Feeling bad after thigh lift, arm lift and lipo of flanks and back

I feel really lethargic and tired 4 weeks out from a long thigh lift, arm lift and lipo of flanks and back, low in iron maybe? Is there a significant blood loss with that procedure? Have stopped pain releif , was thinking that was giving me hungover feeling, recovery has gone great with no separation or infection. Should i make appointment with gp for bloods

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