Company Profile. Integra LifeSciences, a world leader in medical technology, is dedicated to limiting uncertainty for surgeons, so they can concentrate on providing the best patient care. Integra offers innovative solutions in orthopedic extremity surgery, neurosurgery, and reconstructive and general surgery.
There are subtle differences in how long the drug works and how quickly it works. Levitra works a little longer than Viagra. They both take effect in about 30 minutes. With Levitra, the effects last for about 5 hours. With Viagra, the effects last approximately 4 hours. Cialis works a bit faster (within about 15 minutes), and the effects last much longer -- up to 36 hours in some cases. Stendra can start working in as little as 15 minutes and last up to 6 hours.
HomeDrugTestingKit.com reports that benzodiazepines, sedatives including such drugs as Ativan and Xanax, can remain in the system for up to 10 days. The opioid family of medication, including such drugs as Percocet and Vicodin, can also last up to 10 days in the body. Anti-depressants also last up to 10 days in the body, especially if you have been taking them regularly for longer than a month.