Drug NameMonoket (Isosorbide-5-Mononitrate) Drug UsesMonoket is used to prevent angina (chest pain) caused by heart disease. How TakenUse Monoket as directed by your doctor.
- Take Monoket by mouth with or without food.
- This medication should be taken twice daily, with the doses 7 hours apart. The first dose should preferably be taken in the morning upon waking up, unless directed otherwise by your doctor.
- Do not suddenly stop taking Monoket . You may have an increased risk of side effects (eg, angina attacks). If you need to stop Monoket or add a new medicine, your doctor will gradually lower your dose.
Drug Class and MechanismMonoket is is a nitrate vasodilator. It works by widening the blood vessels in the body. This reduces the workload of the heart and helps to relieve chest pain. Missed DoseIf you miss a dose of Monoket, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once. StorageStore Monoket at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Monoket out of the reach of children and away from pets.
Warnings/Precautions
Do not use Monoket if:
- you are allergic to any ingredient in Monoket or to other nitrate medicines;
- you are also taking a phosphodiesterase type 5 inhibitor (eg, sildenafil, tadalafil, vardenafil);
- you drink alcohol.
Contact your doctor or health care provider right away if any of these apply to you.
Important:
- Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Monoket may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
- Do not drink alcohol while you are taking Monoket.
- When you begin taking Monoket, headaches are likely to occur. Ask your doctor for instructions on ways to reduce this side effect.
- Monoket should not be used to stop an attack of angina; it is intended only for prevention of an attack.
- Monoket may interfere with certain lab tests. Be sure your doctor and lab personnel know you are taking Monoket.
- Monoket should not be used in children; safety and effectiveness in children have not been confirmed.
- If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Monoket while you are pregnant. It is not known if Monoket is found in breast milk. If you are or will be breast-feeding while you use Monoket, check with your doctor. Discuss any possible risks to your baby.
Possible Side Effects
Check with your doctor if any of these most common side effects persist or become bothersome:
- dizziness; headache; nausea.
Seek medical attention right away if any of these severe side effects occur :
- severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); changes in vision; fainting; numbness of an arm or leg; severe stomach pain; sharp or crushing chest pain; sudden leg pain; sudden, severe headache; sudden shortness of breath; vomiting.
More Information
Monoket 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.
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