Directly Observed Therapy (DOT) is an internationally acknowledged protocol for treatment of tuberculosis. Also recommended for some other infectious diseases, the therapy restricts creation of drug-resistant strains of the disease. Treatment of tuberculosis with the help of drugs evolved in early 1980s, but was soon labelled as global public health risk due to inadequately applied therapies. DOTS therapy for TB treatment was finally adopted in 1991, wherein World Health Organization cooperated with public health agencies.
Treatment for tuberculosis has come a long way since then, with effective therapies like DOTS PLUS coming in. With the view that more and more people could derive benefit out of it, treatment with DOTS PLUS or TB Drugs are structured to be cost-effective. It is estimated that short course of DOT therapy has a success percentage of 80.
Patients pursuing DOTS therapy are closely observed for the medication. The therapy is quite convenient, as progress of TB patient could be supervised either by medical professional or family member. Close observation ascertains that correct dosage of the drug is given to the patient for an effect. Because of this reason, TB treatment is carried out in residential clinic environment so that there is no negligence in the treatment.
Successful execution of DOTS includes five elements, which are briefed below:
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