Tenormin

Other names used:

• Atenolol®

Active Ingredients:

• Atenolol

How does Tenormin work and what pharmaceutical group does it belong to?

Tenormin contains the active ingredient atenolol that belongs to cardioselectice beta1-adreno blocker. Tenormin exerts antihypertensive, antianginal and antiarrhythmic action. By blocking beta1-receptors Tenormin prevents the stimulating effects of catecholamines on the heart tissue and blood vessels. Tenormin possesses a negative chrono-, dromo-, batmo-, and inotropic action: decreases heart rate, inhibits the excitability and conductibility, lowers myocardium contractility. At the beginning of treatment Tenormin increases peripheral resistance, however in prolonged use peripheral resistance is decreased.

Which conditions are treated with Tenormin?

Tenormin is indicated in the following cardiovascular diseases:

• Blood pressure controlling
• Relieving the symptoms of angina
• Hypertensive crisis
• Treatment and prophylaxis of heart attacks
• Arrhythmia
• Essential and senile tremor
• Agitation and tremor in abstinence symptoms

Ternormin can also be indicated in the complex treatment of:

• Hypertrophic cardiomyopathy
• pheochromocytoma( in combination with alpha-adrenoblockers)
• Thyrotoxicosis
• Migraines(prophylaxis)

What should a patient know before using Tenormin?

The Tenormin should not be used in cases of:

• Bradycardia
• AV-block
• Cardiogenic shock
• Hypotension
• Metabolic acidosis
• Sick sinus syndrome
• Acute heart failure
• Chronic cardiac failure
• Prinzmetal's angina
• Bronchial asthma
• Obstructive bronchitis
• Diabetes
• Low potassium blood levels
• Gout
• Myasthenia
• Acute hepatitis
• Acute renal failure
• Pregnancy
• Breastfeeding
• Young age
• Concomitant use of MAO inhibitors
• Hypersensitivity to any components of the drug.

Which adverse effects may manifest when using the medication?

The side effects of Tenormin include:

• Cardiovascular system: bradycardia, paresthesia and cold feet , postural hypotension
• Central and peripheral nervous system: confused mental state, dizziness, headache, emotional lability, phrenoplegia, paresthesia, insomnia, undue fatiguability, apathy, disorientation, vision disorder
• Digestive system: xerostomia; rarely-increased level of liver enzymes, nausea, constipation, diarrhea, pancreatitis, anorexia
• Hemopoietic system: leukopenia, purpura, thrombocytopenia, agranulocytosis, eosinophilia
• Dermatological reactions: alopecia, psoriasiform skin reactions, skin rash
• Respiratory system: bronchospasm can appear in the patients suffering from bronchial asthma
• Others: potency decrease

It is not necessary that the side effects will manifest in an individual but the possibility still exist. For more information please consult your health care provider.

Which groups of drugs or specific preparations may interact with Tenormin?

The drug is affected by the following:

• Cardiac glycosides
• Alpha blockers
• Calcium channel blockers
• Antihypertensive drugs
• Sympathomimetics
• Salicylates
• Other beta blockers
• Certain arrhythmia medications
• Certain antibiotics (ampicillin)
• Monoamine oxidase inhibitors
• Glucocorticosteroids
• NSAID's
• Diuretics
• Short term insulin
• Antidepressants
• Anti epileptic
• Simpatholytics

Tell your doctor about all the herbal preparations as well as prescription drugs that you are currently taking even if they are not on the list.

Important information for the patient:

Tenormin is supplied for individual use. Do not use it to treat other conditions not listed in the leaflet. Keep the product out of children reach. Do not reuse any disposable materials if supplied with the preparation.