| Category of Drug | Methylene Blue (Methylthioninium Chloride) is an Antidotes and Substances Used in Poisoning |
| Mechanism of Action | |
| Indications | Methylene Blue (Methylthioninium Chloride) is used for 1. Acute methaemoglobinaemia |
| Well Known Pharmaceutical Brands | |
| Available dosage forms | INJECTION |
| Dose | |
| Contraindications | 1. Severe renal impairment 2. methaemoglobinaemia due to chlorate or induced by sodium nitrite in the treatment of cyanide poisoning |
| Precautions | 1. Pregnancy 2. Lactation. 3. G-6-PD deficiency-may cause haemolytic anaemia 4. Monitor blood methaemoglobin throughout treatment |
| Adverse Effects | 1. Nausea 2. Vomiting 3. Abdominal pain 4. Chest pain 5. Headache 6. Dizziness 7. Confusion 8. Profuse sweating 9. Hypertension or hypotension 10. Haemolytic anaemia-in G-6-PD deficiency |
| Pregnancy Category | C |
