Diphenhydramine

• Diphenhydramine is available over the counter. No prescription is required.

• Diphenhydramine is an antihistamine.

• Diphenhydramine is used to treat...

• allergic reactions

• atopic dermatitis, or itchy skin

• motion sickness

• vomiting

• coughing

• anxiety

• Histamines are chemicals that are released in the body in response to inflammation or allergies.

• When histamines attach to H-1 receptors in the body, it causes the blood vessels to widen which leads to swelling and itchiness.

• Diphenhydramine blocks the effects of histamines, reducing inflammation and itchiness.

• Diphenhydramine is available in...

• 25 mg capsules

• 25 mg tablets

• 50 mg capsules

• Keep out of the reach of children and pets.

• Do not use in pets with known hypersensitivity to diphenhydramine.

• Do not use in pregnant or lactating animals.

• Use with caution in working dogs, as diphenhydramine can cause sedation.

• Use caution in animals suffering from...

• lung disease

• glaucoma

• enlarged prostate

• hyperthyroidism

• heart failure

• high blood pressure

• gastrointestinal obstruction

• urinary tract obstruction

• Diphenhydramine may interact with some other medications. Consult your veterinarian if your pet is also taking...

• barbiturates

• epinephrine

• heparin

• tranquilizers

• Diphenhydramine may cause excessive drooling, especially in cats.

• Store at room temperature.

• Store protected from light and moisture.

• Use as directed by your veterinarian.

• Follow the instructions on the product label.

• Store diphenhydramine at room temperature.

• Diphenhydramine can be given with food.

• In the case of a missed dose of diphenhydramine, give it as soon as you remember or wait until it is time to give the next dose. DO NOT GIVE A DOUBLE DOSE OF DIPHENHYDRAMINE.

• In the case of an overdose of diphenhydramine, seek attention from your veterinarian.

• The following symptoms could be signs of an overdose...

• severe sedation

• coma

• seizures

• slow breathing