Theanine and Adderall drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Theanine (theanine) and Adderall (amphetamine aspartate; amphetamine sulfate; dextroamphetamine saccharate; dextroamphetamine sulfate). Common drug interactions include fatigue among females and drug ineffective among males.

The phase IV clinical study analyzes what interactions people have when they take Theanine and Adderall. It is created by eHealthMe based on reports of 35 people who take the same drugs from the FDA, and is updated regularly.

What is Theanine?

Theanine has active ingredients of theanine. It is often used in insomnia. eHealthMe is studying from 893 Theanine users. Check the latest studies of Theanine.

What is Adderall?

Adderall has active ingredients of amphetamine aspartate; amphetamine sulfate; dextroamphetamine saccharate; dextroamphetamine sulfate. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 64,225 Adderall users. Check the latest studies of Adderall.

On Aug, 01, 2026

35 people who take Theanine and Adderall together, and have interactions are studied.

Theanine and Adderall drug interactions.

What are the common drug interactions of Theanine and Adderall, by gender? *:

female:

Fatigue (feeling of tiredness)
Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Headache (pain in head)
Ventricular extrasystoles (premature cardiac contraction)
Adrenal insufficiency (a condition in which the adrenal glands do not produce adequate amounts of steroids)
Basedow's disease (autoimmune disease where the thyroid is overactive, producing an excessive amount of thyroid hormones)
Chest discomfort
Chest pain
Dizziness
Influenza

male:

Drug ineffective
Fatigue (feeling of tiredness)
Dyspepsia (indigestion)
Dysphonia (speech disorder attributable to a disorder of phonation)
Erectile dysfunction
Fluid retention (an abnormal accumulation of fluid in the blood)
Infection
Influenza
Oropharyngeal pain
Poor quality sleep

What are the common drug interactions of Theanine and Adderall, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

Fibromyalgia (a long-term condition which causes pain all over the body)
Peritonsillar abscess (painful pus filled inflammation of the tonsils and surrounding tissues)
Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time)
Suicidal ideation
Wisdom teeth removal

20-29:

Laryngitis (inflammation of the larynx)
Upper respiratory tract infection
Blood pressure decreased
Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Dizziness
Dizziness postural
Heart rate increased
Hyperventilation
Infusion site extravasation (flow of (blood or lymph) from infusion site)
Keratomileusis

30-39:

Somnolence (a state of near-sleep, a strong desire for sleep)
Weight decreased
Anxiety
Crying
Dental pulp disorder
Drug diversion
Dyspepsia (indigestion)
Dysphonia (speech disorder attributable to a disorder of phonation)
Erectile dysfunction
Fluid retention (an abnormal accumulation of fluid in the blood)

40-49:

Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Drug effect decreased
Influenza
Nasopharyngitis (inflammation of the nasopharynx)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Thyroid mass

50-59:

Unresponsive to stimuli

60+:

n/a

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 26 people, 74.29%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 11 people, 31.43%
Immunodeficiency Common Variable: 2 people, 5.71%

* Approximation only. Some reports may have incomplete information.

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