Yes, an online doctor can prescribe medication. However, not all telehealth companies can offer that. Moreover, some medicines could be off the table due to a higher risk of abuse, for instance, opiates and opioids, even if you are contacting for a refill. Yes, an online doctor can prescribe medication. However, not all telehealth companies can offer that. Moreover, some medicines could be off the table due to a higher risk of abuse, for instance, opiates and opioids, even if you are contacting for a refill.