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Wednesday, November, 11, 2009

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

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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 »

9992_2701
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 »

19_9964
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
...(Allegra), or desloratadine (Clarinex) -- cause less drowsiness than older antihistamines, such as Benadryl.Some of the newer drugs, such as Zyrtec and Clarinex, may also relieve nasal... Read more »
Foot Pain: Causes
...that constricts the legs and feet.Foot pain, numbness, or tingling is worse at night. Diphenhydramine (Benadryl) may help.You should consult a specialist in foot care if you have any problems with... Read more »
Sinusitis: Treatment for Acute Sinusitis
...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
...that constricts the legs and feet.Foot pain, numbness, or tingling is worse at night; diphenhydramine (Benadryl) may help.A specialist in foot care should be consulted for any problems. Click the... Read more »
Type 2 Diabetes
...that constricts the legs and feet.Foot pain, numbness, or tingling is worse at night; diphenhydramine (Benadryl) may help.A specialist in foot care should be consulted for any problems.People with... Read more »

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