Incannex Healthcare Limited engages in the research, development, and sale of medicinal cannabinoid and psychedelic pharmaceutical products and therapies in Australia. It offers APIRx-1801, an ultrapure tetrahydrocannabinol; APIRx-1802, an ultrapure CBD; and APIRx-1803, an ultrapure cannabigerol. The company also develops IHL-42X, which has completed Phase IIa clinical trial for obstructive sleep apnea; Psi-GAD that is in Phase IIa clinical trial for generalized anxiety disorder; MedChew Dronabinol, which has completed Phase Ia clinical trial for nausea and vomiting in chemotherapy; CanChew Plus that has completed Phase IIa clinical trial for irritable bowel syndrome; APIRx-1601, which has completed Phase IIa clinical trial for vitiligo; APIRx-1602 that has completed Phase IIa clinical trial for psoriasis; and APIRx-1603, which has completed Phase IIa clinical trial for atopic dermatitis.