You may not think twice about taking an antihistamine when allergy season hits or a bout of hay fever strikes. But if you are trying to conceive or closely monitoring your fertility, that common ...

Add Yahoo as a preferred source to see more of our stories on Google. Some antihistamines can cross the blood-brain barrier – a membrane that’s supposed to protect harmful substances from getting in - ...

Allergies happen when your immune system overreacts to a normally harmless substance like dust or pollen. Hay fever, hives and anaphylaxis are all types of allergic reactions. Many of those affected ...

Allegra is less likely to make you drowsy compared to Zyrtec or Claritin. Zyrtec works the fastest, usually within one hour of taking it. All three medications help to treat hives and symptoms of hay ...

A viral trend that claims coupling the antihistamines Allegra and Pepcid eases symptoms of perimenopause and menopause -- along with other conditions -- is spreading like wildfire. Hollie Wakelyn, ...

Antihistamines are the first-line treatment for chronic spontaneous urticaria (CSU). If antihistamines are unsuccessful, systemic therapies that suppress the immune system are the next option. CSU is ...

W hen it comes to treating urticaria (chronic spontaneous hives), antihistamines are usually the first-line treatment. But they don’t work for everyone. At least 1 in 4 people who take antihistamines ...