This medication is typically used for erectile problems in men. Its effects can be felt within 1 hour.
Certain heart medication (nitrates) must be avoided while taking this product. If in doubt, consult your doctor or pharmacist.
Generally, this medication is used only as needed. Important: Follow the instructions on the label. Do not use more of this product, or more often, than prescribed.
This medication does not produce erections by itself. It simply facilitates erections with sexual arousal. It may be taken with or without food. Taking it with a high fat meal, however, can delay its onset. Avoid grapefruit and grapefruit juice during your treatment. Grapefruit can seriously affect how this medication works.
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.
As with most medications, this product should be stored at room temperature. Store it in a secure location where it will not be exposed to excessive heat, moisture or direct sunlight. Keep it out of reach of young children. Make sure that any leftover portion is disposed of safely.
If you have an erection which lasts continuously for 4 hours or more, you should contact a doctor immediately.
This medication may interact with other medications or supplements, sometimes significantly. Many interactions, however, may be dealt with by a dosage adjustment or a change in medication schedule. Check with your pharmacist before using this medication in combination with any other medications (including non-prescription products), vitamins or natural products.
It is important to tell the health professionals you consult: