Family

What if I forgot to declare something about my health?

The medical questionnaire is daunting: what must I declare, what happens with an honest mistake, and what do I do if I remember something after signing. Answers without evasion.

By AVRASTRO · · 9 min read · updated 17 October 2026

In short

An omission can allow the insurer to refuse or cancel, even without intent. So if you remember something, tell the insurer in writing now, not on the day of a claim.

  • Ask for a copy of the application you signed, with the health answers, and read it.
  • If something is missing or wrong, write to the insurer and keep a copy.
  • When you are not sure whether something matters, declare it. The insurer judges what is material.
  • On a new application, read every answer yourself before signing, even if someone else filled it in.

At a glance

  • The health declaration is the basis of the agreement. An omission can allow the insurer to refuse or cancel, even without intent.
  • When you are not sure whether something matters, declare it. The insurer judges what is material, not you.
  • If you remember something after signing, tell the insurer in writing now. It is far better than the insurer finding out at claim time.
  • You sign the application: read every answer before signing, even if someone else filled it in.

The fear of “I forgot something”

Many people, years after signing, remember a test, a medicine or a doctor’s visit they did not mention. And they wonder whether everything they paid will be lost on the day their family needs it. The fear is serious, and it deserves a serious answer: what the law says as the courts have applied it, and what you can do today.

Why honesty is the best protection

An insurance contract is treated as a contract of utmost good faith. In a case that reached the Supreme Court of Cyprus, as presented by a legal column in the Cyprus Mail, not declaring a condition led to refusal of payment and an end to the cover, and the courts upheld it. According to that account, the contract can be avoided at the insurer’s option even if the omission was a mistake; the duty to disclose lies with the applicant; and what matters is what would have influenced a prudent insurer.

This is one case, as described by a secondary source; it is not a general rule for every situation. But it shows clearly where the risk lies. In the UK data too (not Cyprus), undeclared health conditions were among the main reasons for refusal.

What can happen when you declare something

The fear “if I tell the truth they will refuse me” is understandable, but reality has more options. The insurer may accept you as normal, with an extra premium, with a specific exclusion, postpone the decision, or decline. Whatever the answer, you know where you stand today, not on the day of the claim.

Your questions, one by one

Real people ask these questions, sometimes in anger. We answer them as they are, briefly and calmly.

What if I forgot to declare an illness — will they cancel everything when I die?

An omission can allow the insurer to refuse or cancel, depending on how material it was. The best thing you can do is declare it in writing now. The insurer may change the terms or the premium, but then you know where you stand, and your family will not discover it at the worst moment.

The agent filled in the health form for me and just said ‘tick no’. Who is responsible now?

You sign the application, and according to what the courts have held, the duty to disclose lies with the applicant. Ask for a copy of the application, check every answer and, if something is wrong, write to the insurer to correct it. If an intermediary told you to give an answer that is not true, you can complain.

Do I need to declare a condition my doctor suspected but never confirmed?

If the question asks about symptoms, tests or a doctor’s advice, a suspicion that led to a test probably falls under it. When you are not sure, declare it and explain that it was not confirmed. It is always safer to say more.

Do I have to declare depression, anxiety or therapy sessions?

If the questionnaire asks about mental health or treatment, yes. Mental health is health, and declaring it does not automatically mean refusal. Describe accurately what it was, when, and whether it continues.

Do I have to say I smoke occasionally or use e-cigarettes?

Yes, if the application asks about smoking, and it usually does. Occasional smoking and e-cigarettes often count the same as smoking. A wrong answer here is one of the easiest to prove later.

What counts as a ‘material fact’ that I must disclose?

Material is whatever would influence a prudent insurer on whether to accept you or at what premium, as described in the Supreme Court case. In practice: whatever the questionnaire asks, and anything important about your health that was not asked directly. If in doubt, declare it.

If I made an honest mistake on the form, can they still refuse to pay?

It can. In the case described, the court held that the contract could be avoided even if the omission was a mistake. So if you find an error, correct it in writing now. An error corrected in time is very different from one found after a death.

