Chamomile tea does it effect birth control pills lessina or interact with it ?

No worries: Drinking typical chamomile tea is not known to interact with or change the effectiveness of birth control pills. Of course, no pills are 100% effective, so there is always a very small chance a woman could become pregnant while using birth control pills, regardless of whether she drinks tea or not. The healthier way to drink tea is without cream, sugar, or sweeteners.