What is Hay Fever (allergic rhinitis)?
...FAQs u003cstrongu003eDoes antihistamine cause tiredness?u003c/strongu003e u003cstrongu003eMany systemic antihistamines cause drowsiness as a side-effect.u003c/strongu003e Doctors oftenu003cbru003eadvise taking varieties of antihistamines which cause tiredness at night time. When sourcingu003cbru003emedication for hay fever,...