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Nitrates ( NYE-trates) are used to treat the symptoms of angina (chest pain). Depending on the type of dosage form and how it is taken, nitrates are used to treat angina in three ways:
- to relieve an attack that is occurring by using the medicine when the attack begins;
- to prevent attacks from occurring by using the medicine just before an attack is expected to occur; or
- to reduce the number of attacks that occur by using the medicine regularly on a long-term basis.
Where can I order Nitro Dur from? Can I buy Nitro Dur at Canadian Prices?
Yes, if you are from the U.S. then you can buy Nitro Dur at Canadian prices. Currently we will only accept an order for Nitro Dur from U.S. and Canadian residents. Both U.S. and Canadian residents require a prescription to purchase Nitro Dur and when you order Nitro Dur it will be delivered with express shipping.
Why is Nitro Dur prescribed?
Nitro Dur is prescribed to prevent and treat angina pectoris (suffocating chest pain). This condition occurs when the coronary arteries become constricted and are not able to carry sufficient oxygen to the heart muscle. Nitro Dur is thought to improve oxygen flow by relaxing the walls of arteries and veins, thus allowing them to dilate.Nitro Dur is used in different forms. As a patch or ointment, Nitro Dur may be applied to the skin. The patch and the ointment are for prevention of chest pain.Swallowing Nitro Dur in capsule or tablet form also helps to prevent chest pain from occurring.
In the form of sublingual (held under the tongue) or buccal (held in the cheek) tablets, or in oral spray (sprayed on or under the tongue), Nitro Dur helps relieve chest pain that has already occurred. The spray can also prevent anginal pain. The type of Nitro Dur you use will depend on your condition.
Most important fact about Nitro Dur
Nitro Dur may cause severe low blood pressure (possibly marked by dizziness or light-headedness), especially if you are in an upright position or have just gotten up from sitting or lying down. You may also find your heart rate slowing and your chest pain increasing. People taking diuretic medication, or who have low systolic blood pressure (less than 90 mm Hg) should use Nitro Dur with caution.
What side effects may occur?
Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Nitro Dur.
More common side effects may include:
Dizziness, flushed skin (neck and face), headache, light-headedness, worsened angina pain
Less common or rare side effects may include:
Diarrhea, fainting, heart pounding, low blood pressure, nausea, numbness, pallor, restlessness, severe allergic reactions, skin rashes and eruptions, sweating, vertigo, vomiting, weakness
Why should Nitro Dur not be prescribed?
You should not be using Nitro Dur if you are allergic to it or to the adhesive in the patch, if you have a head injury, or if you have any condition caused by increased fluid pressure in your head. Nitro Dur should not be taken if you have severe anemia or if you recently had a heart attack. The capsule form should not be used if you have closed-angle glaucoma (pressure in the eye) or suffer from postural hypotension (dizziness upon standing up). Do not take the tablets if you are using the impotence drug Viagra.
Special warnings
If your vision becomes blurry or your mouth becomes dry while taking Nitro Dur, it should be discontinued. Contact your doctor immediately if these symptoms develop.You may develop acute headaches if you take Nitro Dur excessively. Also, some people may develop a tolerance to Nitro Dur, and it may become less beneficial over time, especially if used in excess.Nitro Dur tablets lose their effectiveness when exposed to air. If you are taking sublingual Nitro Dur, you may notice a burning or tingling sensation. This does not necessarily mean that tablets which have been exposed to air for a long period of time are still good.Take no more than the smallest possible amount needed to relieve pain.Daily headaches may be an indicator of the drug's activity. Do not change your dose to avoid the headache, because you may reduce the drug's effectiveness at the same time.Before taking Nitro Dur, tell your doctor if you have had a recent heart attack, head injury, or stroke; or if you have anemia, glaucoma (pressure in the eye), or heart, kidney, liver, or thyroid disease.If you use a patch, dispose of it carefully. There is enough drug left in a used patch to be harmful to children and pets.Since Nitro Dur can cause dizziness, you should observe caution while driving, operating machinery, or performing other tasks that demand concentration.
The benefits of applying Nitro Dur to the skin of people experiencing heart attacks or congestive heart failure have not been established. If you are using the medication for these conditions, your doctor will monitor you to prevent low blood pressure and pounding heartbeat.
Possible food and drug interactions
If Nitro Dur is taken with certain other drugs, the effects of either could be increased, decreased, or altered.Taken with many high blood pressure drugs, Nitro Dur may cause extreme low blood pressure (dizziness, fainting, numbness). Take particular care with calcium channel blockers such as Calan and Procardia XL, as well as isosorbide dinitrate (Sorbitrate, Isordil, others), isosorbide mononitrate (Ismo, others), blood vessel dilators such as Loniten, and beta-blocker medications such as Tenormin. Nitro Dur may also cause a severe drop in blood pressure when taken with the impotence drug Viagra.Aspirin can increase the effects of Nitro Dur.Alcohol may interact with Nitro Dur and cause a swift decrease in blood pressure, possibly causing dizziness and fainting.
Also be alert for an interaction with dihydroergotamine (D.H.E.). Check with your doctor if you are uncertain about any combination you plan to take.
Special information if you are pregnant or breastfeeding
It has not been determined whether Nitro Dur might harm a fetus or a pregnant woman. As a result, Nitro Dur should be used only when the benefits of therapy clearly outweigh the potential risks to the fetus and woman. It is not known if Nitro Dur appears in breast milk; therefore, a nursing mother should use Nitro Dur only on advice of her doctor.
Overdosage
Any medication taken in excess can have serious consequences. Severe overdosage of Nitro Dur may result in death. If you suspect an overdose, seek medical attention immediately.
Symptoms of overdose may include:
Bluish skin, clammy skin, colic, coma, confusion, diarrhea (may be bloody), difficult and/or slow breathing, dizziness, fainting, fever, flushed skin, headache (persistent, throbbing), increased pressure within the skull, irregular pulse, loss of appetite, nausea, palpitations (an abnormally rapid throbbing or fluttering of the heart), paralysis, rapid decrease in blood pressure, seizures, slow or fast pulse/heartbeat, sweating, vertigo, visual disturbances, vomiting
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