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27th February 2024
A 58-year-old man who has recently travelled oversees presents with lethargy, weight loss and mild breathlessness.
A 58-year-old man who has recently travelled oversees presents with lethargy, weight loss and mild breathlessness. Investigations confirm a diagnosis of TB and so he is started on RIPE regimen. After a few days, the patient returns with complaint of tingling sensation in his feet and problems with colour vision. His medications are as follows:
| DATE | DRUG NAME | DOSE | ROUTE | FREQUENCY | Prescriber’s Signature |
| 10/1/21 | RIFAMPICIN | 500MG | ORAL | ONCE DAILY | DR |
| 10/1/21 | ISONIAZID | 40MG | ORAL | ONCE DAILY | DR |
| 10/1/21 | PYRAZINAMIDE | 500MG | ORAL | THRICE DAILY | DR |
| 10/1/21 | ETHAMBUTOL | 500MG | ORAL | PRN | DR |
| 10/1/21 | PARACETAMOL | 500MG | ORAL | PRN | DR |
| 10/1/21 | OMEPRAZOLE | 20MG | ORAL | ONCE DAILY | DR |
Select the single most likely drug that has caused the peripheral neuropathy and ocular symptoms.
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