Allergies, Antihistamines & Drowsiness Spring is here! It is time to put away the heavy coats and break out the sunglasses. But the weather conditions that lead to "spring fever" also give rise to another affliction that affects many of us-hay fever. Hay fever can make those who are sensitive to pollen miserable, interfering with work and play. Fortunately, modern medicine has developed drugs which give temporary relief from hay fever's common symptoms. As users of antihistamines and decongestants know, however, there are side effects to these over-the-counter drugs. The side effects most often experienced is drowsiness. A Gallup survey of allergy sufferers...