| Labetalol |
Beta blocker |
100 mg twice a day – 400 mg three times a day |
Bradycardia, bronchospasm, headache |
| Nifedipine controlled release |
Calcium channel antagonist |
30 mg daily – 60 mg twice a day |
Headache (first-dose effect), flushing, tachycardia, peripheral oedema |
| Methyldopa |
Central action |
250 mg twice a day – 750 mg three times a day |
Depression, dry mouth, sedation, rarely haemolysis and hepatitis |
| Hydralazine |
Vasodilator |
25 mg three times a day – 50 mg three times a day |
Flushing, headache, lupus-like syndrome |
| Prazosin |
Alpha blocker |
0.5 mg twice a day – 5 mg three times a day |
Orthostatic hypotension |
| * Although oxprenolol is safe, it is no longer available in Australia. |
