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Dissolving liquid pills could be another top alternative for needle injections.
I came across this company that makes needle-free jet injection devices.
Researchers at MIT are developing crystals for drug delivery without needles.
Check this out: An Indian university has created a shock syringe that delivers pain-free injections.
https://www.indiatoday.in/education-today/news/story/iit-bombay-designs-needle-free-shock-syringe-for-painless-injections-2656151-2024-12-27
These microneedles are a promising option for pain-free injections.
https://www.medicaldevice-network.com/features/painless-needle-injection/?cf-view
This would be a godsend for people who fear needles or patients who require regular injections.