This medication is a vasodilator (it dilates the blood vessels). Typically, it is used to relieve angina (chest pain due to a heart condition). Its effects can be felt within a few minutes.
This medication must be easily accessible at any time.
Use this product according to the package's instructions.
Use the medication at the first sign of an attack. Sit or lie down after using it. If you don't feel better within 5 minutes, you may use up to 2 more doses, each 5 minutes apart. If you are still not better after 3 doses, seek medical attention immediately.
Generally, this medication is used only as needed.
In addition to its desired action, this medication may cause some side effects, notably:
Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your doctor or pharmacist. He or she can help you to determine whether or not the medication is the source of the problem.
This product is sensitive to heat. Store it at room temperature, in a secure location where it will not be exposed to excessive heat, moisture or direct sunlight. Make sure that any leftover portion is disposed of safely.
Blood donation is usually refused during this treatment.
It is important to tell the health professionals you consult: