Anxiety: how to know if it is normal or needs help

HICOA · Mental Health Clinic — Online sessions and in Matosinhos

Short answer: anxiety is normal when it is proportionate to the situation, limited in duration, and does not stop you living. It becomes a health problem when it is close to daily, out of proportion to what triggers it, lasts more than six months, and starts narrowing what you do — what you avoid, what you stop attempting, the rest that disappears.

Everyone feels anxiety. It is an alarm system that exists for good reason: it prepares the body to react. The problem is not the alarm going off — it is going off when there is no fire, and continuing after the danger has passed.

How to tell normal anxiety from an anxiety disorder

There is no home test that gives a diagnosis — that requires clinical assessment. But there are four axes professionals use, which you can apply to yourself as a guide:

• Proportion — does the intensity match what is actually at stake? Nerves before a job interview are proportionate: something important is riding on it. A week without sleep over a work email is not — the reaction is far larger than the problem.
• Duration — normal anxiety rises, serves its purpose and falls. If it persists on most days for six months or more, it has changed category.
• Interference — this is the decisive criterion. Are you avoiding situations? Turning down opportunities? Postponing medical tests, journeys, conversations?
• Distress — even without visible interference, if the internal discomfort is large and constant, it counts.

What are the symptoms of anxiety?

Anxiety does not live only in the head. It shows up in four registers, and many people recognise only one of them:

• In the body — racing heart, tight chest, muscle tension, headaches, digestive problems, difficulty breathing deeply, sweating, trembling.
• In thinking — expecting the worst, replaying past conversations, difficulty concentrating, a sense that something bad is about to happen.
• In behaviour — avoiding situations, procrastinating, repeatedly asking people around you whether everything is fine, or the opposite: filling every minute so as never to stop.
• In sleep — trouble falling asleep with a racing mind, or waking in the early hours with the worry list already running.

It is common for someone to see a doctor about palpitations or digestive problems for months before anxiety is identified. If physical causes have been ruled out and symptoms persist, this is worth considering.

What types of anxiety are there?

"Anxiety" is a generic term. Clinically, several distinct conditions are recognised, and the distinction matters because treatment differs:

• Generalised anxiety — persistent, diffuse worry across several areas of life, hard to control.
• Panic disorder — sudden, intense attacks with strong physical symptoms, followed by fear of their return.
• Social anxiety — intense fear of being judged by others, leading to avoidance of social or exposed situations.
• Specific phobias — disproportionate fear of something concrete: flying, needles, heights, animals.

Does anxiety go away on its own?

Situational anxiety — the kind responding to a concrete event — usually resolves when the situation does. Anxiety disorders do not. They tend to persist or worsen, for a specific reason: avoidance. Avoiding what causes anxiety brings immediate relief and teaches the brain that the thing really was dangerous — which raises the anxiety next time. It is a cycle that feeds itself.

This is why "wait and see" rarely works here, and why effective treatment almost always involves gradually reducing avoidance, with support.

What helps, with evidence

Anxiety disorders are among the conditions that respond best to treatment. The options with solid scientific backing:

• Cognitive Behavioural Therapy (CBT) — the approach with the strongest evidence. It works on the thoughts feeding the anxiety and reduces avoidance gradually and systematically.
• Clinical hypnotherapy — as a complement, it helps regulate the alert response at a deeper level and train states of calm you can reach day to day.
• Medication — appropriate in some cases, assessed by a psychiatrist. It is not first-line for everyone, and the decision is individual.
• Regular physical exercise — with demonstrated effect on anxiety symptoms, though it does not replace treatment in more severe cases.

What you can start doing today

While you decide whether to seek support, three things with immediate effect: breathing with a longer out-breath than in-breath (in for 4, out for 6 — this activates the system that brakes the alarm); grounding in the present, because anxiety lives in the future and the body lives in the now; and naming what you feel out loud or in writing, instead of letting it grow in silence.

None of these treats an anxiety disorder. They are for getting through moments — and that, in itself, has value.

When to seek professional help

It is worth booking an assessment if: anxiety has been close to daily for months; you are avoiding situations you used to handle; it interferes with sleep, work or relationships; you have tried managing it alone without result; or it comes with persistent sadness. And immediately, if thoughts of harming yourself appear.

Seeking help does not require being certain it is "serious enough". A first conversation exists precisely to answer that question.