Excess of physical exertion may precipitate facial and eye muscle spasm. It can be due to muscle fatigue. Side effects of certain medicines can produce facial twitching. Drinking excess of coffee, or any other caffeinated drinks can cause involuntary twitching of muscles, facial muscles are one of them.
Blood and organ donors are screened in many endemic areas and, since 2006, in the US to prevent transfusion- and organ transplantârelated Chagas disease. Key Points Chagas disease is caused by Trypanosoma cruzi, which is transmitted by Triatominae (reduviid, kissing, or assassin) bugs. Infection is endemic in South and Central America and Mexico; an estimated 8 million people worldwide, including an estimated 300,000 people in the US (primarily immigrants), are infected.
Treatment for Chagas disease: There are currently two drugs for the treatment of Chagas, nifurtimox and benznidazole which may be helpful in the acute stages of the infection. (2). Once the disease progresses to the chronic stage there is no known treatment.hagas disease (Trypanosoma cruzi) is also known as American Trypnosomiasis, is caused by the parasite Triatomine bug. Kissing bugs may also be called bloodsuckers, conenose bugs, assassin bugs, or vinchuca. Order: Hemiptera, family: Reduviidae. (1) This is a protozoan disease.