This product must be used according to the instructions provided by your pharmacist. For more information, read the instructions in the package carefully.

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.

Dispose of used syringes and needles safely. Your pharmacist can tell you the best way to do this.

In addition to its desired action, this medication may cause some side effects, notably:

• it may cause headaches;
• it may cause a prolonged erection;
• when used, it may cause a temporary burning sensation.

• it may cause pain in the penis;
• it may cause dizziness - use caution when getting up from a lying or sitting position and use caution if driving;

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 health care professional. He or she can help you to determine whether or not the medication is the source of the problem.

Make sure that any leftover portion is disposed of safely.