I have had heavy breakthrough bleeding since 3 days, should I be concerned and has anyone else had this before?

normal

Normal side effects

Break through bleeding is a side effect of the birth control. Break through bleeding is completely normal. Break through bleeding can occur at anytime for any length of time no matter how long you have been on your brand. Break through bleeding can be any flow type from light spotting to heavy bleeding. Break through bleeding can last seconds, minutes, hours, days, weeks, months.