Prozac (fluoxetine) is an oral drug used for treating depression, bulimia, obsessive-compulsive disorder (OCD), panic disorder, and premenstrual dysphoric disorder (PMDD). It is in a class of drugs called selective serotonin reuptake inhibitors (SSRIs). A generic formulation is available.
There are a few causes of neuropathy. The most common is diabetes, as the high sugar damages the nerves. Other causes include low vitamin levels, abnormal thyroid levels, some infections (like syphilis or Lyme's disease) and rarely some cancers (like multiple myeloma). Talk to your doctor about these. The warm sensation in your feet can also be a manifestation of restless leg syndrome. Restless leg syndrome is more commonly described as the need to move your legs (mostly at night) but different people describe it differently. There are various treatments that are available.
When you have the feeling of freezing then burning sensation all over your body, it usually means that your body is battling a bacterial infection/imbalance. It perhaps may have been something you have eaten during the day. If you only experience hot flashes it may be due to anxiety attacks. Anxiety however will not cause hot and cold flashes to occur. The other cause may be due to the intake of medication; particularly antibiotics. Antibiotics causes your body to lose the correct balance of good and bad bacteria in your body.