The media have picked up on a study on the use of Ketamine for depression. The authors claim quite spectacular results ("like magic") and it is possible that patients who read this are going to raise this with their GP's.
I think a little caution is advisable here. First of all it is only one study, and it is on rats. How do you know when or if a rat is depressed? The only evidence relating to Ketamine in depressed humans is purely anecdotal.
Secondly there is the issue of side effects. The article does mention the side effect of "short term psychotic reactions", which is worrying enough in itself. Bearing in mind that depression tends to require long term treatment there is a more worrying, and little known side effect, that of Ketamine Bladder. Long term Ketamine abusers can suffer this syndrome whereby over time the bladder fibroses and shrivels to the size of a walnut, meaning they have to pee every 15 minutes. It may be that this syndrome is due to the other things found in adulterated street Ketamine, but urinary symtoms have been reported in those on prescription ketamine.
Fortunately I doubt there are many, if any GP's out there who would consider prescribing this until much more hard evidence is available.
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18 hours ago
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ReplyDeletehttp://www.ketamine.com/antidepressant-potential.html
Ketamine has to be given IV (when treating depression) so presumably any GP enquiry would result in onward referral - assuming there is an NHS psychiatrist willing to offer this type of experimental approach?
From the little I know ketamine has only been used to treat patients with severe symptoms, and have failed to respond to the usual anti-depressants.
By the by, Ketamine is an incredibly useful anaesthetic drug for children undergoing painful procedures in A&E (things like facial suturing, etc).
I think the upper age limit is 11 (or is it 13?) due to increased risk of 'emergence phenomena'
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I'm not sure how a psychiatrist would treat emergence phenomena in a depressed adult assuming they were brave enough to use ketamine in the first place?
the a&e charge nurse