Promising news for people with long COVID may have arrived in a new case report, as two people report that their symptoms were almost completely relieved by taking common over-the-counter antihistamines. Authors of the new paper express that while the evidence thus far is anecdotal and based on a very small sample size, it’s a worthy avenue of investigation considering that – for most people – antihistamines are safe to take on a daily basis. “Patients tell us they wish more than anything that they could work and do the most basic activities they used to before they got sick...