| Medikinet MR modified-release capsules, hard | - | - |  13/11/19 | Methylphenidate Hydrochloride | Flynn Pharma Ltd |
| Medikinet Tablets | - | - | 13/11/19 | Methylphenidate Hydrochloride | Flynn Pharma Ltd |
| Megace 160mg Tablets | - |  18/02/15 | 24/07/18 | megestrol acetate | Swedish Orphan Biovitrum Ltd |
| Megace 40 mg/ml Oral Suspension | - | 07/03/19 | 07/03/19 | megestrol acetate | Swedish Orphan Biovitrum Ltd |
| Mekinist 0.5mg and 2mg film-coated tablets | - | 18/07/19 | 28/11/19 | Trametinib dimethyl sulfoxide | Novartis Ireland Limited |
| Mektovi 15 mg film-coated tablets | | 12/08/19 | 25/02/19 | Binimetinib | Pierre Fabre Limited |
| Memantine Hydrochloride 10mg/ml Oral Solution | - | 21/06/16 | 23/08/18 | Memantine hydrochloride | Gerard Laboratories |
| Memantine Mylan 10 mg film-coated tablets | - | 19/03/19 | 27/09/18 | Memantine hydrochloride | Gerard Laboratories |
| Menitorix powder and solvent for solution for injection | - | 27/09/19 | 27/09/19 | Hib/Meningococcal group C combined vaccine | GlaxoSmithKline (Ireland) Ltd |
| MENJUGATE 10 micrograms suspension for injection (PFS) | - | 26/02/19 | 17/04/19 | Meningococcal group C conjugate vaccine | GlaxoSmithKline (Ireland) Ltd |
| Menopur 1200IU powder and solvent for solution for injection | - | - | 27/01/16 | Menotrophin | Ferring Ireland Limited |
| Menopur 600IU powder and solvent for solution for injection | - | - | 27/01/16 | Menotrophin | Ferring Ireland Limited |
| Menopur 75IU Powder and Solvent for Solution for Injection. Menotrophin (HMG) | - | - | 28/07/15 | Menotrophin | Ferring Ireland Limited |
| Menveo, powder and solution for solution for injection | - | 05/06/19 | 05/06/19 | Meningococcal Group A, C, W135 and Y conjugate vaccine | GlaxoSmithKline (Ireland) Ltd |
| Mepact 4mg powder for suspension for infusion | - | 26/03/19 | 08/03/19 | Mifamurtide | Takeda Products Ireland Ltd |
| Meptid 100 mg/ml Solution for Injection | - | 22/09/17 | 31/03/15 | Meptazinol hydrochloride | Almirall Limited |
| Meptid 200 mg Film-Coated Tablets | - | 22/09/17 | 05/08/15 | Meptazinol hydrochloride | Almirall Limited |
| Mercilon | - | 23/04/19 | 23/04/19 | Desogestrel, Ethinylestradiol | MSD Ireland (Human Health) Limited |
| Meronem I.V. 1g | - | 10/12/19 | 10/12/19 | Meropenem Trihydrate | Pfizer Healthcare Ireland |
| Mestinon 60mg Tablets | - | 06/12/18 | 05/12/18 | Pyridostigmine Bromide | Mylan IRE Healthcare Limited |
| Metalyse 10,000 units | - | 25/09/18 | 26/10/17 | Tenecteplase | Boehringer Ingelheim Limited |
| Metalyse 8,000 units | - | 25/09/18 | 25/10/17 | Tenecteplase | Boehringer Ingelheim Limited |
| Metatone Tonic | - | 21/04/17 | 25/04/17 | Calcium glycerophosphate, Manganese glycerophosphate, Potassium glycerophosphate, Sodium glycerophosphate, Thiamine Hydrochloride (Vitamin B1) | Chefaro Ireland Ltd |
| Metformin Hydrochloride 500mg/5ml Oral Solution | - | 08/08/19 | 08/08/19 | Metformin Hydrochloride | Rosemont Pharmaceuticals Limited |
| Methadone HCL Sugar Free 1mg/1ml Oral Solution | - | 21/10/19 | 31/07/19 | Methadone Hydrochloride | Rosemont Pharmaceuticals Limited |
