What does XR or ER mean after a drug name?

Venlafaxine withdrawal symptoms typically last up to 3 to 4 weeks, but may persist even longer. You should avoid abruptly stopping venlafaxine treatment unless otherwise directed by your healthcare provider. Gradually reducing the dose over 4 weeks can help to prevent severe withdrawal symptoms in most people. Continue reading

In the US, Farmapram is called alprazolam (brand name: Xanax). Farmapram appears to be a common name for alprazolam in Mexico and may be manufactured in that country. It can be dangerous to purchase alprazolam on the Internet or outside the U.S. It may be against the law to bring these products into the US from a foreign country. Continue reading

Xanax is addictive because of how it works in the brain, its short duration of action, and the potent calming and anxiety-relieving effect of the medicine that some people may abuse. It also can also cause withdrawal symptoms upon abrupt discontinuation, which may lead to a pattern of continued drug use and higher doses to help alleviate symptoms. Continue reading