Benadryl vs. Zyrtec

Benadryl(diphenhydramine) andZyrtec(cetirizinehydrochloride) areantihistaminesused to treatallergysymptoms, such asitching,hives,流鼻涕, watery eyes, and sneezing fromhay fever(allergic rhinitis) and other allergies, such as allergies to molds and dust mites.

Benadryl is also used to treatinsomnia,晕动病, and mild cases ofParkinsonism.

A main difference between Benadryl and Zyrtec is that Zyrtec tends to cause less drowsiness and sedation than Benadryl.

Both Benadryl and Zyrtec are availableingenericform andover-the-counter(OTC).

Side effectsof Benadryl include:

• drowsiness,
• fatigue,
• tiredness,
• sleepiness,
• dizziness,
• disturbed coordination,
• constipation,
• dry mouth/nose/throat,
• difficulty urinating or an enlargedprostate,
• upsetstomach,
• blurred vision,
• double vision,
• tremor,
• loss of appetite,
• headache, or
• nausea.

Common side effects of Zyrtec include:

• drowsiness,
• fatigue,
• tiredfeeling,
• dizziness,
• drymouth,
• sore throat,
• cough,
• nausea,
• constipation, or
• headache.

In children, side effects of Zyrtec include:

• stomachpainand
• vomiting.

The side effect of sleepiness may occur when taking Zyrtec, so do not drive a car or operate potentially dangerous machinery.

Zyrtec ismedicationthat temporarily relieves these symptoms due to hayfeveror other upperrespiratoryallergies.

Benadryl may interact with other medicines that make you sleepy (such as cold or allergy medicine, sedatives,narcoticpain medicine, sleeping pills,musclerelaxers, and medicine for seizures,depression, oranxiety).

Benadryl may also interact with monoamine oxidase inhibitors (MAOIs).

Zyrtec may interact withalcohol, other medicines that make you sleepy (such as other cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety).

A typical dose of Benadryl is 25-50mg每隔4 - 6小时。苯那君可能与monoam交互ine oxidase inhibitors (MAOIs), other over-the-counter cough, cold, allergy, or insomnia medications, anxiety orsleepmedicines,antidepressants, or any other medications that make you feel drowsy, sleepy, or relaxed. Tell yourdoctorall medications and supplements you use. Benadryl has not been adequately evaluated inpregnantwomen. Benadryl is secreted inbreast milk. Because of the risk of stimulation and seizures in infants, especially newborns and premature infants, antihistamines should not be used bynursingmothers.

Adults and children 6 years and over should take one 10 mgcapsuleonce daily; do not take more than one 10 mg capsule in 24 hours. A 5 mg product may be appropriate for less severe symptoms.

Adults 65 years of age or older, children under 6 years of age, and consumers withliverorkidneydiseaseshould consult a doctor before using this product.