A: Travel insurance will cover the unexpected loss that you face while travelling. In case you have a pre-existing medical condition which cause you to seek medical attention or to claim for any interruption or cancellation of the trip then these conditions might not be covered. However before your insurance date, if your pre-existing condition is stable over a certain period of time then Insurance Company may consider for covering the per-existing condition. This 'stable period' varies slightly from one company to another. Each company has their own medical questionnaire and you need to fill in the answers, here the stable period may vary from 120 to 365 days depending on the company. Certain conditions, even if they are stable for a longer period, like Cardiovascular, lung disease, diabetes or cerebral vascular will be excluded. The terms of policy of the each supervisa insurance canadiancompany provides all these definitions clearly.