We also cover the side effects, interactions, warnings, and considerations for amlodipine as well as some alternative drugs. The U. The FDA consider amlodipine safe and effective for treatment of:. Doctors sometimes also prescribe amlodipine to treat people with other conditions.
According to one source, off-label uses of amlodipine include :. Doctors prescribe amlodipine for a variety of conditions, and the FDA recommend the following dosages:. For some people who have difficulty swallowing, such as children and older people, a doctor may administer amlodipine as an intravenous injection or drip.
According to the FDA, researchers have used clinical trials to evaluate the safety of amlodipine in over 11, people. These studies found that the drug rarely caused problems in dosages up 10 mg daily. Amlodipine can potentially interact with some other medications, including :. It is essential that people inform their doctors about all the medications, herbs, and supplements they are currently taking before starting amlodipine or any other new medicines.
The FDA have issued several warnings for doctors to take note of when prescribing amlodipine. These include:. Amlodipine can cause hypotension , or low blood pressure, in some people, particularly those with severe aortic stenosis. Symptoms of hypotension include feeling faint, tired, and nauseous. When starting or increasing the dosage of amlodipine, it can worsen symptoms of angina and increase the risk of heart attack in some people, particularly those with severe obstructive coronary disease.
However, this is rare. The liver extensively metabolizes amlodipine, so doctors need to be cautious when prescribing this drug to people with liver conditions. The FDA recommend that doctors closely monitor these individuals and increase the dosages of amlodipine slowly.
The FDA have also highlighted some considerations that both the prescribing doctor and the person taking amlodipine need to be aware of. There is a lack of research into the safety of taking amlodipine during pregnancy. The FDA recommend that doctors should only prescribe amlodipine to pregnant women if the potential benefits outweigh the risks to the fetus. Because of this, the FDA recommend that women do not take amlodipine while breastfeeding.
Due to a lack of studies, doctors do not know how safe or effective amlodipine is in children under the age of 6 years. Do not use in larger or smaller amounts or for longer than recommended. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed. Shake the oral suspension liquid before you measure a dose.
Use the dosing syringe provided, or use a medicine dose-measuring device not a kitchen spoon. Your chest pain may become worse when you first start taking amlodipine or when your dose is increased. Call your doctor if your chest pain is severe or ongoing. If you are being treated for high blood pressure, keep using amlodipine even if you feel well.
High blood pressure often has no symptoms. You may need to use blood pressure medicine for the rest of your life. Your hypertension or heart condition may be treated with a combination of drugs. Use all medications as directed and read all medication guides you receive. Do not change your doses or stop taking any of your medications without your doctor's advice. This is especially important if you also take nitroglycerin.
Amlodipine is only part of a complete program of treatment that may also include diet, exercise, weight control, and other medications.
Follow your diet, medication, and exercise routines very closely. Take the medicine as soon as you can, but skip the missed dose if you are more than 12 hours late for the dose. Do not take two doses at one time. Overdose symptoms may include rapid heartbeats, redness or warmth in your arms or legs, or fainting. Norvasc starts working the day you take it, but it might take a couple of weeks for the full effects to kick in.
Heavy sweating can cause loss of too much water and result in low blood pressure. Use extra care during exercise or hot weather. Check with your doctor right away if you or your child have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.
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. 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 prescription or nonprescription over-the-counter [OTC] medicines for appetite control, asthma, colds, cough, hay fever, or sinus problems, and herbal or vitamin supplements.
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
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