An allergen is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body.Such reactions are called allergies.hen an allergen enters the body of an individual that is predisposed to allergies, it triggers an immune reaction and the production of antibodies. These allergen antibodies migrate to mast cells lining the nose, eyes and lungs.
Progestins are synthetic progestogens, medications that have effects similar to those of progesterone. The two most common uses of progestins are for hormonal contraception (either alone or with an estrogen), and to prevent endometrial hyperplasia from unopposed estrogen in hormone replacement therapy.
Gabapentin, or Neurontin, is an anticonvulsant with analgesic properties that is available in capsule, tablet and oral solution. It has a wide range of intended uses, including controlling specific types of seizures in patients with epilepsy, treating postherpetic neuralgia (PHN) and restless leg syndrome.abapentin can also be used to as a pain reliever for those suffering from diabetic neuropathy, which is numbness or pain due to diabetes and subsequent nerve damage. For menopausal women or women being treated for breast cancer, gabapentin can relieve hot flashes.