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

Summary:

Drug interactions are reported among people who take Adderall (amphetamine aspartate; amphetamine sulfate; dextroamphetamine saccharate; dextroamphetamine sulfate) and L-cysteine (n - acetyl cysteine). Common drug interactions include vertigo among females and apnoea among males.

The phase IV clinical study analyzes what interactions people have when they take Adderall and L-cysteine. It is created by eHealthMe based on reports of 42 people who take the same drugs from the FDA, and is updated regularly.

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 64,224 Adderall users. Check the latest studies of Adderall.

What is L-cysteine?

L-cysteine has active ingredients of n - acetyl cysteine. eHealthMe is studying from 335 L-cysteine users. Check the latest studies of L-cysteine.

On Jul, 06, 2026

42 people who take Adderall and L-cysteine together, and have interactions are studied.

Adderall and L-cysteine drug interactions.

What are the common drug interactions of Adderall and L-Cysteine, by gender? *:

female:

Vertigo
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Pruritus (severe itching of the skin)
Back pain
Dizziness
Ear congestion
Hot flush (sudden feelings of heat)
Hyperhidrosis (abnormally increased sweating)
Infection
Insomnia (sleeplessness)

male:

Apnoea (suspension of external breathing)
Bladder obstruction
Muscle spasms (muscle contraction)
Road traffic accident
Spinal fracture (fracture in one of vertebrae)
Cataplexy (loss of muscle tone accompanied by full conscious awareness)
Craniocerebral injury (injury to cranium and brain)
Hypersomnia (excessive daytime sleepiness (eds))
Seizure (abnormal excessive or synchronous neuronal activity in the brain)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Asthma
Autism spectrum disorder (developmental disabilities that can cause significant social, communication and behavioural challenges)
Hypersomnia (excessive daytime sleepiness (eds))
Vertigo
Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Productive cough
Rash
Syncope (loss of consciousness with an inability to maintain postural tone)

30-39:

Insomnia (sleeplessness)
Pruritus (severe itching of the skin)
Scratch
Skin erosion (a discontinuity of the skin)

40-49:

Hyperhidrosis (abnormally increased sweating)
Migraine (headache)
Musculoskeletal discomfort (discomfort in the body's muscles, joints, tendons, ligaments and nerves)
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Nasopharyngitis (inflammation of the nasopharynx)
Neck pain
Peripheral swelling
Pruritus (severe itching of the skin)
Rheumatoid arthritis (a chronic progressive disease causing inflammation in the joints)
Sinus congestion (blockage of sinus)

50-59:

Apnoea (suspension of external breathing)
Bladder obstruction
Muscle spasms (muscle contraction)
Road traffic accident
Spinal fracture (fracture in one of vertebrae)
Cataplexy (loss of muscle tone accompanied by full conscious awareness)

60+:

n/a

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 39 people, 92.86%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 16 people, 38.10%
Muscle Aches (muscle pain): 3 people, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Adderall and L-cysteine?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously