Common drugs Flashcards
What do diuretics do?
Block Na reabsorption in kidneys
What are the two types of diuretics?
Thiazide and loop diuretics
What is the difference between the two types of diuretics?
Thiazide are mild and used in hypertension and loop are stronger and used in heart failure
Give an example of each of the types of diuretics
Thiazide - bendrofluazide. Loop - furosemide
What are the side effects of diuretics?
Hypokaleamia which causes tiredness and arrhythmias.
Hyperglycaemia which causes diabetes
Uric acid which causes gout
Impotence
What are cardiovascular beta blockers used in and give an example
They only block Beta 1 receptors, they are used in angina, hypertension and heart failure. Example is atenolol
What are non selective beta blockers and what are they used in. Give an example
They block both beta 1 and beta 2 receptors. They are used in thyrotoxicosis. Example is propranolol
Side effects of beta blockers
Asthma - never use in established asthma
Tiredness
Heart failure - good in medium/long term heart failure but can worsen heart failure in short term
Cold peripheries
What are the two types of calcium antagonists
Dihydropyridines and rate limiting calcium antagonists
Dihydropyradines - give an example, what are they used in and side effects
Example is amlodipine
Used in hypertension and angina
Side effect is ankle oedema
Rate limiting calcium antagonists - give examples and what it is used in
Examples - Verapamil, diltiazem
used in hypertension and angina and supra ventricular arrhythmias
Which of the two calcium antagonists should be given caution if given with beta blockers
Rate limiting calcium antagonists
What do alpha blockers do?
Block alpha adrenoceptors to cause vasodilation
What are alpha blockers used in?
Hypertension and prostatic hypertrophy
Give an example of alpha blockers and side effect
Doxazosin and postural hypertension