Hi welcome to Health care magic forum. As with any drug losartan
also has side effects like head ache dizziness
but it is not commen with everyone. Most may not have side effects at all. one allergic to one drug need not be allergic to all drugs.
you can swicth over to one of the several anti hypertensives which suits you.
Besides i advise you to follow some diet recomendations as avoid taking salt junk foods and oily foods to avoid hypertension
avoid taking fruits juices and brinjal to avoid allergy
and middle ear infection
. Thanks for calling.