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Benadryl vs Atarax, a side effect and effectiveness comparison for a male patient aged 32

This is personalized comparison of Benadryl vs Atarax for a male aged 32. The study is created by eHealthMe based on reports from FDA and social media.

What are the drugs

Benadryl (latest outcomes from 29,367 users) has active ingredients of diphenhydramine hydrochloride. It is often used in allergies.

Atarax (latest outcomes from 10,957 users) has active ingredients of hydroxyzine hydrochloride. It is often used in stress and anxiety.

On Oct, 26, 2014: 1,522 male patients aged 27 who take the same drugs are studied in Benadryl vs Atarax

Information of patient in study:

GenderAgeReason for the drug
Male27Eye Allergy

Drugs to compare:

Benadryl diphenhydramine hydrochlorideMcneil Cons
Atarax hydroxyzine hydrochloridePfizer

eHealthMe real world results:

For males aged 27 (±5):

Most common side effects:

(click on each outcome to view in-depth analysis, incl. how people recovered)
Benadryl (Mcneil Cons)Atarax (Pfizer)
Completed Suicide (act of taking one's own life)Pyrexia (fever)
Drug ToxicitySuicide Attempt
Nausea (feeling of having an urge to vomit)Headache (pain in head)
Pyrexia (fever)Agitation (state of anxiety or nervous excitement)
Chest PainBlood Creatine Phosphokinase Increased
Fatigue (feeling of tiredness)Completed Suicide (act of taking one's own life)
Dyspnoea (difficult or laboured respiration)Nausea (feeling of having an urge to vomit)
VomitingDyskinesia (abnormality or impairment of voluntary movement)
DizzinessDrug Ineffective
Suicide AttemptFatigue (feeling of tiredness)

Most common side effects experienced by people in long term use:

(click on each outcome to view in-depth analysis, incl. how people recovered)
Benadryl (Mcneil Cons)Atarax (Pfizer)
Drug DependenceKaposi's Varicelliform Eruption (a distinct cutaneous eruption of skin caused by herpes simplex virus)
Appendicitis (inflammation of the appendix)Blood Lactate Dehydrogenase Increased
Loss Of ConsciousnessAspartate Aminotransferase Increased
Road Traffic AccidentAlanine Aminotransferase Increased
Somnolence (a state of near-sleep, a strong desire for sleep)White Blood Cell Count Increased
Abdominal Mass (localized enlargement or swelling in the human abdomen)Viral Infection
Pain ManagementDisturbance In Attention
Hearing LossVaricella (infection with varicella zoster virus)
DizzinessUrticaria (rash of round, red welts on the skin that itch intensely)
Nausea (feeling of having an urge to vomit)Homicidal Ideation (thoughts about human killing another human)

Drug effectiveness:

not at allsomewhatmoderatehighvery high

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Next: study your drugs OR ask a question from Patients Like You

Drug effectiveness in real world:

Alternative drugs:

Side effects in real world:

On eHealthMe, Benadryl (diphenhydramine hydrochloride) is often used to treat allergies. Atarax (hydroxyzine hydrochloride) is often used to treat stress and anxiety. Find out below the conditions the drugs are used for, how effective they are, and any alternative drugs that you can use to treat those same conditions.

What is the drug used for and how effective is it:

Other drugs that are used to treat the same conditions:

Recent related drug comparison:

NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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