Chest pain vitamin

Hypoprothrombinemia may occur in malabsorption syndromes and also the use of broad-spectrum antibiotics may produce a hypoprothrombinemia that responds readily to small doses of vitamin K. In premature infants and in infants with hemorrhagic disease of the newborn the use of vitamin K may be indicated. However, the main indication for the use of vitamin K is to antagonize the anticoagulant activity of coumarins. Oral absorption of phytonadione and the menaquinones is by the lymph while menadione and its water-soluble derivatives are absorbed directly. The absorption of phytonadione is energy-dependent and saturable. Intravenous administration of phytonadione has produced flushing, dyspnea, chest pains, and cardiovascular collapse. 

Claims that high doses of folic acid (up to 200 times the RDA for this vitamin) are beneficial in the prevention and treatment of myocardial infarction and chest pain, allegedly because of the vitamin s ability to block the action of XO and help rebuild plasmalogen, are based on the observation that folic acid in high concentrations inhibits XO activity in vitro (Clifford et al. 1983 DeRenzo 1956). However, several investigators (Clifford et al. 1983 Ho and Clifford 1976 Kaplan 1980) have provided direct experimental data to the contrary—that is, indicating that folic acid does not inhibit XO activity in the body. 

A variety of antioxidants are added to food including vitamin C and vitamin E. Two antioxidants that may occasionally cause problems are butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA), which have been associated with symptoms such as eczema, skin rash, runny nose, wheezing, headache, chest pain, flushing of the skin, and red eyes. At the same time, it has been reported that these antioxidants may be helpful in preventing cancer, possibly by removing damaging free radicals such as reactive oxygen and its by-products from fatty acids. 

Observational studies The effect of daily therapy with lyg alfacalcidol for 6 months on musculoskeletal function in elderly patients with reduced bone mass has been examined. Adverse effects reported included epigastric pain, nausea, vomiting, agitation, chest pain, asthenia, dehydration, malaise, muscle spasm, pruritus and gastroenteritis. No serious adverse reactions or hypercalcaemia was observed [35 -]. No adverse events were associated with vitamin... 

Vitamins Ki and K2 require bile salts for absorption from the intestinal tract. Vitamin Kl is available clinically in oral and parenteral forms. Onset of effect is delayed for 6 hours but the effect is complete by 24 hours when treating depression of prothrombin activity by excess warfarin or vitamin deficiency. Intravenous administration of vitamin Ki should be slow, because rapid infusion can produce dyspnea, chest and back pain, and even death. Vitamin repletion is best achieved with intravenous or oral administration, because its bioavailability after subcutaneous administration is erratic. Vitamin Ki is... 

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