Nice question part 2. Of stimulants may worsen the core symptoms of adhd. Also, a pharmacological relationship called starling's law, may play a role. This is where increasing doses of a particular medication peaks in effectiveness at a specific point, and further increases actually decrease effectiveness.
Nice question part 1. Assuming the adhd is properly diagnosed, the question becomes how does it worsen? Is this the first dose? Are there other comorbid conditions (eg, anxiety, depression, ocd, bipolar) present but untreated? Are there medical conditions impacting brain function (eg, iron deficiency, sleep apnea, drug abuse) present but untreated? If no, then there are pharmacological situations where a lower dose.
Not ADHD. If stimulant medication does not correct the symptoms of ADHD or makes them worse, you probably do not have ADHD. You have another disorder of attention that presents like aDHD. Speak to your prescriber for trethinking your diagnosis and discuss what can be done to help. there may be an anxiety component that is causing your symptoms.
ADHD Treatment. Generally speaking, no. But if the medication (adderall) is the wrong "fit" for a person, it can cause other problems like mood swings, irritability, and anxiety which may further exacerbate the underlying adhd. These problems may outweigh any benefit of the medicine and make it appear that the adhd is worse. In such cases, trying a different adhd medicine may be advised.