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Available Form:   Sublingual Tablet
Manufacturer name:   Pfizer
Generic name:   nitroglycerin-emergency
Strength:   0.3mg, 0.6mg

What is Nitrostat?

Nitroglycerin belongs to the class of medications called antianginals. Nitroglycerin sublingual (under the tongue) tablets are used to relieve acute attacks of Angina (chest pain).

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Nitrostat frequently asked questions

Can I Get Same-Day Delivery?

Yes! We do provide same-day delivery in select areas. We do next business day delivery and can also ship overnight as well.

How Much is Shipping Cost for Nitrostat in Canada?

Shipping cost for Nitrostat to you in Canada is zero. Pocketpills offers FREE shipping anywhere in Canada to help you get access to treatment.

How to get Nitrostat delivered to my home?

You could get Nitrostat delivered at your doorstep from us in Canada if you ordered prescription medications with a valid prescription. If you are not sure if we deliver to your area, contact us.

How to get Nitrostat in Canada for free?

You can get Nitrostat for free in Canada if your health insurance provider covers it fully. Contact your provider or us to help you find out if you qualify to get Nitrostat for free.

Nitrostat How to Take

Nitroglycerin belongs to the class of medications called antianginals. Nitroglycerin sublingual (under the tongue) tablets are used to relieve acute attacks of Angina (chest pain). Nitrostat (Nitroglycerin-emergency) can also be used to prevent an acute attack if taken in advance of an activity that would normally cause an angina attack. Nitroglycerin relieves and prevents acute angina attacks by relaxing blood vessels and increasing the oxygen and blood supply to the heart.

Your doctor may have suggested Nitrostat (Nitroglycerin-emergency) for conditions other than those listed in these drug information articles. As well, some forms of Nitrostat (Nitroglycerin-emergency) may not be used for all of the conditions discussed here. If you have not discussed this with your doctor or are not sure why you are taking Nitrostat (Nitroglycerin-emergency), speak to your doctor. Do not stop taking Nitrostat (Nitroglycerin-emergency) without consulting your doctor.

Do not give Nitrostat (Nitroglycerin-emergency) to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take Nitrostat (Nitroglycerin-emergency) if their doctor has not prescribed it.

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Nitrostat Dosage

To use nitroglycerin sublingual tablets, place a tablet under your tongue at the first sign of an angina attack. The dose may be repeated twice with at least a 5-minute interval between each dose, or as directed by your doctor. If relief is still not obtained after 3 doses of nitroglycerin (i.e., 15 minutes), seek medical help immediately.

While using nitroglycerin sublingual tablets you should be resting, preferably in a sitting position.

As directed by your doctor, the sublingual (under the tongue) tablet may be used 5 to 10 minutes before engaging in activities that may cause angina.

Many things can affect the dose of a medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.

It is very important to take Nitrostat (Nitroglycerin-emergency) exactly as prescribed by your doctor.

Keep Nitrostat (Nitroglycerin-emergency) away from moisture and out of the reach of children.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

Nitrostat Side Effects

Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Nitrostat (Nitroglycerin-emergency). If you are concerned about side effects, discuss the risks and benefits of Nitrostat (Nitroglycerin-emergency) with your doctor.

The following side effects have been reported by at least 1% of people taking Nitrostat (Nitroglycerin-emergency). Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

  • fast heartbeat
  • flushing of the face and neck
  • headache
  • nausea
  • spinning sensation
  • vomiting
  • weakness

Although most of these side effects listed below don't happen very often, they could lead to serious problems if you do not  seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

  • blurred vision
  • dizziness or lightheadedness, especially when getting up from a sitting or lying down position
  • fainting
  • headache (severe or prolonged)
  • paleness
  • sweating

Stop taking the medication and seek immediate medical attention if any of the following side effects occur:

  • signs of a serious allergic reaction (e.g., abdominal cramps, difficulty breathing, nausea and vomiting, or swelling of the face and throat)
  • signs of a severe skin reaction such as blistering, peeling, a rash covering a large area of the body, a rash that spreads quickly, or a rash combined with Fever or discomfort

