Step 4: Read and complete the decision guide to learn more about your symptoms.
New insomnia can be a side effect of a medicine that stimulates your central nervous system, although not all people will experience this side effect. Please review the following list of medicines that can stimulate the central nervous system:
decongestants such as pseudoephedrine or phenylephrine (Sudafed, Sudafed PE and other brands)
drugs for smoking cessation such as nicotine or bupropion (Zyban, Wellbutrin)
asthma medicine (inhalers, albuterol, or theophylline)
beta-blocker medications such as atenolol (Tenormin), propranolol (Inderal), metoprolol (Toprol) or others
clonidine (Catapres), most commonly prescribed for blood pressure
diet or weight loss pills
medicine for attention deficit disorder such as methylphenidate (Ritalin, Methylin, Metadate, Concerta), atomoxetine (Strattera) and others
medicine for narcolepsy such as drugs containing dextroamphetamine (Dexedrine, Adderall), modafinil (Provigil), and others
medicines for Parkinson's disease.
Are you taking any medications from the categories that are listed?