Chantix Tablets in Pakistan – Uses, Price, Dosage & Benefits (Varenicline) Chantix Tablets (generic name: Varenicline) are a prescription medication used to help people quit smoking. It works by targeting nicotine receptors in the brain to reduce cravings and withdrawal symptoms. Originally developed by Pfizer, Chantix is widely recognized as one of the most effective treatments for smoking cessation when combined with behavioral support. In Pakistan, Chantix or its generic versions may be available through pharmacies with a doctor’s prescription. Key Benefits: Helps reduce nicotine cravings Decreases withdrawal symptoms (irritability, anxiety) Blocks the pleasurable effects of smoking