Here's a list of Side effect. I've highlighted Matt's symptoms. I'm thinking he just needs a lower dose.
What side effects may occur?
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Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue using nicotine patches.
Most common side effects may include:
Dizziness, high blood pressure, itching and burning at the application site, nausea, redness of the skin
Less common side effects may include:
Abnormal dreaming, allergic reactions, back pain, chest pain, constipation, cough, diarrhea, drowsiness, dry mouth, headache, impaired concentration, indigestion, inflammation of sinuses, menstrual irregularities, numbness, pain, pins and needles sensation, rash, sleeplessness, sore throat, stomach pain, sweating, taste changes, tingling, vomiting, weakness