Is ibuprofen an antimicrobial?

Ibuprofen is not classified as an antimicrobial, it is a nonsteroidal anti-inflammatory drug, NSAID, that relieves pain, reduces fever, and decreases inflammation, but does not directly kill bacteria, viruses, or fungi. Its main mechanism is blocking COX-1 and COX-2 enzymes that produce prostaglandins which cause pain and inflammation. However, there has been some laboratory research showing that ibuprofen and other NSAIDs have weak antimicrobial properties at high concentrations in test tubes, such as inhibiting growth of some Staphylococcus aureus and Escherichia coli and potentially disrupting biofilms, but these concentrations are far higher than what is achieved safely in the human body with normal doses, so it cannot be used to treat infections. Taking ibuprofen for a bacterial infection may reduce fever and make you feel better temporarily, but it does not eliminate the bacteria, and in some cases masking fever can delay recognition of worsening infection. For bacterial infections, you need true antimicrobials like antibiotics prescribed by a doctor, which kill bacteria by targeting cell walls or protein synthesis. Ibuprofen can be used alongside antibiotics to manage symptoms like headache and muscle ache, but should not be relied on alone to cure infection. Overuse of ibuprofen can irritate stomach lining, affect kidneys, and increase bleeding risk, so use lowest effective dose with food and good hydration.