Medications are prescriptions and FDA approved. These are also given as injections:

Dexamethasone (Decadron) - anti-inflammatory, corticosteroid

Diphenhydramine (Benadryl) - allergic reactions, itching

Ketorolac (Toradol) - NSAID, pain relief

NAD+ - anti-aging, anti-oxidant, metabolism

Ondansetron (Zofran) - anti-nausea, anti-vomiting

Sermorelin - growth hormone releasing peptide