In addition to taking antihistamines, take multi-vitamins to boost your immune system during allergy season. 1  Cetirizine. Also known as Zyrtec, this is the best antihistamine available. 2  Loratadine. Also known as Claritin or Talavert. 3  Diphenhydramine. Also known as Benadryl.  Chlorphenamine.
Figure 7. How neurotransmitters work, part 1. Chemicals called neurotransmitters are responsible for transmitting nerve impulses across the synapse from one nerve cell to another, or from one nerve cell to a target organ or gland.
Neurotransmitters and Neuroactive Peptides. Communication of information between neurons is accomplished by movement of chemicals across a small gap called the synapse. Chemicals, called neurotransmitters, are released from one neuron at the presynaptic nerve terminal.ommunication of information between neurons is accomplished by movement of chemicals across a small gap called the synapse.