Apo‑Azathioprine 50 mg Tablets by Apotex are prescription oral tablets supplied in a 100‑count bottle. Each pale yellow, peanut‑shaped, scored tablet is engraved “AZ 50” on one side and “APO” on the other for easy identification. The active ingredient is azathioprine 50 mg per tablet, with non‑medicinal ingredients lactose, magnesium stearate, microcrystalline cellulose, and starch. Classified as an immunosuppressant, this product carries DIN 02242907 and requires a prescription in Canada, including Quebec.