My father age about 73 years is suffering from runny nose,cough ,watery eyes, along with fever around 103 yesterday today it is 101 after taking calpol 500 in interval of 6 hours...he is having blood pressure and diabetic, is blood pressure was yesterday 160/80 and sugar pp is 190 he is on glycomet trio, met xl trio,a and telma ln 40 ,also silodosil d for prostate ... Due to fever he is having weakness is there any medicine for weakness or any saline which does not affect pressure