Which birth control side effects require immediate medical attention?

Last updated on January 11, 2022

Contact a doctor immediately, or dial 911 if you experience any of the following:

  • Chest pain, discomfort, or palpitations (feeling of heart beating fast, hard, or irregularly)
  • Sudden back/jaw pain with nausea, sweating, or trouble breathing
  • Sudden dizziness, numbness, or weakness 
  • Sudden confusion, difficulty speaking, challenges in understanding speech, or visual difficulties
  • Sudden difficulty walking, loss of balance, or lack of coordination
  • New leg swelling or achy soreness in leg
  • Bleeding that will not stop or excessive clotting
  • Breathing problems (difficulty breathing, shortness of breath)
  • Coughing up or vomiting blood
  • Fainting or loss of consciousness
  • Feeling of committing suicide or murder
  • Severe mood changes, feeling very depressed or low
  • Sudden, severe headache
  • Headaches that are different, worse, or happening more frequently than usual
  • Aura (seeing flashing, zigzag lines)
  • New rash
  • Severe pain or pressure in your belly or pelvis
  • Yellowing of eyes or skin

These symptoms could be signs of a serious problem. If you are experiencing these symptoms, or any additional symptoms that are unusual or concerning to you, please seek medical attention immediately.

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