Neuro - Alzheimers, huntingtons, migraine Flashcards
Memantine (mech , tox)
Alzheimers:
Mech: NMDA receptor antagonist; helps prevent excitodocity mediated by Ca++
Tox: dizziness, confusion, hallucinations
Donepizil, Galantamine, Rivastigmine, Tacrine
Alzheimers:
Mech: AChE inhibitors
Tox: nausea, dizziness, insomnia
Tetrabenazine and reserpine
Huntingtons:
Mech: VMAT inhibitors; limit dopamine vesicle packageing and release
Haloperidol
Huntingtons
D2 Receptor antagonist
Triptans (sumotriptan) mech
5Ht 1B/1D agonist.
Inhibit trigeminal nerve activation; prevent vasoactive peptide release; induce vasoconstriction
Triptans (sumotriptan) use
Acute migraine, cluster headaches
Triptans (sumotriptan) AE
Coronary vasospasm (contrainindicated in patients with CAD or Prinzmetal angina)
Mild paresthesia