Home Health Medicine Norvasc: Uses, Dosage, Price, Side Effects, Precautions & More

Norvasc: Uses, Dosage, Price, Side Effects, Precautions & More

What is Norvasc?

Norvasc contains Amlodipine as main ingredient. Norvasc belongs to a group of medicines called calcium antagonists.


Uses of Norvasc

Norvasc is used to treat:

  • high blood pressure
  • angina pectoris (pain in the chest)

How does Norvasc work?

Norvasc works by inhibiting the passing of calcium ion across cell membranes of blood vessels which in turn causes relaxation of blood vessels and makes blood flow smooth and easy.


How to Take Norvasc?

  • Norvasc is available in the form of tablets.
  • Tablets should be taken by mouth, with or without food.
  • Do not chew or crush the tablet.

Common Dosage for Norvasc?

  • The dosage and duration of treatment with Norvasc are based on your age, the severity of the condition, physical health, and response to therapy.
  • The standard dose for adults: 5 mg once a day with a maximum dose of 10 mg per day.
  • Elderly patients or patients with liver disease may be started on 2.5 mg per day.
  • Starting dose for children: 2.5 – 5 mg per day.

When to Avoid Norvasc?

Norvasc should be avoided or used with caution in:

  • If you suffer from an allergy to any of its components
  • If you are suffering from cardiogenic shock – the symptoms of cardiogenic shock are low blood pressure, low pulse and fast heartbeat
  • If you are suffering from heart failure after a heart attack
  • If you are suffering from chest pain at rest or with minimal effort
  • If you are pregnant or breastfeeding
  • If you have severe low blood pressure

Side-effects of Norvasc?

In addition to its intended uses, Norvasc may cause few undesirable side effects which may include:

  • Fluid retention
  • Headache
  • Dizziness
  • Tiredness
  • Somnolence
  • Palpitations (awareness of one’s heartbeat)
  • Flushing
  • Stomach pain
  • Nausea
  • Diarrhea
  • Constipation
  • Indigestion
  • Swelling in ankles
  • Muscular cramps and muscle weakness
  • Double vision
  • Mood changes
  • Anxiety
  • Depression
  • Insomnia
  • Quivering
  • Altered taste sensations
  • Fainting
  • Numbness or loss of pain sensation
  • Ringing in the ears
  • Low blood pressure
  • Sneezing/running nose
  • Cough
  • Dry mouth
  • Hair loss
  • Increased sweating
  • Itchy and red skin

Effect on organs?

Dose modification is advised in patients suffering from kidney and liver diseases.


Reported Allergic Reactions?

Allergic reactions with Norvasc have been reported. Inform your doctor if you are allergic to any of its ingredients. Signs of allergic reaction include:

  • Rashes/itching of the skin
  • Shortness of breath
  • Swelling of face, lips, tongue, or throat
  • Loss of consciousness
  • Angioedema (painless swelling under the skin)

Drug Interactions to Be Careful About

Drug interactions refer to the effect of drugs on each other and on the human body after ingestion. There are large numbers of medicines which have shown to interact with each other. It is always advisable that the patient must inform the doctor about all the drugs/over the counter products/vitamin supplements used while using Norvasc, especially:

  • Medicines that can reduce blood pressure (e.g. verapamil, diltiazem
  • Ketoconazole and Itraconazole
  • Antiviral medicines – Ritonavir, Indinavir, Nelfinavir, Nevirapine
  • Clarithromycin, erythromycin, and telithromycin, rifampicin, rifabutin (antibiotics)
  • Nefazodone (medicine to treat depression)
  • St. John’s Wort
  • Dexamethasone (corticosteroid)
  • Verapamil, diltiazem
  • Dantrolene
  • Tacrolimus
  • Simvastatin
  • Cyclosporine
  • Anti-epileptic medicines – Phenobarbital, phenytoin, and carbamazepine
  • Sildenafil (medicine for impotence)

Shows Effects / Results In

The amount of time taken by Norvasc to show its effects depends upon its intended use.


FAQs

Is Norvasc addictive?

No habit forming tendency has been reported with Norvasc.

Can I have Norvasc with alcohol?

Consumption of alcohol is not recommended when on Norvasc therapy.

Any particular food item to be avoided?

Grapefruit juice and grapefruit should not be consumed by people who are taking Norvasc.

Can I have Norvasc when pregnant?

  • Use of Norvasc during pregnancy has not been established.
  • Consult your doctor in case if you are pregnant or plan to become pregnant for case-specific recommendations.

Can I have Norvasc when feeding a baby?

  • Norvasc is not recommended for use while you are breastfeeding as the drug may pass into breast milk and may harm the foetus.
  • Consult your doctor for case-specific recommendations.

Can I drive after taking Norvasc?

Norvasc may cause a headache, dizziness and double vision as side effects. Make sure you are not affected before you drive.

What happens if I overdose on Norvasc?

Norvasc should never be administered in more than prescribed dose. Symptoms of an overdose are:

  • Extreme lightheadedness
  • Extreme light-headedness
  • Extreme weakness
  • Breathing problems
  • Urge to urinate very often
  • Severe drop in blood pressure can occur, leading to cold and clammy skin with loss of consciousness

What happens if I take expired Norvasc?

  • A single dose of expired Norvasc may not cause any major adverse effect. However, the potency of the medicine may well have decreased over time.
  • Please inform your physician regarding the same if expired medicines have been taken chronically for a longer duration.

What happens if I miss a dose of Norvasc?

  • The medicine may not work well if you miss a dose because a certain amount of drug must be present in your body at all times for its effective working.
  • Kindly consult your physician.

Storage of Norvasc

  • Store Norvasc at a cool and dry place away from direct heat and moisture.
  • Do not freeze the medicine.
  • Keep medicines away from children and pets.

Pro Tips When Taking Norvasc

Use of Norvasc can lead to swelling in ankles. If this happens, you should raise your legs while sitting down and consult your doctor if this persists.


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