CanPharm: Your Comprehensive Pharmaceuticals Resource

Tag: H1 receptor hypersensitivity

Antihistamine Allergies and Cross-Reactivity: What to Watch For

Antihistamine Allergies and Cross-Reactivity: What to Watch For

Some people develop hives or worsened allergies from antihistamines instead of relief. This rare but real reaction involves paradoxical activation of H1 receptors. Learn the signs, what drugs to avoid, and how to find safer treatments.


  • 22.01.26

  • Alistair Mukondiwa

  • 2
Read More
    Categories
  • Drug Information (61)
  • Health and Wellness (59)
  • Medical Conditions (21)
  • Pharmacy Information (20)
  • Supplements (4)
  • Diabetes (3)
  • Mental Health (3)
  • Travel Health (2)
  • Parenting (2)
  • Heart Health (1)
Recent Posts
  • Ciclopirox for Hair Loss: Can It Really Help Regrow Hair?
    27 Oct 2025
  • Phenazopyridine & Exercise: How to Stay Active When You Have a UTI
    21 Oct 2025
  • How to Choose OTC Eye Drops for Allergies, Dryness, and Redness
    2 Dec 2025
  • DPP-4 Inhibitors and Joint Pain: What You Need to Know
    23 Dec 2025
  • How to Manage Medication Storage in Shared Living Spaces
    1 Jan 2026
Tags
  • dietary supplement
  • side effects
  • treatment
  • medication safety
  • generic drugs
  • drug interactions
  • online pharmacy
  • online pharmacy Australia
  • bioequivalence
  • drug safety
  • antibiotic resistance
  • pregnancy
  • health benefits
  • hydration
  • importance
  • connection
  • health
  • management
  • travel
  • managing symptoms
Archive
  • January 2026 (22)
  • December 2025 (31)
  • November 2025 (19)
  • October 2025 (28)
  • September 2025 (14)
  • August 2025 (7)
  • July 2025 (2)
  • June 2025 (2)
  • May 2025 (3)
  • April 2025 (4)
  • March 2025 (3)
  • February 2025 (1)
CanPharm: Your Comprehensive Pharmaceuticals Resource
Menu
  • About CanPharm
  • Terms of Service - Comprehensive Guide
  • Privacy & Data Protection
  • Contact Us
  • Privacy Policy

© 2026. All rights reserved.