If you dream you get an injection for medical reasons, the interpretation is that you need time to develop to a higher mental and spiritual level. You want to get emotional high or you need time to heal. Alternatively, the dream may be a metaphor that you need to 'inject” more energy in your work. The meaning of dreaming that someone is forcibly injected is related to your negative attitudes about a situation / person. The dream also indicates the influence of peer pressure on you. You recognize that someone is forcing his negative and undesirable views on you.
You may look in dreams interpretation for other symbols :
Ink : If you dream about ink, the dream represents creativity. You adopt a new way of seeing things. If the ink is spilled in your dream, the interpretation is related ... >tml">
Insects : The meaning of dreaming about insects is related to some minor obstacles that must be overcome. There are minor problems and sorrows that should be treated. ...