The formula for simple interest is I = prt where I is the simple interest, p is the principal, r is the rate of interest, and t is the period of time.
No anti-anxiety medication is completely safe during pregnancy, but some are much safer than others. The least safe anti-anxiety medications during pregnancy are benzodiazepines, such as Xanax and Valium. They inhibit brain function by enhancing the potency of the neurotransmitter GABA. According to a study published in the November 2007 issue of Pharmacoepidemiology and Drug Safety, benzodiazepines increase the risk of low birth weight, preterm birth and congenital malformations.
Diffen âº Health âº Medication âº Drugs. Ativan (lorazepam) and Xanax (alprazolam) are benzodiazepines (colloquially called benzos) used to treat anxiety disorders. Xanax is also prescribed for panic disorders. Both drugs work by enhancing the effect of the neurotransmitter GABA in the brain and are unsafe in pregnancy.