Acetaminophen / doxylamine / phenylephrine Side Effects
Not all side effects for acetaminophen / doxylamine / phenylephrine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
Applies to acetaminophen / doxylamine / phenylephrine: oral capsule
Get emergency medical help if you have any of these signs of an allergic reaction while taking acetaminophen / doxylamine / phenylephrine: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.
Stop using this medicine and call your doctor at once if you have:
chest pain, rapid pulse, fast or uneven heart rate;
confusion, hallucinations, severe nervousness, tremor, seizure (convulsions);
easy bruising or bleeding, unusual weakness;
little or no urinating;
nausea, pain in your upper stomach, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of your skin or eyes); or
dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, chest pain, shortness of breath, uneven heartbeats, seizure).
Common side effects may include:
mild headache, blurred vision;
dry mouth, nose, or throat;
feeling restless or excited (especially in children); or
sleep problems (insomnia).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
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