antihistamines

Question 1

Clemastine Therapeutic use:

Answer 1

Allergic Rhinitis, Urticaria

Question 2

Diphenhydramine Therapeutic use:

Answer 2

Allergic rhinitis, Allergic conjunctivitis, Urticaria, Motion sickness, Parkinson’s disease, Insomnia, Antitussive

Question 3

Doxylamine Therapeutic use:

Answer 3

Insomnia

Question 4

Side effects: (general for all H1-receptor antagonists)

Answer 4

Sedation, Dizziness, Paradoxical stimulation (esp. in children & elderly), Toxic confusional state, Anticholinergic (e.g., dry mouth), Seizures, Arrhythmias

Question 5

Meclizine, Buclizine, Cyclizine
Diminhydrinate: diphenhydramine + chlorotheophylline
treat

Answer 5

motion sickness

Question 6

Cetirizine Therapeutic use:

Answer 6

Allergic Rhinitis, Urticaria

Question 7

Cimetidine, Ranitidine, Famotadine, Nizatidine Mechanism of action:

Answer 7

H2 antagonists: ↓ stomach HCL

Question 8

Cimetidine, Ranitidine, Famotadine, Nizatidine Therapeutic uses

Answer 8

Duodenal & Gastric ulcers, Gastroesophageal reflux disease (GERD)

Question 9

Cimetidine, Ranitidine, Famotadine, Nizatidine Side effects (rare):

Answer 9

Headache, Fatigue, Diarrhea, Dizziness