Contact a doctor at once if any of the following signs of overdose occur:

  • bluish-coloured lips,fingernails, or palms of hands
  • convulsions (seizures)
  • dizziness (extreme) or fainting
  • feeling of extreme pressure in head
  • fever
  • shortness of breath
  • unusual tiredness or weakness
  • weak and fast heartbeat
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Nitrostat (Nitroglycerin-emergency)

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Nitrostat Available Form

0.3 mg
Each small, round, white sublingual tablet, marked with "N" on one side and the number "3" on the other side, contains nitroglycerin 0.3 mg. Nonmedicinal ingredients: calcium stearate, glyceryl monostearate, lactose monohydrate, pregelatinized starch, and silicon dioxide. Gluten-, paraben-, sodium-, sulfite-, and tartrazine-free.

0.6 mg
Each small, round, white sublingual tablet, marked with "N" on one side and the number "6" on the other side, contains nitroglycerin 0.6 mg. Nonmedicinal ingredients: calcium stearate, glyceryl monostearate, lactose monohydrate, pregelatinized starch, and silicon dioxide. Gluten-, paraben-, sodium-, sulfite-, and tartrazine-free.

Nitrostat Contraindications

Do not take nitroglycerin sublingual tablets if you:

  • are allergic to nitroglycerin or any ingredients of the medication
  • are allergic to other nitrates
  • are experiencing a Heart Attack
  • have increased pressure within the head (e.g., after an accident)
  • have severe Anemia (low red blood cells)

People who use nitroglycerin regularly or intermittently should not use Erectile Dysfunction medications called PDE-5 inhibitors (Sildenafil, Tadalafil, Vardenafil) because a life-threatening lowering of blood pressure can result.

Automatic Refills

We manage your refills and get in touch with your doctors for prescription renewals so that you always have the medication you need.

Nitrostat Precautions

There may be an interaction between nitroglycerin and any of the following:

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

  • stop taking one of the medications,
  • change one of the medications to another,
  • change how you are taking one or both of the medications, or
  • leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Nitrostat (Nitroglycerin-emergency). Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.

Nitrostat Warnings

Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Nitrostat (Nitroglycerin-emergency).

Dizziness: Nitroglycerin may cause dizziness or a spinning sensation (Vertigo), affecting your ability to drive or operate machinery. Avoid these and other hazardous tasks until you have determined how Nitrostat (Nitroglycerin-emergency) affects you.

Low Blood Pressure: Headaches or symptoms of low blood pressure such as weakness or dizziness, particularly when getting up from a sitting or lying down position, may result from taking too much nitroglycerin. If these symptoms occur, your doctor may reduce the dose or stop the use of nitroglycerin. People who might be negatively affected by low blood pressure should use nitroglycerin sublingual tablets with caution. People who take diuretics or have preexisting low blood pressure may be at a greater risk of experiencing low blood pressure.

Medical conditions: The benefits and safety of nitroglycerin sublingual tablets for people who have an acute heart attack or Congestive Heart Failure have not been established.

Tolerance: Nitroglycerin users may develop tolerance to the medication, resulting in it not working as well. Tolerance to other nitrates or nitrites can also happen, especially if long-acting nitrates are used at the same time. As tolerance to nitroglycerin develops, the effect of fast-acting sublingual (under the tongue) nitroglycerin is somewhat reduced.

Pregnancy: Nitrostat (Nitroglycerin-emergency) has not been studied for use by pregnant women and should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking Nitrostat (Nitroglycerin-emergency), contact your doctor immediately.

Breast-feeding: It is not known if nitroglycerin sublingual passes into breast milk. If you are a breast-feeding mother and are taking Nitrostat (Nitroglycerin-emergency), it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.

Children: The safety and effectiveness of Nitrostat (Nitroglycerin-emergency) for children have not been established.

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All material © 1996-2021 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition.

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