Repeated dosing and systemic toxicity are problems with traditional drug delivery methods. As a result, novel drug delivery systems are being developed in order to overcome these drawbacks and maximise the therapeutic benefits of medications. Other than drug delivery, hydrogels have a wide range of biomedical applications, including contact lens manufacture, wound treatments, and tissue engineering. Diffusion-based drug release from the hydrogel mesh or pores filled with water is the technique of drug delivery using hydrogel. This reservoir delivery method ensures that drug release is time-independent and consistent. Different Hydrogel-Based Drug Delivery System formulations are administered through different methods, including peroral, rectal, ophthalmic, and transdermal. The hydrogel systems can be used to treat inflammatory illnesses, heart illness and cancer, and diabetic foot ulcers, among other things.
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