Injection drug use Including intravenous The intramuscular The Subcutaneous The advantage of this method is that the drug enters the bloodstream, spreading to areas where the disease and see ya soon. This method is suitable for use to treat a sudden want to see results. The disadvantage of this method is inconvenient because it requires the skills of a drug, it must be done by a doctor or nurse. The drugs often cause pain Drug prices are quite expensive The risk of harm from the drug high. Thus, the drug by injection, so often used when necessary.
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