Jegou said the findings do not in any way discourage the use of ibuprofen when it is needed. During the study, the researchers found that men who took 1,200 milligrams of ibuprofen in a day for six weeks, they can be affected by a hormonal condition and that can further lead to productive problems in men. This indicates that they had developed a condition called "compensated hypogonadism", which happens when testosterone production is reduced, but the body is able to compensate by increasing LH levels, the researchers said. "These compounds are good painkillers, but a certain amount of people in society use them without thinking of them as proper medicines".
While previous research had already demonstrated that foetal exposure to ibuprofen and other analgesics (like aspirin and paracetamol/acetaminophen) could be harmful, less was known about its potential effects on adult men.
The study shows that it has a negative impact on the testicles of young men, altering their sex hormone production and affecting their reproductive health.
In March of past year Jiri Dvorak, Fifa's former chief medical officer, warned of an "alarming trend" among elite football players to "abuse" legal painkillers such as ibuprofen.
The authors concluded that "we report a univocal depression of important aspects of testicular function, including testosterone production, after use of over-the-counter ibuprofen".
As it relieves pain, ibuprofen may also diminish male fertility, according to a small but compelling new study. In the men receiving ibuprofen, levels of luteinizing hormone were up, and the ratio of testosterone to luteinizing hormone dropped.More news: Saints defeat Panthers for the third time this season
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However, Kristensen emphasises that despite the results of the study, men should not stop taking the drug. But users should take care not to make a habit of popping the painkillers at high doses for lengthy periods of time. Prior studies have linked excessive use of Ibuprofen to an increased risk of heart attack.
However, for men, it could compromise their ability to procreate, a new study suggests.
After 14 days blood tests showed that there was an 18% decrease in testosterone in those taking ibuprofen.
While taking ibuprofen for short-term aches and pains poses no problem, the research team warned against using the painkiller for months at a time unless absolutely necessary.