Avoid products with caffeine. Take a missed dose as soon as possible. If it is almost time for the next dose, skip the missed one. Return to your regular schedule. This medicine may also be taken on an as needed basis depending on relief of symptoms, duration of cold, or allergy.
Pseudoephedrine can cause inability to sleep or nervousness.
Use caution if you have high blood pressure. Talk with healthcare provider. Tell healthcare provider if you are a heavy drinker. This medicine mixed with alcohol can cause liver damage. These include cough or cold remedies, diet pills, stimulants, ibuprofen or like products, and certain herbs or supplements.