Yes, triglyceride levels can increase suddenly. This can happen due to several factors, including diet, lifestyle, and certain medical conditions. Consuming excessive amounts of the wrong types of fats can raise your blood triglycerides. Additionally, consuming low-quality carbohydrates can cause a sudden rise in insulin levels, which may lead to a spike in triglycerides. Furthermore, triglycerides can also become elevated as a reaction to having conditions such as diabetes, hypothyroidism, or kidney disease. read more >>

As with cholesterol, eating too much of the wrong kinds of fats will raise your blood triglycerides. ... All of these low�Cquality carbs cause a sudden rise in insulin, which may lead to a spike in triglycerides. Triglycerides can also become elevated as a reaction to having diabetes, hypothyroidism, or kidney disease.read more >>