| Levothyroxine Sodium | 🇺🇸United States | 100MCG/5ML, 100MCG/ML, 200MCG/5ML … | solution | Marketed | Hikma |
| Levothyroxine Sodium | 🇺🇸United States | 0.025MG, 0.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.050MG … | tablet | Marketed | Macleods Pharms LTD |
| Levothyroxine Sodium | 🇺🇸United States | 100MCG/VIAL, 200MCG/VIAL, 500MCG/VIAL | powder | Marketed | Piramal Critical |
| Levothyroxine Sodium | 🇺🇸United States | 0.075MG, 0.088MG, 0.112MG … | capsule | Not marketed | Ani Pharms |
| Levothyroxine Sodium Injection | 🇨🇦Canada | 40 MCG / ML | Solution | Marketed | Fresenius Kabi Canada LTD |
| Levothyroxine Sodium Injection | 🇨🇦Canada | 100 MCG / ML | Solution | Marketed | Fresenius Kabi Canada LTD |
| Levothyroxine Nycomed 0,05, tabletten 0,05 mg | 🇳🇱Netherlands | | Tablet | Authorised | Takeda Nederland B.V. |
| Levothyroxine Nycomed 0,1, tabletten 0,1 mg | 🇳🇱Netherlands | | Tablet | Authorised | Takeda Nederland B.V. |
| Levothyroxine Sodium for Injection | 🇨🇦Canada | 500 MCG / VIAL | Powder For Solution | Marketed | Avir Pharma INC. |
| Levothyroxine Sodium for Injection | 🇨🇦Canada | 500 MCG / VIAL | Powder For Solution | Marketed | Fresenius Kabi Canada LTD |
| Levothyroxine Sodium for Injection | 🇨🇦Canada | 200 MCG / VIAL | Powder For Solution | Marketed | Avir Pharma INC. |
| Levothyroxine Abdi 25 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 50 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 75 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 100 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 125 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 150 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 175 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Abdi 200 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Abdi Farma GmbH |
| Levothyroxine Accord 25 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Accord Healthcare B.V. |
| Levothyroxine Accord 50 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Accord Healthcare B.V. |
| Levothyroxine Accord 75 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Accord Healthcare B.V. |
| Levothyroxine Accord 88 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Accord Healthcare B.V. |
| Levothyroxine Accord 100 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Accord Healthcare B.V. |
| Levothyroxine Accord 112 microgram tabletten | 🇳🇱Netherlands | | Tablet | Authorised | Accord Healthcare B.V. |