Intramuscular vaccines in patients under anticoagulant therapy, local bleeding can lead to danger. However, using a thin needle, and the dorsal surface of the forearm slightly above the wrist, such as printing can be applied firmly behind the bone and therefore a place in the vaccines administered intradermally; inconvenience. These applications may require long-term compression.
Intramuscular injection of immunoglobulin, is absolutely contraindicated because of the danger of bleeding. In such cases, intravenous gamma globulin should be used.