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Commonly Used Brand Name(s)Norvasc
Therapeutic ClassificationsCardiovascular Agent
Pharmacologic ClassificationsCalcium Channel Blocker
- Proper Use
- Missed Dose
- Use & Storage
- Before Using
- Breast Feeding
- Drug Interactions
- Other Interactions
- Other Medical Problems
- Chemical Classifications
Amlodipine is used alone or together with other medicines to treat angina (chest pain) and high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly. This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure. High blood pressure may also increase the risk of heart attacks. These problems may be less likely to occur if blood pressure is controlled.
Amlodipine is a calcium channel blocker. It affects the movement of calcium into the cells of the heart and blood vessels. As a result, amlodipine relaxes blood vessels and increases the supply of blood and oxygen to the heart while reducing its workload.
This medicine is available only with your doctor's prescription.
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Take this medicine exactly as directed even if you feel well and do not notice any chest pain. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Do not miss any doses.
For patients taking this medicine for high blood pressure:
- In addition to the use of the medicine, treatment for your high blood pressure may include weight control and a change in the types of food you eat, especially foods high in sodium (salt). Your doctor will tell you which of these are most important for you. You should check with your doctor before changing your diet.
- Many patients who have high blood pressure will not notice any signs of the problem. In fact, many may feel normal. It is very important that you take your medicine exactly as directed and that you keep your appointments with your doctor even if you feel well.
- Remember that this medicine will not cure your high blood pressure but it does help control it. Therefore, you must continue to take it as directed if you expect to lower your blood pressure and keep it down. You may have to take high blood pressure medicine for the rest of your life . If high blood pressure is not treated, it can cause serious problems such as heart failure, blood vessel disease, stroke, or kidney disease.
You may take this medicine with or without food.
Take this medicine at the same time each day.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (tablets):
- For angina (chest pain):
- Adults—5 to 10 milligrams (mg) once a day.
- Children—Use and dose must be determined by your doctor.
- For high blood pressure:
- Adults—At first, 2.5 to 5 milligrams (mg) once a day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 10 mg once a day.
- Children 6 to 17 years of age—2.5 to 5 mg once a day.
- Children younger than 6 years of age—Use and dose must be determined by your doctor.
- For angina (chest pain):
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Do not take this medicine if it has been more than 12 hours since you missed your last dose.
Use & StorageTOP
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of amlodipine in the elderly. However, elderly patients are more likely to have age-related kidney, liver, or heart problems, which may require caution and an adjustment in the dose for patients receiving amlodipine.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical ProblemsTOP
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Angina (chest pain) or
- Heart attack, acute or
- Heart or blood vessel disease (e.g., coronary artery disease) or
- Hypotension (low blood pressure)—Use with caution. May make these conditions worse.
- Heart disease or other heart problems (e.g., aortic stenosis)—Use with caution. The blood pressure-lowering effects of this medicine may be increased.
- Liver disease—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects. a
Dizziness, lightheadedness, or fainting may also occur if you exercise or if the weather is hot. Heavy sweating can cause loss of too much water and result in low blood pressure. Use extra care during exercise or hot weather.
If you have been using this medicine regularly for several weeks, do not suddenly stop using it. Stopping suddenly may cause your chest pain or high blood pressure to come back or get worse. Check with your doctor for the best way to reduce gradually the amount you are taking before stopping completely.
Chest pain resulting from exercise or physical exertion is usually reduced or prevented by this medicine. This may tempt you to be too active. Make sure you discuss with your doctor a safe amount of exercise for your medical problem.
After taking a dose of this medicine you may get a headache that lasts for a short time. This should become less noticeable after you have taken this medicine for a while. If this effect continues, or if the headaches are severe, check with your doctor.
In some patients, tenderness, swelling, or bleeding of the gums may appear soon after treatment with this medicine is started. Brushing and flossing your teeth carefully and regularly and massaging your gums may help prevent this. See your dentist regularly to have your teeth cleaned. Check with your doctor or dentist if you have any questions about how to take care of your teeth and gums, or if you notice any tenderness, swelling, or bleeding of your gums.
Do not take other medicines unless they have been discussed with your doctor. This especially includes over-the-counter (nonprescription) medicines for appetite control, asthma, colds, cough, hay fever, or sinus problems, since they may increase your blood pressure.