cardinal rules-

• always consult your doctor not a user
•  never obtain unprescribed drugs- they may be  fake or expired or not  the drug at all
• never abuse to use consult doctor about dosage
•  know about drug interactions
• never consume it in secrecy

what are the Precautions?

1. Evaluation of erectile dysfunction by  medical assessment 
2.  identify potential underlying causes, as well as treatment options.
3. Before prescribing , it is important to note :Alpha-blockers intake
4. these drugs and alpha-adrenergic blocking agents are both vasodilators with
5. blood-pressure-lowering effects.
6. - Physicians should discuss with patients the appropriate action in the event that they experience anginal chest pain requiring nitroglycerin following intake
7. chest pain after taking these drugs should seek immediate medical attention.
8. in the event of a sudden loss of vision in one or both eyes.
9. Physicians should consider the potential cardiac risk of sexual activity in patients with preexisting cardiovascular disease. .
10. There have been rare reports of prolonged erections greater than 4 hours and priapism
11. .The use of viagra and cialis offers no protection against sexually transmitted diseases.

 Counseling of patients

about the protective measures against

•  sexually transmitted diseases, and
• Human Immunodeficiency Virus (HIV)