Adderall is a commonly prescribed stimulant for ADHD and narcolepsy. Whether you’re a patient or someone seeking clarity before taking the medication, understanding how long Adderall stays in your system is crucial for safe and responsible use.
What Is Adderall?
Adderall is a prescription medication that contains two stimulant drugs: amphetamine and dextroamphetamine. It boosts the levels of certain neurotransmitters in the brain, helping increase focus, attention, and energy levels.
There are two types of Adderall:
- Adderall IR (Immediate-Release): Typically lasts 4–6 hours.
- Adderall XR (Extended-Release): Designed to last 10–12 hours.
How Long Does Adderall Stay in Your System?
The exact duration Adderall remains in your system varies based on dose, frequency, individual metabolism, age, pH level of your urine, and hydration. Here are general timelines:
| Test Type | Detection Window |
|---|---|
| Blood | Up to 46 hours |
| Urine | 1–5 days (up to 7 for heavy users) |
| Saliva | 20–50 hours |
| Hair | Up to 90 days |
How Long Does Adderall Stay in Your System – 10mg?
- Adderall 10mg IR: Effects last around 4–6 hours. Detectable in urine for up to 3 days.
- Adderall 10mg XR: Effects can last up to 12 hours. Detectable in urine up to 5 days.
How Long Does 20mg of Adderall Last?
- 20mg IR: Duration of effectiveness is typically 4–6 hours.
- 20mg XR: Designed to last 8–12 hours with a peak at 6–7 hours post-dose.
How Long Does Adderall Take to Work?
- Onset Time: 30 to 60 minutes after ingestion.
- Peak Effects:
- IR: 1–2 hours
- XR: 6–7 hours
How Long Does Adderall Last?
| Type | Onset Time | Duration |
| IR | 30–60 min | 4–6 hours |
| XR | 30–60 min | 8–12 hours |
Factors Affecting How Long Adderall Stays in Your System
- Metabolism rate
- Body weight and fat content
- Urine pH levels
- Hydration and diet
- Liver and kidney function
Safety Tips for Adderall Users
- Only take as prescribed by your doctor
- Do not mix with alcohol or other stimulants
- Avoid sharing with others
- Monitor for side effects like anxiety, insomnia, and heart palpitations
FAQs
Q: How long does Adderall stay in your system 10mg?
A: About 2–4 days for most people, longer in urine tests.
Q: How long does 20mg of Adderall last?
A: IR lasts around 6 hours, XR can last up to 12 hours.
Q: How long does Adderall take to work?
A: You may begin to feel effects within 30 minutes.
Q: Is Adderall detectable in drug tests?
A: Yes, especially in urine (1–5 days).