Thanks for query,
Due to hormonal
imbalance you get short period again within 2 weeks.
This happens in any ones life if having regular periods as hormonal secretion depends upon various factors like tension ,Anxiety
,Late night working,Shift duty or any pathological reason of ovary.
If you have heavier blood leads to hypotension
or giddiness then ER is the best option but if you do not have giddiness & just heavy bleed then wait for 2-3 days it will stop or decreases.
Then watch for next cycle if still too short you need to consult Gynecologist.