Intravenous metoclopramide, intravenous prochlorperazine, or intranasal lidocaine are other potential options. Topical anesthesia using lidocaine topical gel is often used for quick procedures. Lidocaine, an anesthetic, and steroids may be injected into joints for longer-term pain relief. Pain relief may also be achieved through use of opioids, ketamine, calcitonin, and lidocaine. Less significant drugs found in Jackson's body were midazolam, diazepam, lidocaine, and ephedrine. These were the cardiac glycosides, quinidine, propranolol, lidocaine and diphenylhydantoin. It usually consists of an antacid and the anaesthetic lidocaine. These include creams and ointments containing lidocaine, estrogen or tricyclic antidepressants. Atropine, phenytoin, cholestyramine and lidocaine may prove useful in its management. Topical lidocaine and nerve blocks may also reduce pain. Pretreatment includes 100% oxygen, lidocaine, and atropine. This includes the use of atropine, lidocaine, and amiodarone. Numbing medication, such as topical lidocaine, may also help. Morphine, cocaine, lidocaine and alcohol were all found in his system. They include lidocaine, mexiletine and phenytoin.