Imbalance
A sense of unsteadiness or being off-balance
Quick Facts
- Type: Neurological / inner-ear symptom
- Common causes: Inner-ear disorders, nerve problems, medications
- Often paired with: Dizziness, vertigo
- Seek urgent care: Sudden imbalance with stroke signs
Overview
Imbalance is the sense of being unsteady on your feet or feeling that you might tip over or fall. It can show up as swaying while standing, veering or staggering when walking, or difficulty turning and changing direction. Unlike dizziness, which is a feeling inside the head, imbalance is mainly about how steady the body feels.
Staying balanced depends on smooth teamwork between the inner ears, the eyes, the nerves that sense position in the feet and joints, and the brain that coordinates them all. A problem in any of these systems can lead to unsteadiness. Imbalance is more common with age, but it can affect anyone and should be checked when it is new, persistent, or causing falls. Because several different systems work together to keep us upright, the body can often compensate when one of them is slightly off, which is why imbalance may come and go or feel worse in the dark, on uneven ground, or when tired.
Common Causes
Imbalance can stem from several systems in the body:
- Inner-ear disorders: Conditions such as labyrinthitis, vestibular neuritis, benign paroxysmal positional vertigo, and Meniere's disease.
- Nerve problems: Reduced sensation in the feet from nerve damage affects steadiness.
- Brain conditions: Stroke, problems in the cerebellum, or other neurological disorders.
- Medications and alcohol: Some drugs and alcohol impair balance.
- Low blood pressure or vision problems: Feeling unsteady on standing, or poor eyesight.
- Muscle weakness and joint problems: Especially in older adults.
- Dehydration or low blood sugar: Which can make a person feel generally unsteady and faint.
Often more than one factor is involved, particularly in older people, where a combination of reduced vision, slower reflexes, and weaker muscles can add up to noticeable unsteadiness.
Associated Symptoms
The symptoms accompanying imbalance help locate the cause:
- Dizziness or a spinning sensation (vertigo)
- Hearing loss, ringing in the ears, or ear fullness with inner-ear causes
- Numbness, tingling, or muscle weakness with nerve or brain causes
- Tremor or difficulty coordinating movements
- Nausea or vomiting
- Sudden warning signs such as slurred speech, facial droop, or arm weakness (possible stroke)
Diagnosis & Evaluation
A clinician will ask when the imbalance started, what makes it better or worse, and what other symptoms are present, then examine balance, walking, the ears, eyes, and nervous system.
- Balance and coordination tests: Watching standing and walking, and simple bedside checks.
- Hearing and inner-ear tests: If an ear cause is suspected.
- Blood tests: To look for contributing conditions.
- Brain imaging: Such as an MRI scan if a brain or nerve cause is possible.
- Medication review: To identify drugs that may impair balance.
Treatment & Management
Treatment is directed at the cause and at reducing the risk of falls.
- Treating inner-ear causes: Repositioning manoeuvres, vestibular rehabilitation exercises, or specific medicines.
- Balance physiotherapy: Exercises that retrain the balance systems and strengthen muscles.
- Reviewing medicines: Adjusting drugs that contribute to unsteadiness.
- Managing underlying conditions: Such as nerve, blood pressure, or vision problems.
- Fall prevention: Good lighting, removing trip hazards, suitable footwear, and aids such as a stick or frame where needed.
Self-Care & Prevention
Whatever the cause, steps to improve steadiness and reduce falls are valuable:
- Stay active: Regular exercise, including balance and strengthening activities such as tai chi or simple standing exercises, helps maintain steadiness.
- Make your home safer: Remove trip hazards and loose rugs, improve lighting, and add grab rails where helpful.
- Wear supportive footwear: Well-fitting, flat shoes with good grip improve stability.
- Look after your eyes and ears: Keep eyesight checked and treat ear problems, as both feed into balance.
- Rise slowly: Standing up gradually reduces unsteadiness from drops in blood pressure.
- Review medicines and alcohol: Ask your doctor about any drugs that affect balance, and limit alcohol.
If you use a walking aid, ensure it is the right type and height for you.
When to See a Doctor
Call emergency services immediately if imbalance comes on suddenly with any sign of stroke:
- Face drooping on one side
- Weakness or numbness in an arm or leg
- Slurred or muddled speech
- Sudden severe headache, double vision, or loss of consciousness
See a doctor promptly for imbalance that is new, persistent, worsening, causing falls, or coming with hearing loss, severe dizziness, or neurological symptoms.
Frequently Asked Questions
What is the difference between imbalance and dizziness?
Imbalance is mainly a sense of unsteadiness in the body, as though you might tip or fall, while dizziness is a sensation inside the head such as lightheadedness or spinning. The two often occur together, especially with inner-ear problems.
What causes a sudden loss of balance?
Sudden imbalance can be caused by inner-ear disorders, but it can also be a sign of stroke, especially with face drooping, arm weakness, or slurred speech. Sudden, severe, or unexplained imbalance, particularly with these signs, needs emergency assessment.
Can medications cause imbalance?
Yes. Many medicines, including some for blood pressure, sleep, anxiety, and seizures, can cause unsteadiness, as can alcohol. If you notice new imbalance after starting a medication, ask your doctor to review it rather than stopping it suddenly.
How can I reduce the risk of falling?
Keep your home well lit and free of trip hazards, wear supportive footwear, and use aids such as a stick or frame if advised. Balance exercises and treating the underlying cause also help. See a doctor if you are having falls or persistent unsteadiness.
References
- Mayo Clinic. Balance problems — Symptoms and causes.
- MedlinePlus, U.S. National Library of Medicine. Balance problems.
- National Institute on Deafness and Other Communication Disorders (NIDCD). Balance Disorders.