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A female asked:

Can i take dayquil if taking vyvanse (lisdexamfetamine) ?

1 doctor answer1 doctor weighed in
Dr. Paul Pyles
Addiction Medicine 34 years experience
Excellent question : Good for you by asking this question! Depending on which formulation of Dayquil, one has phenylephrine and another has pseudoephedrine. Both of these can elevate blood pressure and heart rate when combined with Vyvanse (lisdexamfetamine). Ask your healthcare provider as this may not be safe for you depending on your health history. It is always best to ask before taking over the counter medications with your meds.
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Similar questions

Shawnee, OK
A 17-year-old male asked:

Should i eat before taking Vyvanse (lisdexamfetamine) or after?

2 doctor answers2 doctors weighed in
Dr. Humberto Quintana
Psychiatry 45 years experience
No food, normal diet: You should not take vyvanse (lisdexamfetamine) with food to ensure that it absorbs properly into your system. Taking vyvanse (lisdexamfetamine) after you have eaten may cause drowsiness, or may result in the patient falling asleep. In some cases, you will be instructed to open the capsule and dissolve the contents in a glass of water to consume your dose. This is typically used for children who are too young to swallow pills. Do not c.
Created for people with ongoing healthcare needs but benefits everyone.
Abingdon, MD
A 18-year-old male asked:

What do I do if i take too much vyvanse (lisdexamfetamine)?

2 doctor answers3 doctors weighed in
Dr. Edward Kuhnley
Child Psychiatry 46 years experience
Emergency attention: Seek emergency medical attention or call the poison help line at 1-800-222-1222. An overdose of vyvanse (lisdexamfetamine) can be fatal. Od symptoms may include restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, panic, aggressiveness, muscle pain or weakness, fever or flu symptoms, & dark colored urine. These symptoms may be followed by depression and tiredness.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Dec 21, 2020


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