Capillaries are tiny thin-walled blood vessels that connect the smallest arteries and veins and allow the exchange of nutrients and waste between the blood and tissues.
However, one must take into account the reality of patient behavior and the price of unsuccessful or incomplete therapy. Three to six days of oral antibiotics for children with streptococcal throat infection is a safe treatment with a comparable effect to the standard duration of 10 days of penicillin. However, our results must be interpreted with caution in low-income countries where acute rheumatic fever is still a problem.
More importantly, antibiotics are effective in preventing the uncommon potential complications of strep throat. Without antibiotic treatment, strep throat will generally improve on its own within 2 to 5 days, as it is a self-limited disease that will run its course without complications in the majority of cases.