April 20, 2013 - Updated 1925 PKT
...Researchers quizzed (click here) almost 4,000 runners who took part in the 2010 Bonn Marathon and Half-Marathon about their use of medication and any symptoms they had during or after the race.
Almost half of them took analgesics before racing to curb or ward off pain.
Half of the drugs, including diclofenac, ibuprofen and aspirin, were bought over the counter without a prescription.
Researchers found that runners who used painkillers had a 13 per cent increased risk of "adverse events" including pain, muscle cramps and intestinal cramps....
