A blue pill imprinted with e 502 on the front and 1 0 on the back is a generic version of Adderall 10 mg (Immediate-Release). It consists of amphetamine and dextroamphetamine mixed salts and is produced by generic manufacturers including Elite Laboratories and Sandoz Pharmaceuticals.
Like brand-name Adderall, this medication is a potent central nervous system (CNS) stimulant and is classified as a Schedule II controlled substance in the United States due to its high risk for dependence, misuse, and abuse.
Pill Identification & Brand Details
Characteristic Specification
- Brand Name Equivalent – Adderall IR (Immediate-Release)
- Generic Active Ingredients – Dextroamphetamine Saccharate, Amphetamine Aspartate, Dextroamphetamine Sulfate, Amphetamine Sulfate
- Imprint Code –
e 502(front) /1 0(back) - Strength – 10 mg total mixed amphetamine salts
- Color – Blue
- Shape – Oval
- Manufacturers – Elite Laboratories / Sandoz / Eon Labs
- Controlled Substance Class – Schedule II (C-II)
- Note: generic pharmaceutical companies use different imprint codes (e.g.,
e 502,B 972,AD 10) to identify 10 mg blue immediate-release amphetamine salt tablets. Always confirm unknown pills with a licensed pharmacist.
Indications & Medical Uses
The e 502 blue tablet is FDA-approved for the treatment of two primary medical conditions:
- Attention Deficit Hyperactivity Disorder (ADHD): Used as part of a comprehensive treatment program (including psychological and social measures) to help improve focus, reduce impulsivity, and increase attention span in adults and children aged 3 and older.
- Narcolepsy: Used off-label or on-label in adults and adolescents to control extreme daytime sleepiness and unexpected sleep episodes.
Mechanism of Action
Amphetamines act as sympathomimetic agents that stimulate neural pathways in the brain:
- Inhibition of Neurotransmitter Reuptake: The active amphetamine salts block the reuptake transporters for dopamine and norepinephrine in the presynaptic neuronal membrane, keeping these neurotransmitters in the synaptic cleft longer.
- Stimulation of Neurotransmitter Release: Amphetamine enters the presynaptic neuron and forces the release of stored dopamine and norepinephrine into the brain’s synapses.
- Cognitive & Behavioral Impact: The rise in extracellular dopamine enhances brain reward networks and executive function (improving focus and task completion), while increased norepinephrine boosts alertness, executive processing, and vigilance.
Dosage & Administration
Dosage must be individually tailored by a physician based on clinical needs and patient response.
- Immediate-Release Timing: Immediate-release (IR) 10 mg tablets typically start working within 30 to 60 minutes and exert effects for 4 to 6 hours.
- Standard Adult ADHD Starting Dose: Commonly 5 mg to 10 mg taken once or twice daily.
- Dose Spacing: When taken twice daily, the first dose is taken upon awakening, and the second dose is taken 4 to 6 hours later.
- Late-Day Warning: Avoid taking a dose in the late afternoon or evening (usually after 4:00 PM), as it frequently interferes with normal sleep cycles and causes severe insomnia.
- Administration: Can be taken with or without food. However, high-acid foods or beverages (such as citrus juice) can impair medication absorption.
Side Effects
Because amphetamines stimulate the sympathetic nervous system, side effects are common across physical and psychiatric domains.
Common Side Effects
- Appetite Suppression: Decreased appetite, resulting in unintentional weight loss (especially in children).
- Sleep Disturbances: Insomnia or restless sleep.
- Cardiovascular: Elevated heart rate (tachycardia), mild blood pressure spikes, or heart palpitations.
- Autonomic: Dry mouth (xerostomia), excessive sweating, or dilated pupils.
- Gastrointestinal: Nausea, stomach cramps, or mild diarrhea/constipation.
- Psychiatric: Mild nervousness, jitteriness, or mood swings as the dose wears off (“crash”).
Serious Side Effects (Require Immediate Emergency Care)
- Cardiovascular Events: Chest pain, shortness of breath, sudden dizziness, or fainting.
- Psychiatric Symptoms: New onset of psychosis, hallucinations (seeing or hearing things that are not there), paranoia, or extreme manic agitation.
- Peripheral Vasculopathy: Numbness, pain, cold sensitivity, or color changes (pale, blue, or red) in fingers and toes (Raynaud’s phenomenon).
- Serotonin Syndrome: Agitation, muscle rigidity, tremors, fever, or fast heart rate when combined with other serotonergic medications.
Precautions & Drug Interactions
- Heart Conditions: Individuals with pre-existing heart defects, structural cardiac abnormalities, severe coronary artery disease, or uncontrolled high blood pressure face a higher risk of adverse cardiac events.
- Psychiatric Pre-screening: Prior to starting treatment, patients should be screened for bipolar disorder or psychotic illnesses, as stimulants can trigger manic or psychotic episodes.
- Key Drug Interactions:
- MAO Inhibitors (MAOIs): Concurrent use or use within 14 days of taking MAOIs (e.g., phenelzine, selegiline) is strictly dangerous and can precipitate a fatal hypertensive crisis.
- Acidifying / Alkalinizing Agents: Vitamin C, fruit juices, or acidifying agents reduce blood levels of amphetamines. Conversely, antacids or sodium bicarbonate (alkalinizing agents) increase absorption and prolong drug levels in the bloodstream.
- Serotonergic Drugs: Co-administration with SSRIs, SNRIs, or triptans increases the risk of serotonin syndrome.
FDA Black Box Warnings & Risks
- FDA BLACK BOX WARNING: HIGH POTENTIAL FOR ABUSE AND DEPENDENCE
- Abuse & Misuse: Amphetamines carry a significant potential for misuse, recreational abuse, and psychological dependency. Non-prescribed use as a “study aid” or energy booster increases the risk of severe cardiovascular events, addiction, and sudden death.
- Dependence & Withdrawal: Prolonged daily use leads to tolerance. Abruptly stopping or reducing high doses can cause severe withdrawal symptoms, including extreme fatigue, profound depression, sleep disturbances, and intense drug cravings.
- Cardiovascular Risk: Misuse at high doses significantly increases the danger of heart attack, stroke, and sudden cardiac death.
- Pregnancy & Lactation: Amphetamines cross the placenta and pass into breast milk. They should only be taken during pregnancy if explicitly deemed necessary by an obstetrician, and breastfeeding while taking this drug is generally discouraged.