Brand names: Habitrol, NicoDerm CQ, Nicotrol
What are nicotine patches?
Nicotine patches are a form of nicotine replacement therapy that provide a steady dose of nicotine to help people quit smoking. The patch is usually worn for 16 to 24 hours and then removed.
Nicotine patches are available over the counter and by prescription. They are typically used for 8 to 10 weeks, although some people may need to use them for longer periods of time.

Health Benefits
Nicotine patches are an effective way to help people quit smoking. They can help reduce withdrawal symptoms and cravings for cigarettes. Nicotine patches have also been shown to improve lung function and decrease the risk of heart disease.
Side Effects
Nicotine patches can cause side effects, including skin irritation, headaches, and dizziness. Some people may also experience vivid dreams or sleep problems.
If you experience any serious side effects, stop using the patch and call your doctor.
Dosages
Nicotine patches are available in a variety of dosages, including 21 mg, 14 mg, and 7 mg. The dosage that is right for you will depend on how much you smoke and your level of dependence on nicotine.
If you are a heavy smoker (more than 20 cigarettes per day), you should start with the 21 mg patch. If you are a light smoker (10 or fewer cigarettes per day), you should start with the 14 mg patch. If you are a very light smoker (5 or fewer cigarettes per day), you should start with the 7 mg patch.
Mechanism of Action
Nicotine patches work by delivering nicotine through the skin and into the bloodstream. Nicotine is a stimulant that can help reduce withdrawal symptoms and cravings for cigarettes.
Pharmacokinetics
The nicotine in nicotine patches is absorbed through the skin and enters the bloodstream. peak levels of nicotine are reached within 2 to 3 hours after the patch is applied. The half-life of nicotine is about 2 hours.
Alternatives to Nicotine Patches
There are a number of other nicotine replacement therapies that are available, including gum, lozenges, and inhalers. These products can be used alone or in combination with nicotine patches. Talk to your doctor about which product is right for you.
Chemistry
Nicotine is a naturally occurring alkaloid that is found in the tobacco plant. It is a stimulant that can have both positive and negative effects on the body.
Nicotine’s chemical structure consists of a pyridine ring attached to an imidazole ring. The pyridine ring is made up of carbon and nitrogen atoms, while the imidazole ring contains nitrogen and hydrogen atoms.
Are lozenges more effective than patches?
There is no definitive answer to this question. Some people may find that lozenges are more effective than patches, while others may find the opposite to be true. It is important to try different products and see what works best for you.
What happens if you smoke with a patch on?
If you smoke while wearing a nicotine patch, you may experience side effects such as nausea, vomiting, and dizziness. You may also absorb more nicotine than intended, which could be dangerous. If you must smoke, remove the patch first and wait at least 15 minutes 9smoking.
Research
Nicotine patches are a safe and effective way to help people quit smoking. Studies have shown that nicotine patches can increase the success rate of quitting by 50%.
If you are thinking about quitting smoking, talk to your doctor about whether or not nicotine patches are right for you.
Overdosage
If you accidentally swallow a nicotine patch, call poison control immediately. Symptoms of nicotine overdose include nausea, vomiting, sweating, increased heart rate, and seizures.
Nicotine patches are a safe and effective way to help people quit smoking. However, like all medications, they can cause side effects. If you experience any serious side effects, stop using the patch and call your doctor.