What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Anemia
- Head injury, recent stroke, or bleeding in the brain
- Liver disease
- Previous heart attack
- An unusual or allergic reaction to nitroglycerin, other medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
- Breast-feeding
What may interact with this medication?
Do not take this medication with any of the following:
- Certain migraine medications, such as ergotamine and dihydroergotamine (DHE)
- Medications used to treat erectile dysfunction, such as sildenafil, tadalafil, and vardenafil
- Riociguat
This medication may also interact with the following:
- Alteplase
- Aspirin
- Heparin
- Medications for blood pressure
- Medications for depression
- Other medications used to treat angina
- Phenothiazines, such as chlorpromazine, mesoridazine, prochlorperazine, thioridazine
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Tell your care team if you feel your medication is no longer working.
Keep this medication with you at all times. Sit or lie down when you take your medication to prevent falling if you feel dizzy or faint after using it. Try to remain calm. This will help you to feel better faster. If you feel dizzy, take several deep breaths and lie down with your feet propped up, or bend forward with your head resting between your knees.
This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
Do not treat yourself for coughs, colds, or pain while you are taking this medication without asking your care team for advice. Some ingredients may increase your blood pressure.