What determines the effectiveness of the drug therapy?

Select one of the drug classifications and post discussion board responses on:
a. Drug classification
b. List of common medications under the class-generic and trade names
c.
d. Select a prototype drug of the classification and discuss:
a. Indication or Therapeutic action for disease states
b. Mechanism of Action
c. Pharmacokinetics: ADME (Absorption, Distribution, Metabolism & Excretion)
d. Available forms, dosage ranges and factors that shape dosage ranges
e. Contraindications/Precautions
f. Side/Adverse Effects: Preferably by systems noting most frequent and life-threatening effects
g. Nursing interventions and client teaching including labs and antidotes where applicable
h. Evaluation: What determines the effectiveness of the drug therapy (minimum of 3 factors)

Drug Classifications:
1. Antihistamines
2. Antiglaucoma agents
3. Antitussives/Expectorants
4. Narcotic Analgesics
5. Non-Narcotic Analgesics
6. Neuromuscular blocking agents-anesthesia
7. Neuromuscular blocking agents-light anesthesia
8. Adjuvants-Antiepileptic, Antispasmodic, adjuvant anesthesia