How Does Benadryl Work
Health Encyclopedia: Allergic Rhinitis Antihistamines
Antihistamines
Histamine is one of the chemicals released when antibodies overreact to allergens. It is the cause of many symptoms of allergic rhinitis. Anti histamines can help relieve:
- Itching, sneezing, and nasal discharge
- Other allergy symptoms unrelated to rhinitis, including hives and some rashes
- Nasal congestion, for some of the newer antihistamines, such as cetirizine (Zyrtec) and desloratadine (Clarinex)
If possible, patients should take antihistamines before an anticipated allergy attack.
Ma...
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Expert & Community Posts
ARE SLEEP MEDICATIONS SAFE?
By Dr. Diana L Walcutt , Health Expert...PM. All of the OTC meds that I have researched have Benadryl (diphenhydramine) as the sleep aid.... Read more »
Treating Sleep Disturbances Caused by Anxiety
By Lynne Taetzsch , Health Expert...sleep medications available, from over-the-counter Benadryl to Klonopin. The healthiest... Read more »
Pregnancy, Head Colds and Medication
By Deanne Stein , Health Expert...trimester though, you might try diphenhydramine or Benadryl. It's safer according to my doctor.... Read more »
Health Guide
Allergic Rhinitis: Treatment
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...drowsiness, deep sleep, and, rarely, coma.AntihistaminesOlder antihistamines such as diphenhydramine (Benadryl) are helpful in relieving cough when used alone or in combination with a... Read more »Type 1 Diabetes
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