The Patient's Current Drug Therapy and Anesthesia

Should you discontinue all of the patient's current drug therapy preoperatively?

Not necessarily. The anesthesiologist, however, should be aware of any potential adverse drug interactions.

For drugs that the patient may be taking...

What drugs would increase the anesthetic requirements for volatile drugs?

1. Monoamine oxidase inhibitors

2. **Chronic** alcohol abuse

3. Acute dextroamphetamine

4. Acute cocaine

What drugs decrease anesthetic requirements for volatile drugs?

1. **Acute** alcohol intoxication

2. Alpha methyldopa

3. Clonidine

4. Chronic amphetamine abuse

5. Verapamil

What drugs potentiate neuromuscular blockers?

1. Magnesium

2. Aminoglycoside antibiotics

3. Lidocaine

4. Lithium

5. Quinidine

What drugs exaggerate responses to sympathomimetics?

1. Monoamine oxidase inhibitors

2. Tricyclic antidepressants

What drugs reduce peripheral sympathetic nervous system activity?

1. Alpha methyldopa

2. Guanethidine

3. Clonidine

4. Propranolol or other beta blockers

What drugs enhance metabolism?

1. Barbiturates

2. Phenytoin

3. Chronic ethanol abuse

4. Corticosteroids

5. Organophosphates