The side effects caused by Tylenol with Codeine vary from user to user, with some people not being affected at all. Common side effects might include constipation, nausea, vomiting, dizziness, lightheadedness, changes to vision, mood changes and drowsiness.

Irregularity

One of the more common side effects of Tylenol with Codeine is constipation. Users, especially those who take the drug regularly, should increase the fiber in their diet or take a fiber substitute to aid in regularity.

Liver Damage

Acetaminophen, found in Tylenol and most headache relievers, can cause serious liver damage if the maximum daily amount is exceeded. The daily maximum dose of acetaminophen for adults is 4000 mg, and drinking alcohol with the medication can increase the chances of liver problems. Liver damage symptoms may include stomach pain, dark urine, fatigue and nausea.

Serious Side Effects

Tylenol with Codeine may cause serious side effects in some people, such as severe drowsiness, confusion and difficulty urinating. If any of these side effects occur, the user should seek immediate medical attention.

Pre-Existing Conditions

Those with pre-existing medical conditions may experience more severe side effects. Therefore, Tylenol with Codeine should not be taken without consultation by those with chronic breathing problems, severe diarrhea, kidney disease, drug or alcohol dependence, heart, stomach or lung problems, or other serious illnesses.

Other Possible Effects

Other possible side effects from taking Tylenol with Codeine include: low blood pressure, anxiety or fear, a slow heart rate, and signs of allergic reactions, such as rashes, itching, swelling of the mouth or throat, hives, and wheezing.

Source:

Medicinenet.com

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