Generic Name: nitroglycerin (nye-troe-GLIH-suh-rin)
Brand Name: Nitrogard
Nitrogard is used for:
Preventing chest pain caused by heart disease. It may also be used to treat other conditions as determined by your doctor.
Nitrogard is a nitrate. It works by widening blood vessels in the body, which allows more blood to flow more easily through them and reduces the work the heart has to do to pump blood. This reduces the oxygen need of the heart, and helps prevent chest pain.
Do NOT use Nitrogard if:
- you are allergic to any ingredient in Nitrogard
- you suspect you are having a heart attack
- you have increased pressure inside the head
- you have severe anemia
- you are currently taking a phosphodiesterase type 5 inhibitor (eg, sildenafil), a medicine used frequently for sexual dysfunction
Contact your doctor or health care provider right away if any of these apply to you.
Before using Nitrogard:
Some medical conditions may interact with Nitrogard. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you drink alcoholic beverages
- if you have a history of heart failure, overactive thyroid, recent head trauma, recent heart attack, recent stroke, head injury, or low blood pressure
Some MEDICINES MAY INTERACT with Nitrogard. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Beta-blockers (eg, propranolol), calcium channel blockers (eg, diltiazem), phenothiazines (eg, thioridazine), or phosphodiesterase type 5 inhibitors (eg, sildenafil) because side effects such as severely low blood pressure may occur
- Alteplase or heparin because the effectiveness of these medicines may be decreased
- Salicylates (eg, aspirin) because the effectiveness of nitroglycerin may be altered. Control of blood pressure may be impaired and your doctor may need to adjust your dose.
This may not be a complete list of all interactions that may occur. Ask your health care provider if Nitrogard may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Nitrogard:
Use Nitrogard as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Do not crush, chew, or swallow the tablet, or place it under the tongue.
- Place tablet(s) under the upper lip or between the gum and cheek and allow it to dissolve slowly over a 3 to 5 hour period or as directed by your health care provider. If you wear dentures, place the tablet between the cheek and gum above the denture plate. Touching the tablets with the tongue or drinking hot liquids will help the tablets dissolve faster.
- If you accidentally swallow a tablet, replace it with another one, unless otherwise advised by your doctor.
- If you miss a dose of Nitrogard and you are taking it regularly, take it as soon as possible. If several hours have passed or if it is nearing time for the next dose, do not double the dose to catch up, unless advised by your health care provider. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Nitrogard.
Important safety information:
- Nitrogard may cause dizziness or blurred vision. Use caution while driving or performing other tasks requiring alertness, coordination, or physical dexterity.
- Nitrogard may cause dizziness, lightheadedness, or fainting. Alcohol, hot weather, exercise, and fever can increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Also, sit or lie down at the first sign of dizziness, lightheadedness, or weakness.
- To avoid tooth and gum decay, vary location sites and brush your teeth after the tablet has completely dissolved.
- Do not fall asleep with a tablet in your mouth.
- LAB TESTS, including blood electrolytes and blood pressure, may be performed to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.
- Nitrogard is not recommended for use in CHILDREN. Safety and effectiveness have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, discuss with your doctor the benefits and risks of using Nitrogard during pregnancy. It is unknown if Nitrogard is excreted in breast milk. If you are or will be breast-feeding while you are using Nitrogard, check with your doctor or pharmacist to discuss the risks to your baby.
Possible side effects of Nitrogard:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Burning or tingling in the mouth; dizziness; flushing; headache; heavy sweating; lightheadedness; nausea; pale skin; vomiting.
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; fainting; increased chest pain; pounding in the chest; slow heartbeat.
This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/), or emergency room immediately. Symptoms may include: changes in vision; confusion and difficulty breathing; excessive sweating; fast heartbeat; flushing; low blood pressure; pounding in the chest.Proper storage of Nitrogard:
Store between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in bathroom. Keep Nitrogard out of the reach of children and away from pets.
- If you have any questions about Nitrogard, please talk with your doctor, pharmacist, or other health care provider.
- Nitrogard is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
This information is a summary only. It does not contain all information about Nitrogard. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
More about Nitrogard (nitroglycerin)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
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- Drug class: antianginal agents