Rituximab (Rituxan and MabThera) is a drug used to treat rheumatoid arthritis that has not improved with other types of medications, as well as certain forms of vasculitis.
When a Roth IRA May Be Better Than TSP. Like a 401k retirement plan, the federal Thrift Savings Plan requires you to pay taxes on both your contributions and earnings that you withdrawal during retirement. While a Roth IRA allows investors to withdrawal their contributions and earnings in retirement tax-free after they reach 59 Â½ years of age.
Disadvantages of a Roth TSP. There are two key downsides to the Roth TSP as compared to the traditional TSP. 1  First, for high-income investors, the traditional TSP may make more sense since it provides them with a significant near-term tax break. 2  Second, employer-funded, matching contributions will not change because of the Roth feature.