may be managed with medications such as beta-blockers or anticonvulsants.
Lifestyle adjustments can also help manage internal tremors, especially when stress or stimulants are contributing factors. Reducing stress through techniques like mindfulness or deep breathing, and avoiding substances like caffeine, can mitigate symptoms. If medication side effects are suspected, a healthcare provider may adjust dosages or explore alternative prescriptions. Physical therapy can also be beneficial, helping individuals gain better muscle control and manage movement-related challenges. For severe cases, advanced interventions like deep brain stimulation (DBS) might be considered for certain neurological conditions.
When to Consult a Doctor
Consulting a doctor is advisable when experiencing internal tremors, especially if they are new or worsening. Seek medical attention if tremors significantly interfere with daily activities or quality of life. Immediate medical evaluation is warranted if internal tremors are accompanied by other concerning symptoms, including weakness, dizziness, difficulty speaking, vision changes, or problems with balance and coordination.
A medical professional can conduct a thorough assessment to determine the tremors’ cause and recommend an appropriate course of action. Self-diagnosis is not recommended due to the wide range of potential underlying conditions. Keeping a detailed log of when tremors occur, what they feel like, and any associated symptoms can be helpful information to share during a medical consultation.