mersalyl theophylline

例句：

1. 1. This medication is used to treat chronic pain and fever.
   这种药物用于治疗慢性疼痛和发热。
2. 2. The patient was given a prescription for mersalyl theophylline.
   患者被开了一张美洛昔康的处方。
3. 3. The doctor prescribed mersalyl theophylline for his patient's headaches.
   医生为他的患者的头痛开了美洛昔康的处方。