|  | | Interactions: |  | Barbiturates, narcotics: Possible pro-longed recovery time if ketamine is used con-comitantly. Use with caution. Dont give barbitu-rates in same syringe as ketamihe. 
 Enflurane, halothane: Significant myocardial de-pression and hypotension. Avoid concomitant use.
 
 Thyroid hormones: Possible hypertension and tachycardia. Monitor blood pressure and ECG closely.
 
 Tubocurarine, other nondepolarizing muscle re-laxants: May increase neuromuscular effects of these drugs if used together. Avoid concomitant use.
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