common cold Flashcards
1
Q
how do sympathomimetics work? example
A
act as alpha-adrenoreceptor agonists to give a decongestant effect
E.g phenylephrine
2
Q
how do antihistamine work for a cold?
A
dry secretions
drowsiness of 1st gen may be beneficial
3
Q
how does caffeine help a cold?
A
increases alertness to reduce feeling of malaise
4
Q
how do expectorants (guaifenesin) help a cold?
A
reduce mucus viscosity and increase clearance
5
Q
how do antitussives help a cold?
A
inhibit cough centre in brain to supress cough reflex
6
Q
what drug is used for chesty/mucus coughs?
A
guaifenesin syrup
7
Q
what drug is used for a dry/tickly cough?
A
glycerol/sucrose
8
Q
A
