How to use Cialis

Use Cialis as directed by your doctor. Check the label on the medicine for exact dosing instructions.

	An extra patient leaflet is available with Cialis . Talk to your pharmacist if you have questions about this information.
	Take Cialis by mouth with or without food.
	Cialis may be taken up to 36 hours before sexual activity, as directed by your doctor.
	Do not take Cialis more often than once daily, or as directed by your doctor.
	Check with your doctor before you eat grapefruit or drink grapefruit juice while you are taking Cialis.
	If you miss a dose of Cialis and you still intend to engage in sexual activity, take it as soon as you remember. Continue to take it as directed by your doctor.
	Ask your health care provider any questions you may have about how to use Cialis .

Do NOT use Cialis if:

	you are allergic to any ingredient in Cialis
	you have severe liver problems or certain hereditary degenerative eye problems (eg, retinitis pigmentosa)
	you have certain heart problems (eg, unstable angina, angina during sexual intercourse, severe heart failure, uncontrolled irregular heartbeat), low blood pressure, or uncontrolled high blood pressure
	you have had a heart attack within the past 90 days or a stroke within the past 6 months
	you are taking nitrates (eg, isosorbide, nitroglycerin) in any form (eg, tablet, capsule, patch, ointment) or nitroprusside
	you have been advised by your doctor to avoid sexual activity because of heart problems
	you use certain recreational drugs called "poppers" (eg, amyl nitrate, butyl nitrate)
	Contact your doctor or health care provider right away if any of these apply to you