41. DECONGESTANTS _ These drugs ( pseudoephedrine and phenylpropalomine ) are sold without a prescription.42. It was morning, and the nasal passages of my mind needed a decongestant . 43. In effect, they invented the first decongestants . 44. Tests can distinguish between methamphetamine found in decongestants and the stronger form requiring prescription. 45. Semprex-D also contains the decongestant pseudoephedrine. 46. Ephedrine is found in many decongestants used to treat asthma, hay fever and allergies. 47. Used to an extreme, nonsaline decongestant sprays can cause severe hayfever-like symptoms. 48. Decongestants constrict these vessels to provide relief.49. The most common are antihistamines and decongestants . 50. Ganley noted that for patients taking decongestants , there was an alternative ingredient, pseudoephedrine.