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Bipolar Disorder: Manic and Depressive Episodes, Symptoms and Treatment

What is Bipolar Disorder?

Bipolar disorder is a mental health disorder characterised by significant changes in mood, energy and behaviour. The person alternates between periods of mania or hypomania (state of euphoria or agitation) and depression (deep depressive state).
These episodes can affect work, relationships and the ability to make decisions

Bipolar disorder is not “ordinary mood swings”

Unlike normal emotional fluctuations, bipolar disorder involves intense episodes, persistent over time and with a major functional impact.

Types of Bipolar Disorder

Bipolar Disorder Type I

It is characterised by severe manic episodes that may require hospitalisation, with or without depressive episodes.

Bipolar Disorder Type II

It is characterised by episodes of hypomania (milder mania) alternating with intense depressive episodes.
There is no complete mania, but the depression tends to be marked.

Cyclothymia

Milder form, with prolonged periods of hypomanic and depressive symptoms, but without meeting the criteria for full-blown episodes.

What is a Manic Episode?

Symptoms of mania

  • Feeling of extremely high energy
  • Euphoria or intense irritability
  • Reduced sleep with little fatigue
  • Rapid speech and quick thinking
  • Impulsivity, risky behaviour (excessive spending, sexual impulses, risky decisions)
  • Great self-esteem or a feeling of invincibility

Hypomania vs Mania

In hypomania, The symptoms are similar but less intense and do not cause complete loss of function or the need for hospitalisation.

What is a Depressive Episode?

Symptoms of depression in bipolar disorder

  • Persistently sad or empty mood
  • Loss of interest in usual activities
  • Sleep disorders (insomnia or oversleeping)
  • Constant fatigue
  • Feeling of worthlessness or guilt
  • Negative or suicidal thoughts
  • Difficulty concentrating

Causes and Risk Factors

Factors influencing bipolar disorder

  • Genetics (family history is an important factor)
  • Chemical changes in the brain
  • Stressful or traumatic events
  • Sleep deprivation
  • Consumption of alcohol or drugs

It's not caused by a “lack of willpower” or a weak personality.

How is the diagnosis made?

The diagnosis is clinical and made by a psychiatrist.
Includes:

  • Detailed clinical interview
  • Mood and behaviour history
  • Exclusion of other medical conditions
  • Risk assessment (e.g. severe impulsivity or suicidal ideation)

The importance of early diagnosis

The sooner treatment begins, the better the symptom control and prognosis.

Treatment for Bipolar Disorder

Medication (basis of treatment)

Treatment is usually with

  • Mood stabilisers
  • Atypical antipsychotics
  • Antidepressants (use with caution)

The medication should be monitored by a doctor and adjusted over time.

Psychotherapy

  • Cognitive Behavioural Therapy
  • Psychoeducation
  • Family and support therapy

Lifestyle

  • Regular sleep routine
  • Physical exercise
  • Avoid alcohol and drugs
  • Stress management strategies

Living with Bipolar Disorder: Prognosis and Recovery

Bipolar disorder is chronic, but treatable.
With appropriate counselling, many people manage to live with emotional stability and maintain their academic, professional and personal lives.

The key to good results

  • Continuous treatment
  • Regular follow-up appointments
  • Early recognition of signs of relapse
  • Adherence to the therapeutic plan

When should you seek help urgently?

Seek immediate help if available:

  • Suicidal thoughts
  • Severe impulsive behaviour
  • Severe insomnia with intense agitation
  • Loss of contact with reality

With a correct diagnosis, medical follow-up and ongoing support, it is possible to stabilise mood, reduce relapses and live a full and functional life.

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Dr Alexandra Azevedo

Training: University of Barcelona
No. of doctors: 71409

Biography

Dr Alexandra Azevedo graduated in Medicine from the University of Barcelona in 2015, where she subsequently specialised in General Practice. During her training, she developed a strong interest in the approach to chronic pain, having completed an integrated master's degree in Medicine and Surgery with clinical research into pain management. Her professional experience includes several years of clinical practice in Spain, particularly in Catalonia, where she has had contact with a wide variety of pathologies and challenges, both in the emergency department and in primary healthcare.

She currently works as a family doctor at the ULS Braga. She has been a member of the medical-surgical emergency team at Vila Nova de Famalicão Hospital and has worked as a guest lecturer at the Nursing School of the University of Minho, teaching anatomy and physiology of the circulatory, respiratory and digestive systems.

Her main clinical interests include emergency medicine, chronic pain, depression and anxiety, as well as preventive medicine and the control of vascular risk factors. She is also dedicated to anti-smoking counselling and weight loss counselling, helping her patients to adopt healthier lifestyle habits. Her approach to care is based on a holistic vision, considering health as a balance between physical and psychological well-being.

Dr Alexandra stands out for her humanism and her ability to offer quick and effective solutions to minor problems, ensuring that her patients feel well looked after. At Médico na Net, she sees an opportunity to bring healthcare to more people in an accessible and convenient way.

Passionate about music and travelling, she loves getting to know different cultures and lifestyles, which enriches her view of the world and her medical practice. For her, medicine is not just a profession, but a real commitment to the well-being of the people she cares for. As she likes to say: "Health is the balance between physical and psychological well-being.