Blistering on the back of the head and shoulders was one form of treatment prescribed in Europe for the flu.[1] Paré regarded the common treatments of bloodletting and purgation to be especially dangerous to 1510's flu patients.[1] Supraorbital pain and vision problems were symptoms[2] of coqueluche, so sufferers may have felt tempted to wear hoods due to light sensitivity. Short describes some medicinal treatments for the 1510 flu including "Bole Armoniac, oily lintus, pectoral troches, and decoctions."[3]