Recreational drug use are caused by an excessive response of the body to allergens, such as the pollen released by grasses and trees. An allergic reaction causes release of histamine by the body. Other uses of antihistamines are to help with normal symptoms of insect stings even if there is no allergic reaction. Their recreational appeal exists mainly due to their anticholinergic properties, that induce anxiolysis and, in some cases such as diphenhydramine, chlorpheniramine, and orphenadrine, a characteristic euphoria at moderate doses. High dosages taken to induce recreational drug effects may lead to overdoses. Antihistamines are also consumed in combination with alcohol, particularly
Double Allergic space. Powderfinger spent less money producing "Double Allergic" than on their previous works. Previously, the band had worked with Tony Cohen, whom Fanning stated was expensive due to his success in the industry. For "Double Allergic" the band chose Tim Whitten, a less well known producer, and because the band knew what they intended to do as they entered the studio they managed to spend less despite the improved sound. Middleton commented on Whitten's capabilities in the recording studio, saying "He's what a band looks for in a producer/engineer, because he's got his own ideas", but stating that Whitten would