In the biblical context, dreaming of an injection can symbolize the act of receiving something external—be it healing, wisdom, or even temptation. The Bible frequently uses metaphors of healing, such as 'by His stripes we are healed' (Isaiah 53:5), suggesting that an injection could represent divine intervention or the acceptance of God's correction. Alternatively, it may serve as a warning against allowing corrupting influences into one's life, echoing Paul's caution in 1 Corinthians 15:33: 'Do not be misled: Bad company corrupts good character.' Thus, the dream may reflect spiritual openness to God's work or a need for vigilance against negative influences.

In Buddhist symbolism, an injection may represent the introduction of new karmic seeds or influences into the stream of consciousness. Accepting an injection can reflect openness to change, healing, or the acceptance of suffering as part of the path to enlightenment (dukkha). Fear or resistance may indicate attachment or aversion, hindering progress on the path. The unknown substance emphasizes impermanence and uncertainty, reminding the dreamer to cultivate mindfulness and equanimity.

Culturally, injections are often associated with medicine, health, and sometimes fear of pain or the unknown. In dreams, they can symbolize the need for healing, intervention, or the acceptance of something foreign into one's life. The act of giving or receiving an injection may reflect societal attitudes toward authority, trust in science or medicine, and anxieties about bodily autonomy or external control. The unknown substance often mirrors collective fears about new technologies or changes.

In Hindu dream interpretation, an injection may symbolize the transmission of shakti (energy), knowledge, or purification. Receiving an injection can indicate readiness for spiritual growth or the removal of impurities (samskaras) from the subtle body. Fear or resistance might reflect internal obstacles or reluctance to undergo necessary transformation. The unknown substance could represent the mysterious workings of karma or divine will, urging surrender and trust in the cosmic process.

Within Islamic dream interpretation, receiving an injection may signify healing, purification, or protection, as Allah is known as Ash-Shafi (the Healer). It can also represent the acceptance of beneficial advice or medicine, in line with hadiths that encourage seeking treatment. However, if the dreamer feels fear or reluctance, it may indicate resistance to necessary guidance or change. The ambiguity of the injected substance can point to uncertainty about what is being introduced into one's life, highlighting the Quranic principle of discernment (Quran 49:6).

Psychologically, injections in dreams often symbolize the introduction of new ideas, influences, or changes—sometimes perceived as invasive or necessary for growth. Receiving an injection may reflect a willingness to accept help, undergo transformation, or confront anxieties about change. Fear or resistance can signify apprehension about vulnerability or loss of control, while administering an injection to another might indicate a desire to influence or heal others. The unknown substance embodies uncertainty about the impact of new experiences or decisions.

Spiritually, an injection can represent the infusion of new energy, wisdom, or spiritual insight into one's being. It may symbolize a period of transformation, cleansing, or awakening, where the dreamer is open to receiving higher guidance or healing. Resistance or fear could indicate inner blocks to spiritual growth or reluctance to embrace necessary changes. The unknown substance may signify the mysterious nature of spiritual experiences and the need for trust in the process.