Crizalk capsules uses [ALK positive / ROS1 positive] lung cancer / NSCLC   Crizotinib capsules India brand Crizalk   Crizalk targeted therapy / TKI / ALK inhibitor / ROS1 inhibitor   How to take Crizalk capsules (twice daily, food?) Crizalk side effects (vision disturbances/flashes/blur, nausea, diarrhea, edema/swelling, fatigue, neuropathy)   Manage Crizalk vision problems / GI issues / swelling Crizalk liver toxicity warning / LFT blood tests needed (CRITICAL) Crizalk lung problems / pneumonitis symptoms (CRITICAL) Crizalk heart rhythm QT risk / monitoring Crizalk price India / cost per month Crizotinib generic cost India Crizalk patient assistance program India / PAP Crizotinib (Important) Buy Crizalk prescription India oncology pharmacy Crizalk reviews India ALK / ROS1 lung cancer Crizalk vs Xalkori / Alectinib / Brigatinib / Lorlatinib / Entrectinib comparison Crizalk manufacturer India (Natco? Cipla? Dr Reddy's?) What type of lung cancer is Crizalk used for? (ALK+ or ROS1+ metastatic NSCLC) How does Crizalk (Crizotinib) work? Is it a targeted therapy drug? (Yes) Why did I need the ALK/ROS1 test before starting Crizalk? Who makes the Crizalk brand in India? How many Crizalk capsules do I take and how often? (Usually one, twice daily) Should I take Crizalk with or without food? What should I do if I miss a dose? How long is Crizalk treatment usually continued? What are the most common side effects of Crizalk? Are vision problems (like flashes or blurriness) common with Crizalk? How are they managed? (Key side effect) Does Crizalk cause nausea, diarrhea, or swelling? How can I cope with these? (Common issues) What are the risks to my liver? How often will I need liver blood tests (LFTs)? (Essential monitoring!) What symptoms of lung problems (pneumonitis) should I watch out for? (Serious risk!) Can Crizalk affect my heart rhythm? How will my oncologist help manage the side effects? How quickly might Crizalk start working against the cancer? How will my doctor monitor if Crizalk is effective? (Scans, symptom review) What is the price of Crizalk capsules in India / Nagpur? Is it very costly? (Likely yes) Are there patient assistance programs (PAPs) in India to help afford Crizalk/Crizotinib? How do I apply? (Very important query) Do I need a prescription from an oncologist? (Yes) Is Crizalk the same as Xalkori? Are there other Crizotinib generics in India? How does Crizalk compare to newer targeted therapies for ALK+ or ROS1+ lung cancer (like Alectinib, Lorlatinib, Entrectinib)? What are other patients' experiences with Crizalk in India (reviews)?