1. Who is guaifenesin contraindicated in?

pregnant and lactating women

2. What is the prototype antitussive?

dextromethorphan , a non addictive opioid analog

3. What are the actions of dextromethorphan?

surpresses cough reflex, respiration, cilliary action

4. What are the indications of dextromethorphan?

for use in non productive coughs (those that aren't bringing up any mucus)

5. Who is dextromethorphan contraindicated in and used with caution in?

contraindicated in asthma and COPD patients (where the cough is used to keep airways pen) and used in caution with liver pt and pregnanct women

6. What are the side effects of dextromethorphan?

sedation

7. What is the nasal decongestant prototype?

pseudophedrine (sudafed)

8. What are the effects of pseudophedrine?

shrinkage of the blood vessels in the nasal mucosal membranes, acts as an alpha agonist and stimulate catelcholmine receptors

9. What are the contraindications of pseudophedrine

severe hypertension, coronary artery disease due to vasoconstriction and increased BP; children and infants less than 3 years of age

10. What is the duration of use of pseudophedrine?

should be used for less than four days or it can cause rebound pseudophedrine