Lithium is used for the treatment of bipolar disorder. Specifically, it is approved to treat manic episodes (but not depressive episodes). It is also approved as a maintenance treatment, which is a long-term treatment to help prevent episodes of mania or depression. Lithium has not been approved for treating bipolar disorder in children under 12 years old. Occasionally, lithium is also used  off-label  for treating other conditions.
A poison ivy rash itself isn't contagious â blister fluid doesn't contain urushiol and won't spread the rash. And you can't get poison ivy from another person unless you've touched urushiol that's still on that person or his or her clothing. 1  Symptoms. 2  Risk factors.
Approximately 50% of persons who contact poison ivy will develop symptoms. The symptoms vary in severity from person to person. The plant oil can begin to penetrate the skin within 5-10 minutes of contact. Poison ivy rash can appear in as little as 4 hours or as long as 2-3 weeks after exposure.