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Phentermine Hydrochloride vs Ritalin, a side effect and effectiveness comparison for a male patient aged 57

This is personalized comparison of Phentermine Hydrochloride vs Ritalin for a male aged 57. The study is created by eHealthMe based on reports from FDA and social media.

What are the drugs

Phentermine hydrochloride (latest outcomes from 1,735 users) has active ingredients of phentermine hydrochloride. It is often used in obesity.

Ritalin (latest outcomes from 11,175 users) has active ingredients of methylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder.

On Oct, 31, 2014: 1,004 male patients aged 56 who take the same drugs are studied in Phentermine Hydrochloride vs Ritalin

Information of patient in study:

GenderAgeReason for the drug

Drugs to compare:

Phentermine Hydrochloride phentermine hydrochlorideActavis Totowa
Ritalin methylphenidate hydrochlorideNovartis

eHealthMe real world results:

For males aged 56 (±5):

Comparison with the specified adverse outcomes:

(outcome and its % of total reports)

Phentermine Hydrochloride (Actavis Totowa)Ritalin (Novartis)

Most common side effects:

(click on each outcome to view in-depth analysis, incl. how people recovered)
Phentermine Hydrochloride (Actavis Totowa)Ritalin (Novartis)
Dyspnoea Nos (difficult or laboured respiration)Hypertension (high blood pressure)
Chest PainHeadache (pain in head)
Valvular Heart Disease Nos (diseases of the heart valves)Anxiety
Pulmonary Hypertension Nos (increase in blood pressure in the lung artery)Fall
Cardiac Murmur Nos (an heart sound in valve abnormality)Fatigue (feeling of tiredness)
Hypertension Nos (high blood pressure)Nausea (feeling of having an urge to vomit)
Cardiovascular Disorder Nos (heart diseases)Depression
Coronary Artery Disease Nos (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)Pain
Cardiomegaly Nos (increased size of heart than normal)Drug Ineffective
Mitral Valve Incompetence (inefficient heart valve)Weight Decreased

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

(click on each outcome to view in-depth analysis, incl. how people recovered)
Phentermine Hydrochloride (Actavis Totowa)Ritalin (Novartis)
Colon Cancer Stage IiTinnitus (a ringing in the ears)
NervousnessMemory Impairment
Muscle Disorder (muscle disease)Dizziness
Neuropathy Peripheral (surface nerve damage)Hemolytic Anemia (anaemia resulting from destruction of erythrocytes)
Sexual Dysfunction (difficulty experienced by an individual or a couple during any stage of a normal sexual activity)
Headache (pain in head)
Erectile Dysfunction
Night Sweats (sweating in night)

Drug effectiveness:

not at allsomewhatmoderatehighvery high
Phentermine Hydrochloride0.00%13.33%40.00%33.33%13.33%

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, Phentermine Hydrochloride (phentermine hydrochloride) is often used to treat obesity. Ritalin (methylphenidate hydrochloride) is often used to treat attention deficit hyperactivity disorder. 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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