Zyrtec - How long after I take my first pill should I get some relief from allergies? Posted on 13-Jul-2023 - Last updated: 13-Jul-2023 Have to blow my nose every couple of minutes. Share this Article Featured questions Can I use Zaditor along with Zyrtec? The ER said I have a sinus infection is zyrtec any good for that? Hydroxyzine - I was given this to take as needed for insomnia. Can I take Zyrtec with Type 1 Diabetes, if so has there been rports of high blood sugars? What is the Difference between Xyzal and Zyrtec? What is the Levo? I took Zyrtec for 1 year but have now stopped. How long does it stay in the body? I have high blood pressure and take meds for it. Should I take Zyrtec? Will Zyrtec help me with an Itchy Rash? Hot Flashes - Has anyone else tried Zyrtec or Claritin to decrease their number of flashes? I am taking 10ml of zyrtec. in error I just took 3. will there be any side effects? How long after an expiration date can Zyrtec be taken? Methocarbamol - Can I take this with Zyrtec? Related Drugs Cerave Diabetics Dry Skin Moisturizing Relief (Topical emollients) Cerave Baby Moisturising (Topical emollients) Cerave Baby Healing (Petrolatum topical) Centrum Silver Women 50+ (Multivitamins and minerals) Centrum Minis Women (Multivitamins and minerals) Capvaxive Pf Prefilled Syringe (Pneumococcal 21-valent conjugate vaccine) Soluvita (Multivitamins with fluoride) Tyenne Prefilled Syringe Tyenne Autoinjector Tyenne (Tocilizumab) Tarlatamab Talzenna Liquid-Filled (Talazoparib) Norgestrel Iqirvo (Elafibranor) Imetelstat