For me Aspirin takes about three times longer to reach effect compared to Ibuprofen or Paracetamol which "kicks in" after just 15 to 20 minutes. As for getting

For me Aspirin takes about three times longer to reach effect compared to Ibuprofen or Paracetamol which "kicks in" after just 15 to 20 minutes. As for getting rid of a headache they're all equally efficient on me.