Hi My Dad Woke Up This Morning Around 8 Am.

Hi my dad woke up this morning around 8 am. does light floor exercises, just stretching. felt dizzy, coffee didnt taste right this am. Sat down in his chair experienced hot flashes in head and shoulder area. half a dozen hot flashes this am. no nausea. He is 94 years of age and in fairly good condition. Knee problems only. not on any perscriptions for any health issues.