Hi welcome to health care magic forum.
It appears that he has some side effect with the
pravastatin 80, so the dose is reduced to 40. the side effect might be the gastric irritation, He is using
spirulina, and coq10, so the gastric irritation would have increased.
I advise you to have a check up, with his doctor for treating the light headed ness.
I usually prescribe to my patient with such symptoms
ranitidine to combat the gastric irritation and have a trial.If it is relieved, he can be done with it.
Take more of green leafy vegetables, pulses, sprouts, and protein rich foods to compensate the ill health.
Wishing for a quick and complete recovery.Thank you.