Metoprolol (Betablock 100 XL) 100 mg tablet is a selective beta-1 blocker that helps keep your blood pressure under control. It is used to treat angina pectoris, heart failure and irregular heartbeats. It may also be used to reduce risks of complications after a heart attack, as well as treat an overactive thyroid gland and prevent migraine.
Drug = Metoprolol
Number of Pills Per Order = 10
Strength = 100 mg
Manufacturer = Healing Pharma
How To Take
Ask your doctor or pharmacist about whether you should take this medicine with or without food. Different preparations of this medicine may be made differently. Try to take it at the same time each day.
If you are taking the extended-release type of tablets (usually labelled as “XL”, “ER”), swallow it whole. Do not divide, chew or crush the tablets.
Metoprolol must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor, as stopping it suddenly could worsen your condition.
Take Metoprolol precisely as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
Dosage of Metoprolol (Betablock 100 XL) 100 mg
Adult: Hypertension: Conventional tab: Initially, 100 mg daily as single or in 2 divided doses, may be increased weekly according to the response. Maintenance: 200 mg daily in divided doses. Extended-release tab: Initially, 25-100 mg daily, may be increased weekly according to the answer. Maximum of 400 mg/day.
Angina pectoris: Conventional tab: 50-100 mg twice a day or three times a day. Extended-release: Initially, 100 mg daily, may be increased gradually at weekly intervals until a satisfactory response is achieved. Maximum of 400 mg/day.
Heart failure: Extended-release tab: 12.5-25 mg once daily, may be increased gradually as tolerated, at intervals of 2 weeks. Max dose: 200 mg once daily.
Cardiac arrhythmias: Conventional tab: 50 mg twice a day or three times a day, maybe increased to 300 mg daily in divided doses, as necessary.
Adjunct in hyperthyroidism: Conventional tab: 50 mg four times a day, maybe reduced once the euthyroid state is achieved. Prophylaxis of Conventional migraine tab: 100-200 mg daily in divided doses.
Missed Dose
If you miss a dose, skip the missed dose and return to your usual dosing schedule. If you often forget to take your medicine, let your doctor and pharmacist know.
Do not double a dose under any circumstances.
Overdose of Metoprolol (Betablock 100 XL) 100 mg
Signs of overdose may include the following:
- Severe hypotension
- Sinus bradycardia
- Atrioventricular block
- Heart failure
- Cardiogenic shock
- Bronchospasm
- Impairment of consciousness
- Coma
- Nausea
- Vomiting
Seek medical help immediately.
Contraindications
People with the following medical conditions should not take Metoprolol:
- 2nd or 3rd-degree atrioventricular block
- Decompensated cardiac failure
- Severe bradycardia
- Sick-sinus syndrome (without pacemaker)
- Untreated phaeochromocytoma
- Severe peripheral arterial disease
- Cardiogenic shock
Side Effects
Metoprolol may have the following side effects:
- Bradycardia
- Atrioventricular block
- Hypotension
- Dyspnea
- Pulmonary edema
- Palpitations
- Tinnitus
- Blurred vision
- Visual disturbances
- Nausea
- Vomiting
- Abdominal pain
- Constipation
- Flatulence
- Dry mouth
- Heartburn
- Fatigue
- Psoriasis
- Peripheral edema
- Musculoskeletal pain
- Headache
- Depression
- Confusion
- Nightmares
- Insomnia
- Hallucinations
- Bronchospasm
- Photosensitivity
- Skin rash
- Orthostatic hypotension (occasionally with syncope)
- Cold extremities
Warnings
Do not use Metoprolol in people with the following conditions:
- Heart block
- Uncontrolled heart failure
- Severely slow heartbeat
- Abnormal heart rhythm
- Poor blood circulation due to a blood vessel disorder
- Untreated pheochromocytoma
Inform your doctor and pharmacist if you are taking any of these medicines:
- Verapamil
- Clonidine
- Prazosin
- Reserpine
- Quinidine
- Digoxin
- Propafenone
- Indometacin
- Fluoxetine
- Paroxetine
- Insulin
- Cyclopropane
- Trichlorethylene
- Ergotamine
Inform your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and non-prescription medicines.
This list does not include all medicines that may interact with Metoprolol.
How Does Metoprolol (Betablock 100 XL) 100 mg Work?
Metoprolol selectively blocks beta 1-adrenergic receptors but has little or no effect on beta 2-receptors, except in high doses. It does not exhibit any effects in membrane stabilizing or intrinsic sympathomimetic activity.
Uses
Metoprolol is used to treat the following conditions:
- Adjunct in the early management of acute myocardial infarction
- Prophylaxis or control of arrhythmias on the induction of anaesthesia
- Cardiac arrhythmias
- Angina pectoris
- Hypertension
- Adjunct in hyperthyroidism
- Prophylaxis of migraine
- Heart failure
Special Precautions and Connected Warnings
Take special precautions if you have the following conditions:
- Patient with 1st-degree atrioventricular block
- Sinus node dysfunction
- Conduction disorders
- Bronchospastic disease
- Diabetes mellitus
- Psoriasis
- Myasthenia gravis
- Thyrotoxicosis
- Peripheral vascular disease
- Avoid abrupt withdrawal. Hepatic impairment
- Elderly
- Pregnancy and lactation
- CYP2D6 ultrarapid and poor metabolisers
- Avoid alcohol
Storage Conditions
- Store below 25°C.
- Store in a cool, dry place away from the reach of children.
- Do not use Metoprolol that is expired or out of date.
