upper resp tract infection drugs

Question 1

dextromethorphan

Answer 1

Cough suppressant, antitussive (otc)

• upper resp tract infection
• cough

act centrally to suppress cough reflex
- sedation , nausea

Question 2

Guaifensin

Answer 2

Antitussive (otc)
- upper rest infection

• nausea, vomiting , stomach pain

Question 3

Bromhexine

Answer 3

Mucolytic agent (otc)
- upper resp infection

alters structure of viscous mucous , promoting clearance from resp tract.
- nausea, diarrhoea, headahce

Question 4

Phenylephrine

Answer 4

decongestant
- upper resp infection

causes vasoconstriction, reducing blood flow, swelling and thickening of lining of nose and mucosa formation
- sleepyness, palpitations, headache

Question 5

Promethazine

Answer 5

Antihistamine
- upper resp infection

targets H1 receptors to inhibit action of histamine , reducing sneezing, itchy , redness and running nose.

• 1st gen sedation , impaired performance
• 2nd gen - non sedative