On this page
Therapeutic action
- Cardioselective beta-blocker
Indications
- Hypertension, treatment of chronic stable angina pectoris
- Chronic stable heart failure in combination with a converting enzyme inhibitor (enalapril)
Forms and strengths
- 2.5 mg breakable tablet
- 10 mg breakable in ¼ tablet
Dosage
Hypertension, angina pectoris
- Adult: 5 to 10 mg once daily, preferably in the morning (max. 20 mg daily)
In patients with renal or hepatic impairment: start with 2.5 mg once daily then increase, if necessary, according to clinical response (max. 10 mg daily)
Heart failure
- Adult: start with 1.25 mg once daily and increase according to the table below, as long as the drug is well tolerated (heart rate, blood pressure, signs of worsening heart failure)
|
Weeks |
Daily dose |
Tablet(s) |
|---|---|---|
|
Week 1 |
1.25 mg once daily |
2.5 mg tab: ½ tab daily |
|
Week 2 |
2.5 mg once daily |
2.5 mg tab: 1 tab daily |
|
Week 3 |
3.75 mg once daily |
2.5 mg tab: 1½ tab daily |
|
Week 4 to 8 |
5 mg once daily |
10 mg tab: ½ tab daily |
|
Week 9 to 12 |
7.5 mg once daily |
2.5 mg tab: 1 tab daily + 10 mg tab: ½ tab daily |
|
From week 13 |
10 mg once daily |
10 mg tab: 1 tab daily |
Duration
- According to clinical response. Do not stop treatment abruptly, decrease doses gradually.
Contra-indications, adverse effects, precautions
- Do not administer to patients with asthma, chronic obstructive bronchopneumonia, acute heart failure, severe hypotension, bradycardia < 50/minute, atrio-ventricular heart blocks, Raynaud's syndrome.
- May cause:
- bradycardia, hypotension, worsening of heart failure (reduce dose);
- bronchospasm in patients with an obstructive respiratory disease;
- hypoglycaemia, gastrointestinal disturbances, headache, fatigue, muscle weakness, erectile dysfunction.
- Administer with caution to patients with diabetes (risk of hypoglycaemia).
- In the event of anaphylactic shock, risk of resistance to epinephrine.
- Avoid or monitor combination with:
- mefloquine, digoxin, amiodarone, diltiazem, verapamil (risk of bradycardia);
- tricyclic antidepressants, antipsychotics, anti-hypertensive drugs (risk of hypotension).
- Pregnancy and breast-feeding: use labetalol, particularly for the management of hypertension in pregnancy.
Storage
–
– Below 25 °C