 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  periods), symptoms of a high potassium blood level (such as muscle weakness, slow/irregular heartbeat). This medication may rarely cause serious (sometimes fatal) problems from blood clots (such as deep vein thrombosis, pulmonary embolism, stroke, heart attack). Talk to your doctor about the risks and benefits of this birth control pill. Get medical help right away if you experience: sudden shortness of breath, chest/jaw/left arm pain, unusual sweating, confusion, coughing up blood, sudden dizziness/fainting, pain/swelling/warmth in the groin/calf, tingling/weakness/numbness in the arms/legs, unusual headaches (including headaches with vision changes/lack of coordination, worsening of migraines, sudden/very severe headaches), trouble speaking, weakness on one side of the body, sudden vision changes (such as partial/complete blindness). Get medical help right away if you have any very serious side effects, including: lumps in the breast, severe stomach/abdominal pain, dark urine, yellowing eyes/skin, mental/mood changes (such as new/worsening depression, suicidal thoughts). A very serious allergic reaction to this drug </s>