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Cephalexin vs Acyclovir, a side effect and effectiveness comparison for a female patient aged 40

This is personalized comparison of Cephalexin vs Acyclovir for a female aged 40. The study is created by eHealthMe based on reports from FDA and social media.

What are the drugs

Cephalexin (latest outcomes from 8,052 users) has active ingredients of cephalexin. It is often used in infection.

Acyclovir (latest outcomes from 1,269 users) has active ingredients of acyclovir. It is often used in herpes simplex.

On Aug, 18, 2014: 1,253 female patients aged 35 who take the same drugs are studied in Cephalexin vs Acyclovir

Information of patient in study:

GenderAgeReason for the drug

Drugs to compare:

Cephalexin cephalexinCeph Intl
Acyclovir acyclovirTeva

eHealthMe real world results:

For females aged 35 (±5):

Most common side effects:

(click on each outcome to view in-depth analysis, incl. how people recovered)
Cephalexin (Ceph Intl)Acyclovir (Teva)
Chest PainNausea (feeling of having an urge to vomit)
Nausea (feeling of having an urge to vomit)Chest Pain
Fatigue (feeling of tiredness)Drug Ineffective
Arthralgia (joint pain)Pyrexia (fever)
Abdominal PainPain In Extremity
Pain In ExtremityPain
Urinary Tract InfectionFatigue (feeling of tiredness)
FallPruritus (severe itching of the skin)
Dyspnoea (difficult or laboured respiration)Hypoaesthesia (reduced sense of touch or sensation)

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

(click on each outcome to view in-depth analysis, incl. how people recovered)
Cephalexin (Ceph Intl)Acyclovir (Teva)
Acne Cystic (skin problems that cause pimples)Candidiasis (candidiasis or thrush is a fungal infection)
ConstipationCandidal Infection Nos
AnxietyFood Intolerance (inability to have food)
DepressionAbortion Induced (medically referred abortion)
Road Traffic AccidentFood Allergy
Suicidal IdeationPolyhydramnios (excess of amniotic fluid in the amniotic sac)
Suicide AttemptDrug Exposure During Pregnancy
Loss Of ConsciousnessVaginitis (inflammation of the vagina)
Chest InjuryBone Loss
Back InjuryHypertriglyceridaemia (excess of triglycerides in the blood)

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, Cephalexin (cephalexin) is often used to treat infection. Acyclovir (acyclovir) is often used to treat herpes simplex. 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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