Can the insurer check my medical records after I die?

In usual practice, the application includes an authorisation for the insurer to request medical information, and in a death claim the family usually provides medical documents. Check what you signed in the application. That is why a full declaration from the start matters so much.

What should I do now if I realise I left something out of my application?

Write to the insurer, describe what you left out and when, and keep a copy of the letter and the reply. The insurer may ask for information or change the terms or premium. Do not stop the policy or buy a new one before you have a reply.

Is there a time after which the insurer can no longer question my application?

We could not find a general time limit in Cyprus law after which an insurer can no longer rely on non-disclosure. Some policies may have their own clause; check your terms. Until you have confirmed it, an honest declaration is your protection.

Do I need to declare my family’s medical history, like a parent’s cancer?

If the questionnaire asks about family history, yes, answer with what you know. If you are not sure about something, say you are not sure rather than guess.

Do I need to declare that I am on a waiting list for tests?

Yes, if the application asks about pending tests or referrals, and it usually does. The insurer may wait for the results before deciding. That is better than a policy that can be questioned later.

If I tell the truth they will refuse me or charge me double. Why not keep quiet?

They may charge you more or add an exclusion; they may not. But if you keep quiet, the risk moves to your family, who may be left without money at the worst moment. A dearer policy that pays has value; a cheap one that can be challenged does not.

Do I need to declare a change in my health after the policy has started?

Usually the declaration covers your health until the policy starts. Changes after it starts usually do not need to be declared, unless the terms require it or you ask to increase the cover. Check what your own terms say.

Do I need to declare dangerous hobbies like diving, motorbikes or flying?

If the application asks about hobbies or activities, yes. A declaration may lead to an extra premium or an exclusion for that activity, but then you know exactly what is covered.

The questions on the form were vague — how can they blame me for not answering ‘correctly’?

If a question seemed vague, the safest course was to write more or ask in writing. If you believe the question never asked what you are now blamed for, that is an argument you can raise in a complaint and with the Financial Ombudsman. From now on, ask for an explanation before you sign.

Can I get a copy of my signed application to check what was written?

Yes, ask the insurer for it in writing. It is one of the most useful documents you can have, because it shows exactly what was declared. Keep it with the policy.

Does the insurer have to prove I hid something on purpose?

According to the Supreme Court case as described, not necessarily: the contract can be avoided even without intent, if the omission was material. Each case is judged on its own facts, and for a specific dispute legal advice is worthwhile.

Why does the insurer ask so many personal questions?

Because the premium and the decision to accept you rest on the risk the insurer takes on. The law also requires the distributor to understand your demands and needs before proposing anything. Health details are sensitive data; ask how they will be used and who sees them.

What about a condition I had years ago and fully recovered from?

If the question asks “have you ever” or about a period that includes it, declare it, noting that you recovered fully and when. A full recovery often counts in your favour, but the insurer decides.

If I disclose everything honestly, am I then fully protected?

An honest declaration removes the most common reason for refusal, but it does not mean everything is covered. The policy’s definitions and exclusions still apply, and premiums must be paid. Read those too.

What you can do from today

  • Ask the insurer for a copy of the application you signed, with the health answers.
  • Read every answer. If something is missing or wrong, write to the insurer and keep a copy.
  • On a new application, fill in or at least read the health questions yourself before you sign.
  • When unsure, write more: dates, doctor, treatment, whether it continues.
  • Do not cancel an old policy for a new one without knowing whether the new one will exclude something you already have.

Every policy has its own terms. What we write here is general information, not advice; for your own case, what your policy says applies, and it is worth confirming it in writing with your insurer.

Read also: The health declaration: why honesty protects you · Will the insurer really pay my family? · Waiting periods, exclusions, pre-existing conditions · All the questions you are afraid to ask

If you would like a second look, book an appointment with an advisor and bring your policy and your questions. You will go through them together, with no obligation.

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This article is for information. Figures apply at the publication date and may change; talk to an advisor about your own situation.

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Giannis Farazis

Your advisor, Giannis Farazis
Life-insurance advisor, ICCS reg. no. 7854

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