thank you for your query.
Nyquil contains acetaminophen
, doxylamine, and pseudoephedrine
It should be taken in proper dosage.
Measure liquid medicine with a special dose measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose measuring device, ask your pharmacist for one.
Do not take for longer than 7 days in a row.and the dosage should also be determined by your physician according to your age and weight.
what you're experiencing seems to be a side effect of the drug,and hence should be reported to your GP.
the other side effects include-
*chest pain, rapid pulse;
*fast, slow, or uneven heart rate;
or anxiety, feeling like you might pass out;
*mood changes, confusion, hallucinations
, severe nervousness;
*tremor, seizure (convulsions);
*fever, easy bruising or bleeding, unusual weakness;
*urinating less than usual or not at all;
*nausea, pain in your upper stomach, itching, loss of appetite, dark urine, clay-colored stools.
kindly contact your physician.he/she will adjust the dosage or suggest some other anti-histamine drug.
wishing you good health