9 Adrenergic antagonists (Adverse effects)

Question 1

Selective alpha1-antagonists

Answer 1

Hypotension, dizziness and sedation

Question 2

Beta-adrenergic antagonists

Answer 2

• Bronchoconstriction in pt with asthma (should be avoided, use selective b1 blockers)
• Hypoglycemia caused by excessive insulin administration and blockage of early signs of hypoglycemia such as tachycardia (caution in diabetics)
• Decreased peripheral blood flow during exercise and risk of cold extremities