Is this normal to have irregular bleeding, including spotting and bloody discharge for 30 days without stop as side effect of pill? Taking for endo

No. Seer your doctor. May have to change pills.
Irregular periods. Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections ; hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test. There are many options available to help regulate the menstrual cycle. Schedule a visit.