“Liquid Adderall” isn’t an official product name, but FDA-approved liquid forms of amphetamine do exist. The two main options are Dyanavel XR and Adzenys ER, both extended-release oral suspensions containing amphetamine base. They work the same way traditional Adderall does, increasing focus and attention in people with ADHD, but they come as a drinkable liquid instead of a pill or capsule.
Brand Names and What’s in Them
Dyanavel XR is an extended-release amphetamine suspension with a concentration of 2.5 mg of amphetamine base per milliliter. It’s FDA-approved for children aged 6 and older. Adzenys ER is another extended-release amphetamine suspension approved for the same purpose. A third option, ProCentra, is an immediate-release dextroamphetamine oral solution approved for children as young as 3.
None of these are literally “liquid Adderall.” Adderall itself is a specific mix of four amphetamine salts, and no liquid version of that exact formulation exists. However, Adzenys ER is designed to be directly convertible from Adderall XR doses. For example, 10 mL of Adzenys ER (12.5 mg) is equivalent to a 20 mg Adderall XR capsule. The milligram numbers don’t match up one-to-one because the salt compositions differ, so you can’t simply swap the same number of milligrams between them.
As of now, no generic versions of these liquid amphetamine suspensions are available. Only the brand-name products are on the market, which typically makes them more expensive than generic Adderall tablets or capsules.
Who These Medications Are For
Liquid amphetamine formulations exist primarily for people who can’t swallow pills. This includes young children who haven’t developed that skill yet, older adults with swallowing difficulties, and anyone with a condition that makes taking tablets or capsules uncomfortable or unsafe. Some people also have skin reactions to the ADHD patch, making a liquid an appealing alternative.
The extended-release versions (Dyanavel XR and Adzenys ER) offer the same once-daily convenience as Adderall XR capsules. Before these existed, patients who couldn’t swallow pills often had to take immediate-release liquid doses two or three times a day, which created problems with missed doses and inconsistent coverage throughout the school or work day.
How the Extended-Release Liquid Works
Getting a liquid medication to last all day is trickier than it sounds. With a capsule, manufacturers can pack in beads that dissolve at different rates. A liquid needs a different approach. Dyanavel XR and Adzenys ER use a technology that binds amphetamine molecules to tiny resin particles, each coated with a polymer layer of varying thickness.
When you swallow the suspension, millions of these particles enter your digestive tract. Uncoated particles release amphetamine right away, giving you the initial onset of the medication. Particles with thinner coatings release their drug next, and thicker-coated particles release theirs later. Ions in your digestive fluids gradually work their way through each coating, displacing the amphetamine and allowing it to absorb into your bloodstream. The result is a steady, programmed release that mimics what you’d get from an extended-release capsule.
How to Take It
Liquid amphetamine suspensions require a bit more attention than popping a pill. The medication settles in the bottle, so you need to shake it well before every dose. Skipping this step means you could get too much or too little active ingredient in a given dose.
Each bottle comes with a bottle adapter that stays permanently inserted and an oral dosing syringe (not a kitchen spoon). To measure a dose, you insert the syringe into the adapter, flip the bottle upside down, and pull the plunger to the prescribed milliliter mark. After each use, the syringe should be rinsed with water or run through the dishwasher. The precision matters here because even small volume differences translate to meaningful changes in the amount of amphetamine you’re taking.
Side Effects
The side effects of liquid amphetamine are the same as those for any amphetamine-based ADHD medication: decreased appetite, trouble sleeping, stomachache, irritability, and mood changes. These are effects of the drug itself, not the liquid format. The liquid doesn’t introduce any unique risks compared to tablets or capsules.
One practical difference is taste. Liquid formulations include flavoring to make them palatable, but some people (especially children) still find the taste unpleasant. If that’s a barrier, it sometimes helps to follow the dose with a drink of water or juice.
Switching From Adderall XR
If you or your child currently takes Adderall XR and wants to switch to a liquid, Adzenys ER has established dose equivalencies. The conversion isn’t milligram-for-milligram because the formulations use different amphetamine salt compositions. A 5 mg Adderall XR capsule converts to 3.1 mg (2.5 mL) of Adzenys ER, while a 30 mg Adderall XR capsule converts to 18.8 mg (15 mL). Your prescriber handles this conversion, but it’s worth knowing that the switch is straightforward and doesn’t require a new titration period in most cases.
Dyanavel XR uses a different dosing scale. Its starting dose is typically 2.5 mg once daily, adjusted in increments of 2.5 mg every few days, up to a maximum of 20 mg per day for children. Because the concentration is 2.5 mg per mL, the math is simple: each milliliter equals one dose increment.