Comparing Viagra, Cialis and Levitra

	Viagra	Cialis	Levitra
Manufacturer	Pfizer	Eli Lilly	GlaxoSmithKline & Bayer
Chemical name	Sildenafil	Tadalafil	Vardenafil
Drug Released on the Market	1998	2003	2003
Lasting Effects	4 hours	36 hours	5 hours
Restrictions	Do not take Viagra if you are at risk of for a heart attack or stroke or have serious heart disease without consulting your doctor.	Do not take Cialis if you are at risk of for a heart attack or stroke or have serious heart disease without consulting your doctor.	Do not take Levitra if you are at risk of for a heart attack or stroke or have serious heart disease without consulting your doctor.
Ok to use with the following conditions	- Diabetes - Spinal Cord injury - Depression	- High Cholesterol - Diabetes	- Diabetes - Spinal Cord injury
Contraindications	Do not take Viagra if you are taking the following medications: - nitrates for hypertension or angina. - Revatio or other medications for ED - recreational drugs amyl nitrite or butyl nitrite - Do not take Viagra if you are allergic to any of the ingredients in this pill.	Do not take Cialis if you are taking the following medications: - nitrates for hypertension or angina. - Revatio or other medications for ED - recreational drugs amyl nitrite or butyl nitrite - blood pressure medications -antifungal agents - erythromycin - excessive alcohol - Do not take Cialis if you are allergic to any of the ingredients in this pill.	Do not take Levitra if you are taking the following medications: - nitrates for hypertension or angina. - Revatio or other medications for ED - recreational drugs amyl nitrite or butyl nitrite - do not drink grapefruit juice while taking this pill
Side Effects	Common and mild side effects include: - Back pain/muscle aches, - upset stomach - facial redness - headaches	Common and mild side effects include: - Back pain/muscle aches, - upset stomach* - facial redness - headaches - stuffy or runny nose *back pain and muscle aches will occur within 12-24 hours of taking Cialis. Symptoms should disappear within 48 hours.	Common and mild side effects include: - Headache - redness in the face - indigestion - stuffy nose
Unusual Side Effects	Change in vision-usually bluish tinge or blurred vision and sensitivity to light. decrease in vision and hearing.	Change in vision-usually bluish tinge or blurred vision and sensitivity to light.	Change in vision-usually bluish tinge or blurred vision and sensitivity to light.
Contact a doctor immediately with the following side effects	- Erection lasting more than 4 hours - Sudden loss in hearing or vision - Chest pain, nausea or other discomfort during sex.	- Erection lasting more than 4 hours - Sudden loss in hearing or vision - Chest pain, nausea or other discomfort during sex.	- Erection lasting more than 4 hours - Sudden loss in hearing or vision - Chest pain, nausea or other discomfort during sex.
Dose	25 mg, 50mg 100mg	2.5mg 5mg 10mg 20mg	2.5 mg 5mg 10mg 20mg
Dosing options	As needed	Daily and as needed	As needed
Tablets	Blue diamond shape with pfizer embedded on one side & VGR on the other side followed by the dosage.	Yellow almond shape with C and a 10 or 20 on the front. Nothing on the other side.	Criss-cross Bayer insignia on one side and on the other side is a 10 or 20. Pill is pinkish tan.
Effectiveness	Work in 70% of men	Work in 70% of men	Work in 70% of men
Contact phone number	1-866-706-2400	1-800-545-5979	1-888-825-5249
Website	www.viagra.com	www.cialis.com	www.levitra.com
Nickname	Little Blue Pill	The Weekend Pill	None
When to Take	30 minutes to 1hour before sex.	30 minutes to 12 hour before sex.	1 hour before sex.
Can Be taken Daily in Case I Have Sex	No-Viagra should only be taken when sex is planned.	Yes-Cialis has a once a day version of the pill.	No-Levitra should only be taken when sex is planned.
How Often Can Pill be Taken	Once every 24 hours	Once every 24 hours	Once every 24 hours
Is it available in a generic format?	No	No	No
Can I eat with the pill?	Yes but high fat meals will slow its absorption	Yes	Yes
Storage	Optimum storage temperature is 77F in a cool dry place	Optimum storage is between 59-86F in a cool place	Optimum storage is 59-86 degrees in a dry place.
How Can I Get This Pill?	Prescription only	Prescription only	Prescription only
Where Can I get the pill?	Local or online pharmacy	Local or online pharmacy	Local or online pharmacy
Who Should Take a Lower Dose?	- Men over 65 - Those with liver or kidney disease. - Men taking protease inhibitors. - Men taking alpha blockers	- Men over 65 - Those with liver or kidney disease. - Men taking protease inhibitors. - Men taking alpha blockers	- Men over 65 - Those with liver or kidney disease. - Men taking protease inhibitors. - Men taking alpha blockers
Protects Against Sexually Transmitted Diseases	No	No	No
Can be used as birth control	No	No	No
How Long Will Pill Remain in Body After Taking	3 days	2 days	3 days
What Should I Tell My Doctor Before Taking Pill	Tell your doctor if you have any of the following conditions: - heart disease - high or low blood pressure - liver disease - kidney disease - vision problems including NAION or retinitis pigmentosa - Peyronies disease - blood cell conditions such as leukemia, sickle cell anemia or multiple myeloma.	Tell your doctor if you have any of the following conditions: - heart disease - high or low blood pressure - liver disease - kidney disease - vision problems including NAION or retinitis pigmentosa - Peyronies disease - blood cell conditions such as leukemia, sickle cell anemia or multiple myeloma.	Tell your doctor if you have any of the following conditions: - heart disease - high or low blood pressure - liver disease - kidney disease - vision problems including NAION or retinitis pigmentosa - Peyronies disease - blood cell conditions such as leukemia, sickle cell anemia or multiple myeloma.
Will This Cure my ED	No	No	No
Will This Pill Increase my Sex Drive	No	No	No